NCV5663DS15R4G [ONSEMI]
Low Output Voltage, Ultra-Fast 3.0 A Low Dropout Linear Regulator with Enable;
| 型号： | NCV5663DS15R4G |
| 厂家： | 
ONSEMI |
| 描述： | Low Output Voltage, Ultra-Fast 3.0 A Low Dropout Linear Regulator with Enable |
| 文件： | 总12页 (文件大小：423K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NCP5663, NCV5663
Low Output Voltage,
Ultra-Fast 3.0 A Low Dropout
Linear Regulator with Enable
The NCP5663/NCV5663 is a high performance, low dropout linear
regulator designed for high power applications that require up to 3.0 A
current. It is offered in both fixed and adjustable output versions. With
output voltages as low as 0.9 V and ultra−fast response times for load
transients, the NCP5663/NCV5663 also provides additional features
such as Enable and Error Flag (for the fixed output version),
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MARKING
DIAGRAM
2
increasing the utility of this device. A thermally robust, 5 pin D PAK,
combined with an architecture that offers low ground current
(independent of load), provides for a superior high−current LDO
solution.
NC
x5663DSy
AWYYWWG
1
5
2
D PAK
CASE 936A
Features
1
Ultra−Fast Transient Response (Settling Time: 1−3 ms)
Tab = Ground
Pin 1. Enable
Low Noise Without Bypass Capacitor (28 mV
rms)
Low Ground Current Independent of Load (3.0 mA Maximum)
Fixed/Adjustable Output Voltage Versions
Enable Function
Error Flag (Fixed Output Version)
Current Limit Protection
Thermal Protection
0.9 V Reference Voltage for Ultra−Low Output Operation
Power Supply Rejection Ratio > 65 dB
2. V
in
3. Ground
4. V
out
5. Adj (adjustable output)
5. Error Flag (fixed output)
x
y
= P or V
= A for Adjustable Version
B for Fixed 1.5 V Version
C for Fixed 1.8 V Version
= Assembly Location
= Wafer Lot
A
W
Y
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
= Year
WW = Work Week
= Pb−Free
G
This is a Pb−Free Device
Applications
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
Servers
ASIC Power Supplies
Post Regulation for Power Supplies
Constant Current Source
Networking Equipment
Gaming and STB Modules
Semiconductor Components Industries, LLC, 2013
1
Publication Order Number:
May, 2013 − Rev. 6
NCP5663/D
NCP5663, NCV5663
PIN FUNCTION DESCRIPTION
Pin
Adj/Fixed
Pin Name
Description
1
Enable
This pin allows for on/off control of the regulator. To disable the device, connect to Ground. If this
function is not in use, connect to V .
in
2
3
4
5
V
Positive Power Supply Input Voltage
in
Ground
Power Supply Ground
V
out
Regulated Output Voltage
Adj
This pin is connected to the resistor divider network and programs the output voltage.
(Adjustable Version)
5
Error Flag
(Fixed Version)
An Error Flag is triggered when the output voltage is out of regulation excluding transient signals
that may occur. Requires a pullup resistor f 100 kW.
ABSOLUTE MAXIMUM RATINGS
Rating
Symbol
Value
18
Unit
V
Input Voltage (Note 1)
Output Pin Voltage
Adjust Pin Voltage
Enable Pin Voltage
Error Flag Voltage
Error Flag Current
V
in
V
−0.3 to Vin +0.3
−0.3 to Vin +0.3
−0.3 to Vin +0.3
−0.3 to Vin +0.3
3.0
V
out
V
adj
V
V
V
en
V
V
ef
I
mA
C/W
ef
Thermal Characteristics (Note 1)
Thermal Resistance Junction−to−Air (Note 2)
Thermal Resistance Junction−to−Case
R
45
5.0
JA
R
JC
Operating Junction Temperature Range
Storage Temperature Range
T
−40 to +150
−55 to +150
C
C
J
T
stg
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE: This device series contains ESD protection and exceeds the following tests:
Human Body Model (HBM) JESD 22−A114−B
Machine Model (MM) JESD 22−A115−A.
