TPS3802L30DCK [TI]
ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS; 超小型电源电压监控器型号: | TPS3802L30DCK |
厂家: | TEXAS INSTRUMENTS |
描述: | ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS |
文件: | 总11页 (文件大小:217K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
FEATURES
DESCRIPTION
•
•
•
Small, 5-Pin SC-70 (SOT-323) Package
The TPS380x family of supervisory circuits monitor
supply voltages to provide circuit initialization and
timing supervision, primarily for DSPs and other pro-
cessor-based systems.
Supply Current of 9 µA
Power-On Reset Generator With Fixed Delay
Time
These devices assert a push-pull RESET signal when
the SENSE (adjustable version) or VDD (fixed version)
drops below a preset threshold. The RESET output
remains asserted for the factory programmed delay
time after the SENSE or VDD return above its threshold.
– TPS3800 = 100 ms
– TPS3801 = 200 ms
– TPS3802 = 400 ms
•
Precision Supply Voltage Monitor 1.8 V, 2.5 V,
2.7 V, 3 V, 3.3 V, 5 V, and Adjustable
The TPS380x devices, except the TPS3801-01, incor-
porate a manual reset input (MR). A low level at MR
causes RESET to become active.
•
•
Manual Reset Input (Except TPS3801-01)
Temperature Range: -40°C to 85°C
The TPS380x uses a precision reference to achieve an
overall threshold accuracy of 2% - 2.5%. These devices
are available in a 5-pin SC-70 package, which is only
about half the size of a 5-pin SOT-23 package.
APPLICATIONS
•
Applications Using DSPs, Microcontrollers, or
Microprocessors
The TPS380x devices are fully specified over a tem-
perature range of -40°C to 85°C.
•
•
•
•
•
•
•
Wireless Communication Systems
Portable/Battery-Powered Equipment
Programmable Controls
Intelligent Instruments
Industrial Equipment
Notebook/Desktop Computers
Automotive Systems
TPS380x . . . DCK PACKAGE
typical applications
(TOP VIEW)
V
DD
= 1.8 V
1
2
3
5
4
MR
GND
GND
CoreV
100 nF
DD
TMS320VC5420
V
DD
V
DD
RESET
TPS3801E18
MR RESET
RESET
GND
TPS3801−01. . . DCK PACKAGE
(TOP VIEW)
GND
1
2
3
5
SENSE
GND
GND
4
V
DD
RESET
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily in-
cludetestingofallparameters.
Copyright © 1999–2003, Texas Instruments Incorporated
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS
TA
Device name
TPS3801-01DCK
THRESHOLD VOLTAGE
Adjustable (Vref = 1.14 V)
TYP DELAY TIME MARKING
200 ms
200 ms
200 ms
95 ms
ARF
TPS3801E18DCK
TPS3801J25DCK
TPS3800G27DCK
TPS3801L30DCK
TPS3801K33DCK
TPS3802L30DCK
TPS3802K33DCK
TPS3801T50DCK
TPS3801I50DCK
1.71 V
2.25 V
2.5 V
ARE
NJA
ARI
2.64 V
2.93 V
2.64 V
2.93 V
4.00 V
4.55 V
200 ms
200 ms
380 ms
380 ms
25 ms
NPA
NWA
ASA
ARK
AVI
-40°C to 85°C
200 ms
NSA
ABSOLUTE MAXIMUM RATINGS
(1) (2)
over operating free-air temperature range (unless otherwise noted)
UNIT
Supply voltage, VDD
7 V
All other pins
-0.3 V to 7 V
5 mA
Maximum low-output current, IOL
Maximum high-output current, IOH
-5 mA
Input-clamp current, IIK (VI < 0 or VI > VDD
)
±20 mA
Output-clamp current, IOK (VO < 0 or VO > VDD
)
±20 mA
(3)
Operating junction temperature range, TJ
Storage temperature range, Tstg
-40°C to 85°C
-65°C to 150°C
260°C
Soldering temperature (3 seconds)
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltage values are with respect to GND. For reliable operation, the device should not be operated at 7 V for more than t=1000h
continuously.
(2)
(3)
Due to the low dissipation power of this device, it is assumed that TJ = TA.
