NCP57302, NCV57302
3.0 A, Very Low-Dropout
(VLDO) Fast Transient
Response Regulator
The NCP57302 is a high precision, very low dropout (VLDO), low
minimum input voltage and low ground current positive voltage
regulator that is capable of providing an output current in excess of
3.0 A with a typical dropout voltage of 315 mV at 3.0 A load current
and input voltage from 1.8 V and up. The device is stable with ceramic
output capacitors. The device can withstand up to 18 V max input
voltage.
Internal protection features consist of output current limiting,
built−in thermal shutdown and reverse output current protection.
Logic level enable pin is available. The NCP57302 is an adjustable
voltage device and is available in D2PAK−5 package.
Features
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MARKING
DIAGRAMS
TAB
1
5
D
2
PAK
CASE 936A
y
57302
AWLYWWG
1
EN
VIN
GND
VOUT
ADJ
y
A
WL
Y
WW
G
= P (NCP), V (NCV)
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
Output Current in Excess of 3.0 A
Minimum Operating Input Voltage 1.8 V for Full 3 A Output Current
315 mV Typical Dropout Voltage at 3.0 A
Adjustable Output Voltage Range from 1.24 V to 13 V
Low Ground Current
Fast Transient Response
Stable with Ceramic Output Capacitor
Logic Compatible Enable Pin
Current Limit, Reverse Current and Thermal Shutdown Protection
Operation up to 13.5 V Input Voltage
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These are Pb−Free Devices
Applications
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
Consumer and Industrial Equipment Point of Regulation
Servers and Networking Equipment
FPGA, DSP and Logic Power supplies
Switching Power Supply Post Regulation
Battery Chargers
Functional Replacement for Industry Standard MIC29300,
MIC39300, MIC37300 with Improved Minimum Input Voltage
Specification
Semiconductor Components Industries, LLC, 2013
May, 2013
−
Rev. 2
1
Publication Order Number:
NCP57302/D
NCP57302, NCV57302
TYPICAL APPLICATIONS
NCP57302
+
C
IN
VIN
EN
VOUT
ADJ
GND
R2
R1
+
C
OUT
47
mF,
Ceramic
V
IN
1.3 V
Figure 1. Adjustable Regulator
PIN FUNCTION DESCRIPTION
Pin Number
1
2
3
TAB
4
5
Pin Name
EN
VIN
GND
TAB
VOUT
ADJ
Pin Function
Enable Input: CMOS and TTL logic compatible. Logic high = enable; Logic low = shutdown.
Input voltage which supplies both the internal circuitry and the current to the output load
Ground
TAB is connected to ground.
Linear Regulator Output.
Adjustable Regulator Feedback Input. Connect to output voltage resistor divider central node.
ABSOLUTE MAXIMUM RATINGS
Symbol
V
IN
V
EN
V
OUT
– V
IN
P
D
T
J
T
S
Supply Voltage
Enable Input Voltage
Reverse V
OUT
– V
IN
Voltage (EN = Shutdown or V
IN
= 0 V) (Note 1)
Power Dissipation (Notes 2 and 3)
Junction Temperature
Storage Temperature
ESD Rating (Notes 4 and 5)
Human Body Model
Machine Model
Rating
Value
0 to 18
0 to 18
0 to 6.5
Internally Limited
–40
v
T
J
v
+125
–65
v
T
J
v
+150
2000
200
C
C
V
Unit
V
V
V
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: All voltages are referenced to GND pin unless otherwise noted.
1. The ENABLE pin input voltage must be
0.8 V or V
IN
must be connected to ground potential.
2. P
D(max)
= (T
J(max)
– T
A
) / R
qJA
, where R
qJA
depends upon the printed circuit board layout.
3. This protection is not guaranteed outside the Recommended Operating Conditions.
4. Devices are ESD sensitive. Handling precautions recommended..
5. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model (HBM) tested per AEC*Q100*002 (EIA/JESD22*A114C)
ESD Machine Model (MM) tested per AEC*Q100*003 (EIA/JESD22*A115C)
This device contains latch*up protection and exceeds 100 mA per JEDEC Standard JESD78.
RECOMMENDED OPERATING CONDITIONS
(Note 6)