1. Refer to Electrical Characteristics table and Application Information section for Safe Operating Area.
2
2. As measured using a copper heat spreading area of 625 mm , 1 oz. copper thickness.
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NCP5663, NCV5663
ELECTRICAL CHARACTERISTICS
(V − V = 1.5 V, for typical values T = 25C, for min/max values T = −40C to 85C (125C for NCV versions), C = C = 150 mF
in
out
J
J
in
out
unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
ADJUSTABLE OUTPUT VERSION
Input Voltage
V
in
2.0
−
9.0
V
Output Noise Voltage
V
n
−
28
−
mV
rms
Output Voltage Accuracy
V
out
V
T = 25C (V = V +1.5 V to 7.0 V, I = 10 mA to 3.0 A)
−1%
−1.5%
−2%
−
+1%
+1.5%
+2%
J
in
out
out
0.9
T = −20 to +125C (V = V +1.5 V to 7.0 V, I = 10 mA to 3.0 A)
J
in
out
out
−
T = −40 to +150C (V = V +1.5 V to 7.0 V, I = 10 mA to 3.0 A)
J
in
out
out
Adjustable Pin Input Current
Line Regulation (I = 10 mA, V +1.5 V < V < 7.0 V)
I
−
−
40
0.03
0.03
1.0
−
−
−
nA
%
%
V
adj
REG
out
out
in
line
Load Regulation (10 mA < I < 3.0 A)
REG
−
−
out
load
Dropout Voltage (I = 3.0 A)
V
−
1.3
−
out
DO
Peak Output Current Limit
Internal Current Limitation
I
3.0
−
A
out
I
4.5
−
A
lim
Ripple Rejection (120 Hz)
Ripple Rejection (1 kHz)
RR
−
−
70
65
−
−
dB
Thermal Shutdown (Guaranteed by Design)
Ground Current
T
−
160
−
C
SHD
I
= 3.0 A
I
q
−
−
1.3
10
3.0
300
mA
mA
out
Disabled State
I
qds
Enable Input Threshold Voltage
V
en
V
Voltage Increasing, On state, Logic High
Voltage Decreasing, Off state, Logic Low
1.3
−
−
−
−
0.3
Enable Input Current
I
en
Enable Pin Voltage = 0.3 V
Enable Pin Voltage = 1.3 V
−
−
0.5
0.5
−
−
mA
max
min
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3
NCP5663, NCV5663
ELECTRICAL CHARACTERISTICS
(V − V = 1.5 V, for typical values T = 25C, for min/max values T = −40C to 85C (125C for NCV versions), C = C = 150 mF
in
out
J
J
in
out
unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
FIXED OUTPUT VOLTAGE
Input Voltage
V
in
2.0
−
9.0
V
Output Noise Voltage (V = 0.9 V)
V
n
−
28
−
mV
rms
out
Output Voltage Accuracy (Note 3)
V
out
V
T = 25C (V = V +1.5 V to 7.0 V, I = 10 mA to 3.0 A)
−1%
−1.5%
−2%
−
out
−
+1%
+1.5%
+2%
J
in
out
out
V
T = −20 to +125C (V = V +1.5 V to 7.0 V, I = 10 mA to 3.0 A)
J
in
out
out
T = −40 to +150C (V = V +1.5 V to 7.0 V, I = 10 mA to 3.0 A)
J
in
out
out
Line Regulation (I = 10 mA, V +1.5 V < V < 7.0 V)
REG
−
−
0.03
0.2
1.0
−
−
−
%
%
V
out
out
in
line
Load Regulation (10 mA < I < 3.0 A)
REG
load
out
Dropout Voltage (I = 3.0 A)
V
DO
−
1.3
−
out
Peak Output Current Limit
Internal Current Limitation
I
3.0
−
A
out
I
lim
4.5
−
A
Ripple Rejection (120 Hz)
Ripple Rejection (1 kHz)
RR
−
−
70
65
−
−
dB
Thermal Shutdown (Guaranteed by Design)
Ground Current
T
−
160
−
C
SHD
I
= 3.0 A
I
q
−
−
1.3
30
3.0
300
mA
mA
out
Disabled State
I
qds
Enable Input Threshold Voltage
V
en
V
Voltage Increasing, On state, Logic High
Voltage Decreasing, Off state, Logic Low
1.3
−
−
−
−
0.3
Enable Input Current
I
en
Enable Pin Voltage = 0.3 V
Enable Pin Voltage = 1.3 V
−
−
0.5
0.5
−
−
mA
max
min
Error Flag (Fixed Output)
V
91
−
94
200
1.0
50
97
−
% of V
mV
cflt
out
Error Flag Output Low Voltage Saturation (I = 1.0 mA)
V
cfdo
ef
Error Flag Leakage
I
−
−
mA
efleak
Error Flag Blanking Time (Note 4)
