NCP302HSN39T1 [ONSEMI]
IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, SC-59, TSOT-23, TSOP-5, Power Management Circuit;
| 型号： | NCP302HSN39T1 |
| 厂家： | 
ONSEMI |
| 描述： | IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, SC-59, TSOT-23, TSOP-5, Power Management Circuit 光电二极管 |
| 文件： | 总20页 (文件大小：149K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NCP302, NCP303
Voltage Detector Series
with Programmable Delay
The NCP302 and NCP303 series are second generation ultra–low
current voltage detectors that contain a programmable time delay
generator. These devices are specifically designed for use as reset
controllers in portable microprocessor based systems where extended
battery life is paramount.
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Each series features a highly accurate under voltage detector with
hysteresis and an externally programmable time delay generator. This
combination of features prevents erratic system reset operation.
The NCP302 series consists of complementary output devices that
are available with either an active high or active low reset. The
NCP303 series has an open drain N–channel output with an active low
reset output.
5
1
TSOP–5
SN SUFFIX
CASE 483
The NCP302 and NCP303 device series are available in the
TSOP–5 package with seven standard under voltage thresholds.
Additional thresholds that range from 0.9 V to 4.9 V in 100 mV steps
can be manufactured.
PIN CONNECTIONS AND
MARKING DIAGRAM
Reset
Output
1
2
3
5
C
D
Features
• Quiescent Current of 0.5 µA Typical
• High Accuracy Under Voltage Threshold of 2.0%
• Externally Programmable Time Delay Generator
• Wide Operating Voltage Range of 0.8 V to 10 V
• Complementary or Open Drain Output
• Active Low or Active High Reset
Input
4
N.C.
Ground
xxx = 302 or 303
Y
= Year
W
= Work Week
(Top View)
Typical Applications
• Microprocessor Reset Controller
• Low Battery Detection
• Power Fail Indicator
ORDERING INFORMATION
See detailed ordering and shipping information in the ordering
information section on page 2 of this data sheet.
• Battery Backup Detection
Representative Block Diagrams
NCP303LSNxxT1
NCP302xSNxxT1
Open Drain Output Configuration
Complementary Output Configuration
2
Input
1
Reset Output
2
Input
R
D
R
D
1
Reset
Output
*
V
ref
V
ref
3
Gnd
5
C
D
3
Gnd
5
C
D
* Inverter for active low devices.
* Buffer for active high devices.
This device contains 28 active transistors.
Semiconductor Components Industries, LLC, 2000
1
Publication Order Number:
July, 2000 – Rev. 3
NCP302/D
NCP302, NCP303
ORDERING INFORMATION
Threshold Output
Package
Voltage
Type
(Qty/Reel)
Device
Reset
Marking
NCP302LSN09T1
NCP302LSN18T1
NCP302LSN20T1
NCP302LSN27T1
NCP302LSN30T1
NCP302LSN45T1
NCP302LSN47T1
0.9
1.8
2.0
2.7
3.0
4.5
4.7
SBOYW
SBFYW
SBDYW
SAWYW
SATYW
SALYW
SACYW
Active
Low
CMOS
NCP302HSN09T1
NCP302HSN18T1
NCP302HSN20T1
NCP302HSN27T1
NCP302HSN30T1
NCP302HSN45T1
NCP302HSN47T1
0.9
1.8
2.0
2.7
3.0
4.5
4.7
SDOYW
SFHYW
SFGYW
SDKYW
SDIYW
3000 Units
on 7 inch
Reel
Active
High
SDGYW
SDFYW
NCP303LSN09T1
NCP303LSN18T1
NCP303LSN20T1
NCP303LSN27T1
NCP303LSN30T1
NCP303LSN45T1
NCP303LSN47T1
0.9
1.8
2.0
2.7
3.0
4.5
4.7
SDEYW
SCVYW
SCTYW
SCMYW
SCJYW
SBTYW
SBRYW
Open
Drain
Active
Low
NOTE: The ordering information lists seven standard under voltage thresholds with active low outputs.
Additional active low threshold devices, ranging from 0.9 V to 4.9 V in 100 mV increments and
NCP302 active high output devices, ranging from 0.9 V to 4.9 V in 100 mV increments can be
manufactured. Contact your ON Semiconductor representative for availability. The electrical
characteristics of these additional devices are shown in Tables 1 and 2.