RECOMMENDED OPERATING CONDITIONS
min
max
unit
TPS3801J25, TPS3801L30,
TPS3801K33, TPS3801I50,
TPS3801T50
2
6
4
Supply voltage, VDD
V
All other devices
1.6
0
Input voltage, VI
VDD+0.3
V
V
High-level input voltage, VIH
0.7×VDD
Low-level input voltage, VIL
0.3×VDD
100
V
Input transition rise and fall rate at MR, ∆t/∆V
Operating free-air temperature range, TA
ns/V
°C
-40
85
2
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
ELECTRICAL CHARACTERISTICS
over -40°C to 85°C free-air temperature range (unless otherwise noted)
parameter
test conditions
min
typ
max
unit
VDD = 1.6 V to 6 V IOH = -500 µA
VDD = 3.3 V IOH = -2 mA
VDD -0.2
VDD -0.4
VDD -0.4
VOH
High-level output voltage (RESET)
V
(1)
VDD = 6 V IOH = -4 mA
VDD = 1.6 V to 6 V, IOL = 500 µA
VDD = 3.3 V, IOL = 2 mA
0.2
VOL
Low-level output voltage (RESET)
0.4
0.4
0.2
V
V
(1)
VDD = 6 V, IOL = 4 mA
(2)
Power-up reset voltage
VDD ≥ 1.1 V, IOL = 50 µA
TPS380x-01
TPS380xE18
TPS380xJ25
TPS380xG27
TPS380xL30
TPS380xK33
TPS380xI50
TPS380xT50
TPS380x-01
TPS380xx18
TPS380xx25
TPS380xx27
TPS380xx30
TPS380xx33
TPS380xx50
1.117
1.67
2.2
1.14 1.163
1.71
2.25
2.5
2.64
2.93
4.55
4
1.75
2.3
2.45
2.58
2.87
4.45
3.92
2.55
2.7
Negative-going input
threshold voltage
VIT-
TA = -40°C to 85°C
V
(3)
2.99
4.65
4.08
15
25
30
Vhys
Threshold hysteresis
35
mV
35
40
60
IIH
IIL
II
High-level input current (MR )
Low-level input current (MR)
Input current (SENSE)
MR = 0.7×VDD, VDD = 6 V
-40
-130
-25
-60
-200
-100
-340
25
µA
nA
MR = 0 V, VDD = 6 V
TPS3801J25, VDD = 2 V, MR and output unconnected
9
12
TPS3801L30,
TPS3801K33,
VDD = 6 V, MR and output unconnected
TPS3801I50,
20
25
10
TPS3801T50
VDD = 1.6 V, SENSE = 0 V to VDD, output
unconnected
7
IDD
Supply current
µA
pF
TPS3801-01
VDD = 4 V, SENSE = 0 V to VDD, output
unconnected
9
8
12
11
TPS3801E18, VDD = 1.6 V, MR and output unconnected
TPS3800G27,
TPS3802K33,
TPS3802L30
VDD = 4 V, MR and output unconnected
13
5
18
Ci
Input capacitance
VI = 0 V to VDD
(1)
(2)
(3)
Only valid for the TPS3801J25, TPS3801L30, TPS3801K33, TPS3801I50, and TPS3801T50.
The lowest supply voltage at which RESET becomes active. tr, VDD≥ 15 µs/V.
To ensure the best stability of the threshold voltage, a bypass capacitor (0.1-µF ceramic) should be placed near the supply terminals.
3
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
TIMING REQUIREMENTS
at RL = 1 MΩ, CL = 50 pF, TA = 25°C
parameter
TEST CONDITIONS
min
TYP
max
unit
µs
ns
at SENSE
at VDD
VDD = 1.6 V,VIH = 1.1 × VIT-, VIL = 0.9 × VIT-
VDD = VIT- + 0.2 V, VDD = VIT- -0.2 V
1
3
tw
Pulse width
at MR
VDD ≥ VIT- + 0.2 V, VIL = 0.3 × VDD, VIH = 0.7 × VDD
100
SWITCHING CHARACTERISTICS
at RL = 1 MΩ, CL = 50 pF, TA = 25°C
parameter
TEST CONDITIONS
min
TYP
max
35
unit
TPS3801T50
15
60
25
95
VDD ≥ VIT- + 0.2 V,
MR≥ 0.7 × VDD
See timing diagram
TPS3800
TPS3801
TPS3802
140
280
560
td
RESET recovery delay time
ms
120
240
200
380
VDD ≥ VIT- + 0.2 V,
MR to RESET delay
VIL = 0.3 × VDD
,
15
1
ns
µs
Propagation (delay) time, high-to-low-level
output
VIH = 0.7 × VDD
tPHL
VDD to RESET delay
SENSE to RESET
VIL = VIT- - 0.2 V,
VIH = VIT- + 0.2 V
FUNCTIONAL BLOCK DIAGRAM
FUNCTION/TRUTH TABLE, TPS380x
MR
V >V
DD IT
RESET
L
L
0
1
0
1
L
L
L
H
H
H
TPS380x
V
DD
MR
Reset
Logic
+
RESET
30 kΩ
R1
Timer
_
+
V
DD
R2
GND
Oscillator
Reference
Voltage
of 1.14 V
Figure 1. functional block diagram
4
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
TPS3801−01
Device Supply
Voltage
V
DD
V
DD
Reset
Logic
+
RESET
Timer
_
+
SENSE
Oscillator
Reference
Voltage
of 1.14 V
Figure 2. functional block diagram (continued)
TIMING DIAGRAM
V
DD
V
(NOM)
V
IT
1.1 V
t
MR
1
0
t
RESET
1
0
t
t
d
t
d
t
d
Undefined Behavior of
RESET Output For V < 1.1 V
DD
NOTE: RESET should not be forced high during the power-up sequence (until VDD > 1.1 V).