T
−
−
ms
ef
3. Refer to Ordering Information Table for available voltage options.
4. Can be disabled per customer request.
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4
NCP5663, NCV5663
V
in
IN
ON
Enable
Block
EN
OFF
Voltage
Reference
Block
V
ref
= 0.9 V
C
in
R3
R4
V
out
Output
Stage
Ck
R1
R2
ADJ
C
out
GND
GND
V
V
out
ref
R1 + R2 ǒ * 1Ǔ
Figure 1. Typical Schematic, Adjustable Output Version
V
in
IN
ON
EN
OFF
Enable
Block
Voltage
Reference
Block
Rflag
V
ref
= 0.9 V
C
in
V
out
R3
R4
Output
Stage
Cc
R1
R2
C
out
EF
Error
Flag
GND
GND
Figure 2. Typical Schematic, Fixed Output Version
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NCP5663, NCV5663
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.30
I
= 3.0 A
V
C
C
= 2.5 V
= 150 mF
= 10 to 150 mF
out
out
1.20
1.10
1.00
0.90
0.80
0.70
in
out
I
= 300 mA
out
T = 25C
J
−50
−25
0
25
50
75
100
125
150
0
0.5
1.0
, OUTPUT CURRENT (A)
out
1.5
2.0
2.5
3.0
150
3.0
T , JUNCTION TEMPERATURE (C)
I
J
Figure 1. Dropout Voltage vs. Temperature
Figure 2. Dropout Voltage vs. Output Current
2.5
2.0
1.5
5.00
4.75
4.50
4.25
4.00
3.75
3.50
3.25
3.00
1.0
0.5
0.0
V
in
= 2.5 V
= 150 mF
C
in
−50
−25
−50
−25
0
25
50
75
100
125
150
0
25
50
75
100
125
T , JUNCTION TEMPERATURE (C)
T , JUNCTION TEMPERATURE (C)
J
J
Figure 3. Ground Current vs. Temperature
Figure 4. Short Circuit Current Limit vs.
Temperature
910
908
906
904
902
900
898
896
894
892
890
910
908
906
904
902
900
898
896
894
892
890
I
= 10 mA
= 150 mF
V
I
C
C
= 3.3 V
out
in
C
C
= 3.0 A maximum
= 150 mF
in
out
= 1.0 to 150 mF
out
in
T = 25C
J
= 1.0 to 150 mF
out
T = 25C
J
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
0
0.5
1.0
, OUTPUT CURRENT (A)
out
1.5
2.0
2.5
V , INPUT VOLTAGE (V)
I
in
Figure 5. Output Voltage vs. Input Voltage
Figure 6. Output Voltage vs. Output Load Current
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NCP5663, NCV5663
1.2
1.0
0.8
0.6
0.4
0.2
0.0
90
80
T = 25C
L = 25 mm Copper
A
I
= 10 mA
out
70
60
50
40
30
20
10
0
V
V
C
= 2.5 V
= 0.9 V
= 100 nF
in
I
= 1.0 A
out
out
in
C
= 1.0 mF
out
T = 25C
J
0
2
4
6
8
10
12
14
16
20
0
1.0
10
F, FREQUENCY (kHz)
100
1000
INPUT−OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 7. Output Current vs. Input−Output
Figure 8. Ripple Rejection vs. Frequency
Voltage Differential
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
V
= 3.3 V
= 0.9 V
= 3.0 A
= 150 mF
in
V
= 3.3 V
= 0.9 V
= 10 mA
= 150 mF
in
V
out
V
out
I
out
I
out
C
C
in
C
C
in
= 1.0 mF
out
= 150 nF
out
T = 25C
J
T = 25C
J
Start 1.0 kHz
Stop 500 kHz
Start 1.0 kHz
Stop 200 kHz
F, FREQUENCY (kHz)
F, FREQUENCY (kHz)
Figure 9. Noise Density vs. Frequency
Figure 10. Noise Density vs. Frequency
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NCP5663, NCV5663
V
in
= 3.3 V
V
out
= 0.9 V
C
C
= 150 mF
in
= 150 mF
out
T = 25C
A
V
in
= 3.3 V
V
out
= 0.9 V
C
C
= 150 mF
in
= 150 mF
out
I
= 3.0 A to 10 mA
out
T = 25C
A
I
= 10 mA to 3.0 A
out
TIME (1.0 ms/Div)
TIME (1.0 ms/Div)
Figure 11. Load Transient Response
Figure 12. Load Transient Response
V
in
= 3.3 V
V
out
= 0.9 V
C
C
= 150 mF
in
= 150 mF
out
T = 25C
A
V
= 3.3 V
= 0.9 V
I
= 10 mA to 3.0 A
in
out
V
out
I
= 3.0 A to 10 mA
out
C
C
= 150 mF
in