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Input Power Supply Voltage (Pin 2)
V
12
V
V
in
Output Voltage (Pin 1)
V
OUT
Complementary, NCP302
N–Channel Open Drain, NCP303
–0.3 to V +0.3
–0.3 to 12
in
Output Current (Pin 1, Note 2)
I
70
mA
°C/W
°C
OUT
Thermal Resistance Junction to Air
Operating Junction Temperature Range
Storage Temperature Range
R
250
q
JA
J
T
–40 to +125
–55 to +150
T
°C
stg
NOTES:
1. This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL–STD–883, Method 3015.
Machine Model Method 200 V.
2. The maximum package power dissipation limit must not be exceeded.
T
* T
J(max)
A
P
+
D
R
qJA
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2
NCP302, NCP303
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3 – 0.9
Detector Threshold (Pin 2, V Decreasing)
V
0.882
0.027
0.900
0.045
0.918
0.063
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
HYS
in
Supply Current (Pin 2)
I
in
µA
(V = 0.8 V)
(V = 2.9 V)
in
–
–
0.20
0.45
0.6
1.2
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
0.05
0.05
0.50
–
–
in
= 0.50V, V = 0.85V)
in
Pch Source Current, NCP302
(V = 2.4V, V = 4.5V)
1.0
2.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
0.50
0.67
0.84
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
10
120
300
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3 – 1.8
Detector Threshold (Pin 2, V Decreasing)
V
1.764
0.054
1.80
1.836
0.126
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
0.090
in
HYS
Supply Current (Pin 2)
I
in
µA
(V = 1.7 V)
(V = 3.8 V)
in
–
–
0.23
0.48
0.7
1.3
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
1.0
0.05
2.0
–
–
in
= 0.50V, V = 1.5V)
in
Pch Source Current, NCP302
(V = 2.4V, V = 4.5V)
1.0
2.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
0.99
1.34
1.68
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
200
120
1600
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
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3
NCP302, NCP303
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3 – 2.0
Detector Threshold (Pin 2, V Decreasing)
V
1.960
0.06
2.00
0.10
2.040
0.14
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
HYS
in
Supply Current (Pin 2)
I
in
µA
(V = 1.9 V)
(V = 4.0 V)
in
–
–
0.23
0.48
0.8
1.3
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
1.0
0.05
2.0
–
–
in
= 0.50V, V = 1.5V)
in
Pch Source Current, NCP302
(V = 2.4V, V = 4.5V)
1.0
2.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
1.10
1.49
1.87
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
200
120
1600
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3– 2.7
Detector Threshold (Pin 2, V Decreasing)
V
2.646
0.081
2.700
0.135
2.754
0.189
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
HYS
in
Supply Current (Pin 2)
I
in
µA
(V = 2.6 V)
(V = 4.7 V)
in
–
–
0.26
0.46
0.8
1.3
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
1.0
0.05
2.0
–
–
in
= 0.50V, V = 1.5V)
in
Pch Source Current, NCP302
(V = 2.4V, V = 4.5V)
1.0
2.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
1.49
2.01
2.53
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
200
120
1600
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
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4
NCP302, NCP303
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3 – 3.0
Detector Threshold (Pin 2, V Decreasing)
V
2.94
0.09
3.00
0.15
3.06
0.21
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
HYS
in
Supply Current (Pin 2)
I
in
µA
(V = 2.87 V)
(V = 5.0 V)
in
–
–
0.27
0.47
0.9
1.3
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
1.0
0.05
2.0
–
–
in
= 0.50V, V = 1.5V)
in
Pch Source Current, NCP302
(V = 2.4V, V = 4.5V)
1.0
2.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
1.65
2.23
2.81
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
200
120
1600
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3 – 4.5
Detector Threshold (Pin 2, V Decreasing)
V
4.410
0.135
4.500
0.225
4.590
0.315
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
HYS
in
Supply Current (Pin 2)
I
in
µA
(V = 4.34 V)
(V = 6.5 V)
in
–
–
0.33
0.52
1.0
1.4
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
1.0
0.05
2.0
–
–
in
= 0.50V, V = 1.5V)
in
Pch Source Current, NCP302
(V = 5.9V, V = 8.0V)
1.5
3.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
2.25
3.04
3.83
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
200
120
1600
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
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5
NCP302, NCP303
ELECTRICAL CHARACTERISTICS (For all values T = 25°C, unless otherwise noted.)