5
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
TYPICAL CHARACTERISTICS
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
50
40
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
MR = OPEN
T = 25°C
V
DD
= 2.5 V
MR = OPEN
A
30
20
T = 25°C
A
10
TPS3801J25
0
T = 85°C
A
−10
−20
−30
−40
−50
T = 0°C
A
T = -40°C
A
−2
0
2
4
6
0.0
2.5
5.0
7.5
10.0
12.5
V
DD
− Supply Voltage − V
I
− Low-Level Output Current − mA
OL
Figure 3.
Figure 4.
HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
V
= 2.5 V
DD
V
= 6.0 V
DD
MR = OPEN
MR = OPEN
T = - 40° C
A
T = - 40° C
A
T = 0° C
A
T = 0° C
A
T = 85° C
A
T = 85° C
A
T = 25° C
A
T = 25° C
A
0
−10
−20
−30
−40
−50
0
−2
−4
−6
−8
−10
I
− High- Level Output Current − mA
I
− High- Level Output Current − mA
OH
OH
Figure 5.
Figure 6.
6
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com
SLVS219C–AUGUST 1999–REVISED JULY 2003
TYPICAL CHARACTERISTICS (continued)
INPUT CURRENT
vs
INPUT VOLTAGE AT MR
MINIMUM PULSE DURATION AT VDD
vs
VDD THRESHOLD OVERDRIVE VOLTAGE
3.5
3
100
V
T
A
= 6 V
= 25° C
MR = OPEN
DD
0
−100
−200
−300
−400
−500
2.5
2
1.5
1
0.5
0
0
0.2
DD
0.4
0.6
0.8
1
−2
0
2
4
6
V
Threshold Overdrive Voltage − V
V − Input Voltage at MR − V
I
Figure 7.
Figure 8.
NORMALIZED INPUT THRESHOLD VOLTAGE
NORMALIZED INPUT THRESHOLD VOLTAGE
vs
vs
FREE-AIR TEMPERATURE AT VDD
FREE-AIR TEMPERATURE AT VDD
1.006
1.004
1.002
1
1.001
1.000
0.999
0.998
0.997
0.996
0.995
TPS3801−01
TPS3801E18
TPS3800
MR = OPEN
TPS3802
0.998
0.996
0.994
0.992
0.990
0.988
TPS3801S25
TPS3801L30
TPS3801K33
TPS3801I50
TPS3801T50
−40
−20
0
20
40
60
80
−40
−20
0
20
40
60
85
T
A
− Free- Air Temperature at V − ° C
DD
T
A
− Free- Air Temperature at V − ° C
DD
Figure 9.
Figure 10.
7
PACKAGE OPTION ADDENDUM
www.ti.com
8-Aug-2005
PACKAGING INFORMATION
Orderable Device
TPS3800G27DCKR
TPS3800G27DCKRG4
TPS3801-01DCKR
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SC70
DCK
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
SC70
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
DCK
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TPS3801-01DCKRG4
TPS3801E18DCKR
TPS3801E18DCKRG4
TPS3801I50DCKR
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TPS3801I50DCKRG4
TPS3801J25DCKR
TPS3801J25DCKRG4
TPS3801K33DCKR
TPS3801K33DCKRG4
TPS3801L30DCKR
TPS3801L30DCKRG4
TPS3801T50DCKR
TPS3801T50DCKRG4
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TPS3801T50DCKT
TPS3802K33DCKR
OBSOLETE
ACTIVE
SC70
SC70
DCK
DCK
5
5
TBD
Call TI
Call TI
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TPS3802K33DCKRG4
TPS3802L30DCKR
ACTIVE
ACTIVE
ACTIVE
SC70
SC70
SC70
DCK
DCK
DCK
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TPS3802L30DCKRG4
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS
&
no Sb/Br)
-
please check
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
8-Aug-2005
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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Addendum-Page 2
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