= 150 mF
out
T = 25C
A
TIME (100 ns/Div)
TIME (100 ns/Div)
Figure 13. Load Transient Response
Figure 14. Load Transient Response
V
in
= 3.3 V
V
out
= 0.9 V
C
C
= 150 mF
in
V
= 3.3 V
= 0.9 V
= 150 mF
in
= 10 mF
out
V
out
T = 25C
A
C
C
in
= 10 mF
out
T = 25C
A
I
= 3.0 A to 10 mA
out
I
= 10 mA to 3.0 A
out
TIME (5.0 ms/Div)
TIME (500 ns/Div)
Figure 15. Load Transient Response
Figure 16. Load Transient Response
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NCP5663, NCV5663
V
= 0.9 V
APPLICATION INFORMATION
out
Output
Input
The NCP5663/NCV5663 is a high performance low
dropout 3.0 A linear regulator suitable for high power
applications, featuring an ultra−fast response time and low
noise without a bypass capacitor. It is offered in both fixed
and adjustable output versions with voltages as low as 0.9 V.
Additional features, such as Enable and Error Flag (fixed
output version) increase the utility of the
NCP5663/NCV5663. It is thermally robust and includes the
safety features necessary during a fault condition, which
provide for an attractive high current LDO solution for
server, ASIC power supplies, networking equipment
applications, and many others.
V
V
out
in
ON
NCP5663
GND
C
C
out
in
EN
ADJ
OFF
Enable
Figure 17. To achieve the minimum output voltage,
ADJ to Vout has to be connected together
Current Limit Operation
As the peak output current increases beyond its limitation,
the device is internally clampled to 4.5 A, thus causing the
output voltage to decrease and go out of regulation. This
allows the device never to exceed the maximum power
dissipation.
Input Capacitor
The recommended input capacitor value is a 150 mF
OSCON with an Equivalent Series Resistance (ESR) of
50 mW. It is especially required if the power source is
Error Flag Operation
located more than
a
few inches from the
The Error Flag pin on the NCP5663/NCV5663 will
produce a logic Low when it drops below the nominal output
voltage. Refer to the electrical characteristics for the
threshold values at which point the Error Flag goes Low.
When the NCP5663/NCV5663 is above the nominal output
voltage, the Error Flag will remain at logic High.
The external pullup resistor needs to be connected
NCP5663/NCV5663. This capacitor will reduce device
sensitivity and enhance the output transient response time.
The PCB layout is very important and in order to obtain the
optimal solution, the Vin and GND traces should be
sufficiently wide to minimize noise and unstable operation.
Output Capacitor
Proper output capacitor selection is required to maintain
between V and the Error Flag pin. A resistor of
in
stability. The NCP5663/NCV5663 is stable for C as low
out
approximately 100 kW is recommended to minimize the
current consumption. No pullup resistor is required if the
Error Flag output is not being used.
as 10 mF (Figures 15 and 16) and guaranteed to be stable at
an output capacitance of, C > 33 mF with an ESR between
out
50 mW and 300 mW over the output current range of 10 mA
to 3.0 A. For PCB layout considerations, place the
recommended ceramic capacitor close to the output pin and
keep the leads short. This should help ensure ultra−fast
transient response times.