A
Characteristic
Symbol
Min
Typ
Max
Unit
NCP302/3 – 4.7
Detector Threshold (Pin 2, V Decreasing)
V
4.606
0.141
4.70
4.794
0.329
V
V
in
DET–
Detector Threshold Hysteresis (Pin 2, V Increasing)
V
0.235
in
HYS
Supply Current (Pin 2)
I
in
µA
(V = 4.54 V)
(V = 6.7 V)
in
–
–
0.34
0.53
1.0
1.4
in
Maximum Operating Voltage (Pin 2)
Minimum Operating Voltage (Pin 2)
V
–
–
10
V
V
in(max)
V
–
–
0.55
0.65
0.70
0.80
in(min)
(T = –40°C to 85°C)
A
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Nch Sink Current, NCP302, NCP303
I
mA
OUT
(V
OUT
(V
OUT
= 0.05V, V = 0.70V)
0.01
1.0
0.05
2.0
–
–
in
= 0.50V, V = 1.5V)
in
Pch Source Current, NCP302
(V = 5.9V, V = 8.0V)
1.5
3.0
–
OUT
in
Delay Capacitor Pin Threshold Voltage (Pin 5)
V
TCD
2.59
3.49
4.40
V
Delay Capacitor Pin Sink Current (Pin 5)
I
µA
CD
(V = 0.7 V, V = 0.1V)
2.0
200
120
1600
–
–
in
CD
(V = 1.5 V, V = 0.5V)
in
CD
Delay Pullup Resistance (Pin 5)
R
0.5
1.0
2.0
MW
D
NCP302L
NCP303L
V
DET+
+ 2.0V
V
DET+
+ 2.0V
Input Voltage, Pin 2
0.7V
GND
0.7V
GND
V
+ 2.0V
5.0V
2.5V
GND
DET+
V
+ 2.0V
DET+
2
Reset Output
Voltage, Pin 1
GND
t
D1
t
D2
t
D1
t
D2
NCP302 and NCP303 series are measured with 10 pF capacitive load. NCP303 has an additional 470 k pullup resistor connected from the reset output to +5.0 V.
Reset output voltage waveforms are shown for the active low `L' devices. For active high `H' devices, the reset output voltage waveforms are inverted. Output
time delay t and t are dependent upon the delay capacitance. Refer to Figures 11, 12, and 13. The upper detector threshold, V is the sum of the lower
D1
D2
DET+
detector threshold, V
plus the input hysteresis, V
.
HYS
DET-
Figure 1. Measurement Conditions for tD1 and tD2
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6
NCP302, NCP303
Table 1. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 – 4.9 V
Pch
Source
Current
Supply Current
Nch Sink Current
Low High
Detector Threshold
Hysteresis
V
Low
V
in
High
V
in
V
in
NCP302 Series
Detector Threshold
in
I
I
I
I
I
in
in
OUT
(3)
OUT
(4)
OUT
(5)
(1)
(2)
(mA)
(mA)
Typ
0.5
(mA)
(mA)
(mA)
V
DET–
(V)
V
HYS
(V)
Part Number
Min
Typ
Max
Min
Typ
Max
Typ
0.3
Typ
Typ
Typ
NCP302(L/H)SN09T1 0.882
NCP302(L/H)SN10T1 0.980
NCP302(L/H)SN11T1 1.078
NCP302(L/H)SN12T1 1.176
NCP302(L/H)SN13T1 1.274
NCP302(L/H)SN14T1 1.372
NCP302(L/H)SN15T1 1.470
NCP302(L/H)SN16T1 1.568
NCP302(L/H)SN17T1 1.666
NCP302(L/H)SN18T1 1.764
NCP302(L/H)SN19T1 1.862
NCP302(L/H)SN20T1 1.960
NCP302(L/H)SN21T1 2.058
NCP302(L/H)SN22T1 2.156
NCP302(L/H)SN23T1 2.254
NCP302(L/H)SN24T1 2.352
NCP302(L/H)SN25T1 2.450
NCP302(L/H)SN26T1 2.548
NCP302(L/H)SN27T1 2.646
NCP302(L/H)SN28T1 2.744
NCP302(L/H)SN29T1 2.842
NCP302(L/H)SN30T1 2.940
NCP302(L/H)SN31T1 3.038
NCP302(L/H)SN32T1 3.136
NCP302(L/H)SN33T1 3.234
NCP302(L/H)SN34T1 3.332
NCP302(L/H)SN35T1 3.430
NCP302(L/H)SN36T1 3.528
NCP302(L/H)SN37T1 3.626
NCP302(L/H)SN38T1 3.724
NCP302(L/H)SN39T1 3.822
NCP302(L/H)SN40T1 3.920
NCP302(L/H)SN41T1 4.018
NCP302(L/H)SN42T1 4.116
NCP302(L/H)SN43T1 4.214
NCP302(L/H)SN44T1 4.312
NCP302(L/H)SN45T1 4.410
NCP302(L/H)SN46T1 4.508
NCP302(L/H)SN47T1 4.606
NCP302(L/H)SN48T1 4.704
NCP302(L/H)SN49T1 4.802
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
0.918 0.027 0.045 0.063
1.020 0.030 0.050 0.070
1.122 0.033 0.055 0.077
1.224 0.036 0.060 0.084
1.326 0.039 0.065 0.091
1.428 0.042 0.070 0.098
1.530 0.045 0.075 0.105
1.632 0.048 0.080 0.112
1.734 0.051 0.085 0.119
1.836 0.054 0.090 0.126
1.938 0.057 0.095 0.133
2.040 0.060 0.100 0.140
2.142 0.063 0.105 0.147
2.244 0.066 0.110 0.154
2.346 0.069 0.115 0.161
2.448 0.072 0.120 0.168
2.550 0.075 0.125 0.175
2.652 0.078 0.130 0.182
2.754 0.081 0.135 0.189
2.856 0.084 0.140 0.196
2.958 0.087 0.145 0.203
3.060 0.090 0.150 0.210
3.162 0.093 0.155 0.217
3.264 0.096 0.160 0.224
3.366 0.099 0.165 0.231
3.468 0.102 0.170 0.238
3.570 0.105 0.175 0.245
3.672 0.108 0.180 0.252
3.774 0.111 0.185 0.259
3.876 0.114 0.190 0.266
3.978 0.117 0.195 0.273
4.080 0.120 0.200 0.280
4.182 0.123 0.205 0.287
4.284 0.126 0.210 0.294
4.386 0.129 0.215 0.301
4.488 0.132 0.220 0.308
4.590 0.135 0.225 0.315
4.692 0.138 0.230 0.322
4.794 0.141 0.235 0.329
4.896 0.144 0.240 0.336
4.998 0.147 0.245 0.343
0.05
0.5
2.0
1.0
2.0
0.4
0.6
3.0
(1) Condition 1: 0.9 — 2.9 V, V = V
– 0.10 V; 3.0 — 3.9 V, V = V
– 0.13 V; 4.0 — 4.9 V, V = V
– 0.16 V
in
DET–
in
DET–
in
DET–
(2) Condition 2: 0.9 — 4.9 V, V = V
+ 2.0 V
in
DET–
(3) Condition 3: 0.9 — 4.9 V, V = 0.7 V, V
= 0.05 V, Active Low ‘L’ Suffix Devices
in
OUT
(4) Condition 4: 0.9 — 1.0 V, V = 0.85 V, V
= 0.5 V; 1.1 — 1.5 V, V = 1.0 V, V
= 0.5 V; 1.6 — 4.9 V, V = 1.5 V, V = 0.5 V,
OUT
in
OUT
in
OUT
in
Condition 4: Active Low ‘L’ Suffix Devices
(5) Condition 5: 0.9 — 3.9 V, V = 4.5 V, V
= 2.4 V; 4.0 — 4.9 V, V = 8.0 V, V
= 5.9 V
in
OUT
in
OUT
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7
NCP302, NCP303
Table 2. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 – 4.9 V
Supply Current
Nch Sink Current
Low High
Detector Threshold
Hysteresis
V
Low
V
in
High
V
in
V
in
NCP303 Series
Detector Threshold
in
I
I
I
I
in
in
OUT
(3)
OUT
(4)
(1)
(2)
(mA)
(mA)
Typ
0.5
(mA)
(mA)
V
DET–
(V)
V
HYS
(V)
Part Number
Min
Typ
Max
Min
Typ
Max
Typ
0.3
Typ
Typ
NCP303LSN09T1
NCP303LSN10T1
NCP303LSN11T1
NCP303LSN12T1
NCP303LSN13T1
NCP303LSN14T1
NCP303LSN15T1
NCP303LSN16T1
NCP303LSN17T1
NCP303LSN18T1
NCP303LSN19T1
NCP303LSN20T1
NCP303LSN21T1
NCP303LSN22T1
NCP303LSN23T1
NCP303LSN24T1
NCP303LSN25T1
NCP303LSN26T1
NCP303LSN27T1
NCP303LSN28T1
NCP303LSN29T1
NCP303LSN30T1
NCP303LSN31T1
NCP303LSN32T1
NCP303LSN33T1
NCP303LSN34T1
NCP303LSN35T1
NCP303LSN36T1
NCP303LSN37T1
NCP303LSN38T1
NCP303LSN39T1
NCP303LSN40T1
NCP303LSN41T1
NCP303LSN42T1
NCP303LSN43T1
NCP303LSN44T1
NCP303LSN45T1
NCP303LSN46T1
NCP303LSN47T1
NCP303LSN48T1
NCP303LSN49T1
0.882
0.980
1.078
1.176
1.274
1.372
1.470
1.568
1.666
1.764
1.862
1.960
2.058
2.156
2.254