Thermal Consideration
This series contains an internal thermal limiting circuit
that is designed to protect the regulator in the event that the
maximum junction temperature is exceeded. This feature
provides protection from a catastrophic device failure due to
accidental overheating. It is not intended to be used as a
substitute for proper heat sinking. The maximum device
power dissipation can be calculated by:
Adjustable Output Operation
The application circuit for the adjustable output version is
shown in Figure 1. The reference voltage is 0.9 V and the
adjustable pin current is typically 40 nA. A resistor divider
network, R1 and R2, is calculated using the following
formula:
T
* T
J(max)
A
P
+
D
R
V
V
qJA
out
ref
R1 + R2 ǒ * 1Ǔ
The bipolar process employed for this IC is fully
characterized and rated for reliable 18 V V operation.
CCmax
To avoid damaging the part or degrading it’s reliability,
power dissipation transients should be limited to under 30 W
2
for D PAK. For open−circuit to short−circuit transient,
P
= V * I .
CCmax SC
DTransient
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9
NCP5663, NCV5663
Figure 18. Test Board used for Evaluation
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10
NCP5663, NCV5663
ORDERING INFORMATION
Device
Nominal Output Voltage
Package
Shipping†
NCP5663DSADJR4G
Adj
800 Tape & Reel
800 Tape & Reel
800 Tape & Reel
50 Units / Rail
NCP5663DS15R4G (Note 5)
NCP5663DS18R4G (Note 5)
NCP5663DS18G (Note 5)
NCV5663DSADJR4G*
NCV5663DS15R4G* (Note 5)
Fixed, 1.5 V
Fixed, 1.8 V
Fixed, 1.8 V
Adj
2
D PAK
(Pb−Free)
800 Tape & Reel
800 Tape & Reel
Fixed, 1.5 V
5. Other fixed output voltages available at 0.9 V, 1.2 V, 2.5 V, 3.0 V, 3.3 V per request.
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP
Capable
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NCP5663, NCV5663
PACKAGE DIMENSIONS
D2PAK 5−LEAD
CASE 936A−02
ISSUE C
NOTES:
ꢀꢁ1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
ꢀꢁ2. CONTROLLING DIMENSION: INCH.
ꢀꢁ3. TAB CONTOUR OPTIONAL WITHIN
DIMENSIONS A AND K.
−T−
TERMINAL 6
OPTIONAL
CHAMFER
A
E
U
ꢀꢁ4. DIMENSIONS U AND V ESTABLISH A MINIMUM
MOUNTING SURFACE FOR TERMINAL 6.
ꢀꢁ5. DIMENSIONS A AND B DO NOT INCLUDE
MOLD FLASH OR GATE PROTRUSIONS. MOLD
FLASH AND GATE PROTRUSIONS NOT TO
EXCEED 0.025 (0.635) MAXIMUM.
S
K
V
B
H
1
2
3
4 5
M
L
INCHES
DIM MIN MAX
MILLIMETERS
MIN MAX
9.804 10.236
A
B
C
D
E
G
H
K
L
0.386
0.356
0.170
0.026
0.045
0.403
0.368
0.180
0.036
0.055
D
M
9.042
4.318
0.660
1.143
9.347
4.572
0.914
1.397
P
N
0.010 (0.254)
T
G
R
0.067 BSC
1.702 BSC
0.579 13.691 14.707
1.270 REF
0.539
0.050 REF
0.000
0.088
0.018
0.058
0.010
0.102
0.026
0.078
0.000
0.254
2.591
0.660
1.981
M
N
P
R
S
U
V
2.235
0.457
1.473
C
5_REF
5_REF
0.116 REF
0.200 MIN
0.250 MIN
2.946 REF
5.080 MIN
6.350 MIN
SOLDERING FOOTPRINT
8.38
0.33
1.702
0.067
10.66
0.42
1.016
0.04
3.05
0.12
16.02
0.63
mm
inches
ǒ
Ǔ
SCALE 3:1
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limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications
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