2.352
2.450
2.548
2.646
2.744
2.842
2.940
3.038
3.136
3.234
3.332
3.430
3.528
3.626
3.724
3.822
3.920
4.018
4.116
4.214
4.312
4.410
4.508
4.606
4.704
4.802
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
0.918
1.020
1.122
1.224
1.326
1.428
1.530
1.632
1.734
1.836
1.938
2.040
2.142
2.244
2.346
2.448
2.550
2.652
2.754
2.856
2.958
3.060
3.162
3.264
3.366
3.468
3.570
3.672
3.774
3.876
3.978
4.080
4.182
4.284
4.386
4.488
4.590
4.692
4.794
4.896
4.998
0.027
0.030
0.033
0.036
0.039
0.042
0.045
0.048
0.051
0.054
0.057
0.060
0.063
0.066
0.069
0.072
0.075
0.078
0.081
0.084
0.087
0.090
0.093
0.096
0.099
0.102
0.105
0.108
0.111
0.114
0.117
0.120
0.123
0.126
0.129
0.132
0.135
0.138
0.141
0.144
0.147
0.045
0.050
0.055
0.060
0.065
0.070
0.075
0.080
0.085
0.090
0.095
0.100
0.105
0.110
0.115
0.120
0.125
0.130
0.135
0.140
0.145
0.150
0.155
0.160
0.165
0.170
0.175
0.180
0.185
0.190
0.195
0.200
0.205
0.210
0.215
0.220
0.225
0.230
0.235
0.240
0.245
0.063
0.070
0.077
0.084
0.091
0.098
0.105
0.112
0.119
0.126
0.133
0.140
0.147
0.154
0.161
0.168
0.175
0.182
0.189
0.196
0.203
0.210
0.217
0.224
0.231
0.238
0.245
0.252
0.259
0.266
0.273
0.280
0.287
0.294
0.301
0.308
0.315
0.322
0.329
0.336
0.343
0.05
0.5
1.0
2.0
0.4
0.6
(1) Condition 1: 0.9 — 2.9 V, V = V
– 0.10 V; 3.0 — 3.9 V, V = V
– 0.13 V; 4.0 — 4.9 V, V = V – 0.16 V
DET–
in
DET–
in
DET–
in
(2) Condition 2: 0.9 — 4.9 V, V = V
+ 2.0 V
in
DET–
(3) Condition 3: 0.9 — 4.9 V, V = 0.7 V, V
= 0.05 V, Active Low ‘L’ Suffix Devices
in
OUT
(4) Condition 4: 0.9 — 1.0 V, V = 0.85 V, V
= 0.5 V; 1.1 — 1.5 V, V = 1.0 V, V
= 0.5 V; 1.6 — 4.9 V, V = 1.5 V, V = 0.5 V,
OUT
in
OUT
in
OUT
in
Condition 4: Active Low ‘L’ Suffix Devices
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8
NCP302, NCP303
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.65
2.60
0.98
0.96
0.94
0.92
0.90
V
DET+
V
DET+
V
DET-
V
DET-
0.88
0.86
-50
0
75
-50
0
75
-25
25
50
100
-25
25
50
100
T , AMBIENT TEMPERATURE (°C)
A
T , AMBIENT TEMPERATURE (°C)
A
Figure 2. NCP302/3 Series 0.9 V
Detector Threshold Voltage versus Temperature
Figure 3. NCP302/3 Series 2.7 V
Detector Threshold Voltage versus Temperature
4.9
4.8
4.7
4.6
4.5
0.9
0.8
0.7
0.6
0.5
V
DET+
V
DET-
4.4
4.3
0.4
0.3
-50
0
75
-25
25
50
100
-50
0
75
-25
25
50
100
T , AMBIENT TEMPERATURE (°C)
A
T , AMBIENT TEMPERATURE (°C)
A
Figure 4. NCP302/3 Series 4.5 V
Detector Threshold Voltage versus Temperature
Figure 5. NCP302/3 Series 0.9 V
CD Pin Threshold Voltage versus Temperature
2.3
2.2
2.1
2.0
3.8
3.7
3.6
3.5
3.4
1.9
1.8
3.3
3.2
-50
0
75
-25
25
50
100
-50
0
75
-25
25
50
100
T , AMBIENT TEMPERATURE (°C)
A
T , AMBIENT TEMPERATURE (°C)
A
Figure 6. NCP302/3 Series 2.7 V
CD Pin Threshold Voltage versus Temperature
Figure 7. NCP302/3 Series 4.5 V
CD Pin Threshold Voltage versus Temperature
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9
NCP302, NCP303
0.6
0.5
0.4
0.3
0.2
0.1
0
8.0
V
= 2.5V
T = 25°C
A
in
T = 25°C
A
V
in
= 0.85V
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
V
in
= 2.0V
V
in
= 0.7V
V
in
= 1.5V
0
0.4
, VOLTAGE (V)
1.0
0
1.0
2.5
0.2
0.6
0.8
0.5
1.5
V , VOLTAGE (V)
CD
2.0
V
CD
Figure 8. NCP302/3 Series 0.9 V
Figure 9. NCP302/3 Series 2.7 V
CD Pin Sink Current versus CD Pin Voltage
CD Pin Sink Current versus CD Pin Voltage
10000
18
16
T = 25°C
A
T = 25°C
A
V = 4.0V
in
1000
100
10
14
t
(ms)
D1
V
= 3.5V
12
in
10
V
= 3.0V
in
8.0
6.0
t
D2
(ms)
V
in
= 2.5V
4.0
2.0
0
1.0
0.1
0.0001
0.01
1.0
0.001
0.1
0
1.0
2.5
0.5
1.5
2.0
3.0
3.5
4.0
C , DELAY CAPACITANCE ( µF)
D
V
CD
, C PIN VOLTAGE (V)
D
Figure 10. NCP302/3 Series 4.5 V
Figure 11. NCP302/3 Series 0.9 V
CD Pin Sink Current versus CD Pin Voltage
Output Time Delay versus Delay Capacitance
10000
10000
T = 25°C
A
T = 25°C
A
1000
100
10
1000
100
10
t
(ms)
D1
t
D1
(ms)
t
D2
(ms)
t
D2
(ms)
1.0
0.1
1.0
0.1
0.0001
0.01
1.0
0.0001
0.01
1.0
0.001
0.1
0.001
0.1
C , DELAY CAPACITANCE ( µF)
D
C , DELAY CAPACITANCE ( µF)
D
Figure 12. NCP302/3 Series 2.7 V
Figure 13. NCP302/3 Series 4.5 V
Output Time Delay versus Delay Capacitance
Output Time Delay versus Delay Capacitance
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10
NCP302, NCP303
1.0
0.8
0.6
0.4
3.0
2.5
2.0
1.5
1.0
0.5
0
T = -30°C
A
T = 25°C
A
T = -30°C
0.2
0
A
T = 85°C
A
T = 25°C
A
T = 85°C
A
0
0.4
V , INPUT VOLTAGE (V)
0.8
1.0
0
0.2
0.6
0.5
1.5
2.5
3.0
1.0
2.0
V , INPUT VOLTAGE (V)
in
in
Figure 14. NCP302L/3L Series 0.9 V
Output Voltage versus Input Voltage
Figure 15. NCP302L/3L Series 2.7 V
Output Voltage versus Input Voltage
7.0
6.0
5.0
4.0
3.0
2.0
1.2
1.0
0.8
0.6
0.4
T = 25°C
A
V
= 0.85V
in
V
= 0.7V
in
T = -30°C
A
T = 25°C
T = 85°C
A
A
0.2
0
1.0
0
0
2.0
4.0
5.0
6.0
1.0
3.0
0
0.4
, OUTPUT VOLTAGE (V)
1.0
0.2
0.6
0.8
V , INPUT VOLTAGE (V)
in
V
OUT
Figure 16. NCP302L/3L Series 4.5 V
Output Voltage versus Input Voltage
Figure 17. NCP302L/3L Series 0.9 V
Reset Output Sink Current versus Output Voltage
16
14
35
30
25
20
15
10
5.0
0
T = 25°C
A
T = 25°C
A
V
= 4.0V
in
V
V
= 2.5V
= 2.0V
in
12
V
= 3.5V
= 3.0V
in
10
V
in
in
8.0
6.0
4.0
V
= 2.5V
in
V
= 2.0V
in
V
in
= 1.5V
V
in
= 1.5V
2.0
0
0
1.0
2.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.5
1.5
2.0
V , OUTPUT VOLTAGE (V)
OUT
V , OUTPUT VOLTAGE (V)
OUT
Figure 18. NCP302L/3L Series 2.7 V
Reset Output Sink Current versus Output Voltage
Figure 19. NCP302L/3L Series 4.5 V
Reset Output Sink Current versus Output Voltage
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11
NCP302, NCP303
2.5
2.0
1.5
1.0
6.0
T = 25°C
A
T = 25°C
A
2.5
2.0
1.5
1.0
0.5
0
0.5
0
0
4.0
V , INPUT VOLTAGE (V)
8.0
10
2.0
6.0
0
4.0
6.0
10
2.0
8.0
V , INPUT VOLTAGE (V)
in
in
Figure 20. NCP302/3 Series 0.9 V
Input Current versus Input Voltage
Figure 21. NCP302/3 Series 2.7 V
Input Current versus Input Voltage
18
250
200
150
100
T = 25°C
A
C
D
= 0.1 mF
2.5
2.0
1.5
1.0
0.5
0
50
0
-50
0
75
-25
25
50
100
0
4.0
6.0
2.0
8.0
10
V , INPUT VOLTAGE (V)
in
T , AMBIENT TEMPERATURE (°C)
A
Figure 22. NCP302/3 Series 4.5 V
Input Current versus Input Voltage
Figure 23. NCP302/3 Series 0.9 V
Time Delay versus Temperature
350
300
250
200
150
100
250
C
D
= 0.1 mF
C
D
= 0.1 mF
200
150
100
50
0
50
0
-50
0
75
-25
25
50
100
-50
0
75
-25
25
50
100
T , AMBIENT TEMPERATURE (°C)
A
T , AMBIENT TEMPERATURE (°C)
A
Figure 24. NCP302/3 Series 2.7 V
Time Delay versus Temperature
Figure 25. NCP302/3 Series 4.5 V
Time Delay versus Temperature
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12
NCP302, NCP303
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
T = -30°C
A
T = 25°C
A
T = 85°C
A
T = 85°C
A
T = 25°C
A
T = -30°C
A
0
0.4
1.0
0
0.5
1.0
1.5
2.0
2.5
3.0
0.2
0.6
0.8
V , INPUT VOLTAGE (V)
in
V , INPUT VOLTAGE (V)
in
Figure 26. NCP302L/3L Series 0.9 V
Figure 27. NCP302L/3L Series 2.7 V
Reset Output Sink Current versus Input Voltage
Reset Output Sink Current versus Input Voltage
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
12
10
T = -30°C
8.0
6.0
4.0
2.0
0
A
T = 25°C
A
T = 85°C
A
T = 85°C
A
T = 25°C
A
T = -30°C
A
0
2.0
5.0
0
0.4
V , INPUT VOLTAGE (V)
1.0
1.0
3.0
4.0
0.2
0.6
0.8
V , INPUT VOLTAGE (V)
in
in
Figure 28. NCP302L/3L Series 4.5 V
Figure 29. NCP302/3 Series 0.9 V
Reset Output Sink Current versus Input Voltage
CD Pin Sink Current versus Input Voltage
5.0
6.0
5.0
4.0
3.0
2.0
1.0
0
4.0
3.0
2.0
1.0
0
T = -30°C
A
T = 25°C
A
T = -30°C
A
T = 85°C
A
T = 25°C
A
T = 85°C
A
0
1.0
V , INPUT VOLTAGE (V)
2.5
0.5
1.5
2.0
3.0
0
2.0
V , INPUT VOLTAGE (V)
5.0
1.0
3.0
4.0
in
in
Figure 30. NCP302/3 Series 2.7 V
Figure 31. NCP302/3 Series 4.5 V
CD Pin Sink Current versus Input Voltage
CD Pin Sink Current versus Input Voltage
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13
NCP302, NCP303
12
10
12
V
OUT
= V -2.1 V
in
V
OUT
= V -2.1 V
in
T = 25°C
A
T = 25°C
A
10
8.0
6.0
V
-1.5 V
V
V
V
-1.5 V
-1.0 V
-0.5 V
in
in
in
8.0
6.0
4.0
V
-1.0 V
-0.5 V
in
4.0
V
in
in
2.0
0
2.0
0
0
8.0
0
4.0
V , INPUT VOLTAGE (V)
8.0
2.0
4.0
6.0
10
2.0
6.0
10
V , INPUT VOLTAGE (V)
in
in
Figure 32. NCP302L Series 0.9 V
Reset Output Source Current versus Input Voltage
Figure 33. NCP302L Series 2.7 V
Reset Output Source Current versus Input Voltage
12
10
1.8
V
OUT
= V -2.1 V
in
T = 25°C
A
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
-1.5 V
-1.0 V
in
in
8.0
6.0
V
4.0
V
in
-0.5 V
2.0
0
0
4.0
V , INPUT VOLTAGE (V)
8.0
2.0
6.0
10
-50
0
75
-25
25
50
100
T , AMBIENT TEMPERATURE (°C)
in
A
Figure 34. NCP302L Series 4.5 V
Reset Output Source Current versus Input Voltage
Figure 35. NCP302/3 Series
Delay Resistance versus Temperature
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14
NCP302, NCP303
OPERATING DESCRIPTION
V will again return to its nominal level and become greater
in
than the V
. The voltage detector will turn off the
DET+
The NCP302 and NCP303 series devices consist of a
precision voltage detector that drives a time delay generator.
Figures 36 and 37 show a timing diagram and a typical
N–channel MOSFET and allow pullup resistor R to charge
external capacitor C , thus creating a programmable delay
for releasing the reset signal. When the voltage at Pin 5
exceeds the inverter/buffer threshold, typically 0.675*V ,
D
D
application. Initially consider that input voltage V is at a
in
in
nominal level and it is greater than the voltage detector upper
the reset output will revert back to its original state. The reset
output time delay versus capacitance is shown in Figures 11
through 13. The voltage detector and inverter/buffer have
built–in hysteresis to prevent erratic reset operation.
Although these device series are specifically designed for
use as reset controllers in portable microprocessor based
systems, they offer a cost–effective solution in numerous
applications where precise voltage monitoring and time
delay are required. Figures 37 through 39 show various
application examples.
threshold (V
). The voltage at Pin 5 and capacitor C
DET+
D
will be at the same level as V , and the reset output (Pin 1)
will be in the high state for active low devices, or in the low
state for active high devices. If there is a power interruption
in
and V becomes significantly deficient, it will fall below the
in
lower detector threshold (V
delay capacitor C will be immediately discharged by an
internal N–channel MOSFET that connects to Pin 5. This
sequence of events causes the Reset output to be in the low
state for active low devices, or in the high state for active
high devices. After completion of the power interruption,
) and the external time
DET–
D
V
in
Input Voltage, Pin 2
V
+
DET
V
DET–
V
in
0.675*V
Capacitor, Pin 5
in
V
in
Reset Output (Active Low), Pin 1
V
DET–
0 V
V
in
Reset Output (Active High), Pin 1
V
DET–
0 V
t
D2
Figure 36. Timing Waveforms
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15
NCP302, NCP303
APPLICATION CIRCUIT INFORMATION
V
DD
2
Input
*
V
DD
Microprocessor
5
1
NCP302
Series
Reset
C
D
Reset Output
C
D
Gnd
* Required for NCP303
3
Gnd
Figure 37. Microprocessor Reset Circuit (NCP302 and NCP303 Series)
2.85 V
2.70 V
V
in
< 2.7 ON
2
Input
5
1
NCP302
To Additional Circuitry
LSN27T1
C
D
Reset Output
V
in
> 2.835 ON
3
Gnd
Figure 38. Battery Charge Indicator (NCP302 Series)
V
supply
5.0 V
1.0 V
0 V
470 k
2
Input
5
1
NCP303
To Additional Circuitry
LSN45T1
C
D
Reset Output
0.001 mF
C
D
Missing Pulse
3
Gnd
Input
0 V
V
in
[0.675*V
in
C
D
Reset Output
t
D2
Figure 39. Missing Pulse Detector or Frequency Detector (NCP303L)
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16
NCP302, NCP303
PACKAGE DIMENSIONS
TSOP–5
SN SUFFIX
PLASTIC PACKAGE
CASE 483–01
ISSUE A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
D
2. CONTROLLING DIMENSION: MILLIMETER.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD
FINISH THICKNESS. MINIMUM LEAD THICKNESS
IS THE MINIMUM THICKNESS OF BASE
MATERIAL.
5
4
3
B
C
S
1
2
MILLIMETERS
DIM MIN MAX
INCHES
MIN MAX
L
G
A
B
C
D
G
H
J
2.90
1.30
0.90
0.25
0.85
0.013
0.10
0.20
1.25
0
3.10 0.1142 0.1220
1.70 0.0512 0.0669
1.10 0.0354 0.0433
0.50 0.0098 0.0197
1.00 0.0335 0.0413
0.100 0.0005 0.0040
0.26 0.0040 0.0102
0.60 0.0079 0.0236
1.55 0.0493 0.0610
A
J
0.05 (0.002)
K
L
H
M
K
M
S
10
0
3.00 0.0985 0.1181
10
_
_
_
_
2.50
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17
NCP302, NCP303
MINIMUM RECOMMENDED FOOTPRINT FOR SURFACE MOUNTED APPLICATIONS
Surface mount board layout is a critical portion of the
total design. The footprint for the semiconductor packages
must be the correct size to insure proper solder connection
interface between the board and the package. With the
correct pad geometry, the packages will self align when
subjected to a solder reflow process.
0.094
2.4
0.037
0.95
0.074
1.9
0.037
0.95
0.028
0.7
0.039
1.0
inches
mm
TSOP–5
(Footprint Compatible with SOT23–5)
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18
NCP302, NCP303
Notes
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19
NCP302, NCP303
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NCP302/D
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