Symbol
V
IN
V
EN
T
J
Supply Voltage
Enable Input Voltage
Junction Temperature
Rating
Value
1.8 to 13.5
0 to 13.5
–40
v
T
J
v
+125
Unit
V
V
C
6. The device is not guaranteed to function outside it’s Recommended operating conditions.
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2
NCP57302, NCV57302
ELECTRICAL CHARACTERISTICS
T
J
= 25C with V
IN
= V
OUT nominal
+ 0.6 V; V
EN
= V
IN
; I
L
= 10 mA; bold values indicate –40C < T
J
< +125C, unless noted. (Note 7)
Parameter
Output Voltage Accuracy
I
L
= 10 mA
10 mA < I
OUT
< 3 A , V
OUT nominal
+ 0.6 V
v
V
IN
v
13.5 V
Output Voltage Line Regulation
Output Voltage Load Regulation
V
IN
– V
OUT
Dropout Voltage
(Note 8)
V
IN
= V
OUT nominal
+ 0.6 V to 13.5 V; I
L
= 10 mA
I
L
= 10 mA to 3 A
I
L
= 1.0 A (Note 10)
I
L
= 1.5 A
I
L
= 2.0 A (Note 10)
I
L
= 3.0 A
Ground Pin Current (Note 9)
Ground Pin Current in Shutdown
Overload Protection Current Limit
Start−up Time
Reference Voltage
Adjust Pin Bias Current
ENABLE INPUT
Enable Input Signal Levels
Regulator enable
Regulator shutdown
Enable pin Input Current
V
EN
v
0.8 V (Regulator shutdown)
6.5 V > V
EN
w
1.4 V (Regulator enable)
15
1.4
0.8
2
4
30
40
V
V
mA
mA
I
L
= 3.0 A
V
EN
v
0.5 V
V
OUT
= 0 V
V
EN
= V
IN
, V
OUT
nominal = 2.5 V, I
OUT
= 10 mA,
C
OUT
= 47
mF
1.221
1.209
Conditions
Min
−1.5
−2.5
0.02
0.2
182
220
250
315
60
1.0
3.5
100
1.240
100
Typ
Max
+1.5
+2.5
0.5
1
295
350
410
520
90
120
5
5
500
1.259
1.271
200
350
Unit
%
%
%
%
mV
mV
mV
mV
mA
mA
A
ms
V
nA
7. V
OUTnominal
can be set by external resistor divider in the application. Tested for V
OUTnominal
= 1.240 V unless noted.
8. V
DO
= V
IN
– V
OUT
when V
OUT
decreases to 98% of its nominal output voltage with V
IN
= V
OUT
+ 1 V. Tested for V
OUTnominal
= 2.5 V.
9. I
IN
= I
GND
+ I
OUT
.
10. Guaranteed by design.
Package
D2PAK–5, Junction−to−Case
D2PAK–5, Junction−to−Air
PCB with 100 mm
2
2.0 oz Copper Heat Spreading Area
Conditions / PCB Footprint
Thermal Resistance
R
qJC
= 2.1C/W
R
qJA
= 52C/W
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NCP57302, NCV57302
TYPICAL CHARACTERISTICS
T
J
= 25C if not otherwise noted
100
90
80
70
PSRR (dB)
60
50
40
30
V
IN
= 3.5 V
20 V
OUT
= 2.5 V,
I
OUT
= 3 A,
10
C
IN
= 0
0
10
100
C
OUT
= 47
mF
Ceramic
PSRR (dB)
C
OUT
= 100
mF
Ceramic
100
90
80
70
60
50
40
30
V
IN
= 3.5 V
20 V
OUT
= 2.5 V,
I
OUT
= 1 A,
10
C
IN
= 0
0
10
100
C
OUT
= 47
mF
Ceramic
C
OUT
= 100
mF
Ceramic
1000
10k
FREQUENCY (Hz)
100k
1M
1000
10k
FREQUENCY (Hz)
100k
1M
Figure 2. Power Supply Rejection Ratio
500
450
400
DROPOUT (mV)
350
300
250
200
150
100
50
0
0.0
0.5
1.0
1.5
V
OUTnom
= 2.5 V
2.0
2.5
3.0
OUTPUT CURRENT (A)
−40C
+125C
DROPOUT (mV)
500
450
400
350
300
250
200
150
100
50
0
−50
Figure 3. Power Supply Rejection Ratio
3A
2A
1A
+25C
V
OUTnom
= 2.5 V
−30
−10
10
30
50
70
90
110
130
TEMPERATURE (C)
Figure 4. Dropout Voltage vs. Output Current
1.4
1.2
OUTPUT VOLTAGE (V)
1.0
0.8
0.6
0.4
0.2
0
1
V
OUTnom
= 1.24 V
1.2
1.4
1.6
SUPPLY VOLTAGE (V)
1.8
2
2A
10 mA
3A
OUTPUT VOLTAGE (V)
1A
3.0
2.5
2.0
1.5
1.0
Figure 5. Dropout Voltage vs. Temperature
1A
10 mA
3A
2A
0.5
0.0
V
OUTnom
= 2.5 V
1
1.2
1.4
1.6 1.8 2
2.2 2.4 2.6
SUPPLY VOLTAGE (V)
2.8
3
Figure 6. Dropout Characteristics
Figure 7. Dropout Characteristics
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NCP57302, NCV57302
TYPICAL CHARACTERISTICS
T
J
= 25C if not otherwise noted
60
GROUND CURRENT (mA)
50
40
30
20
10
0
V
IN
= 1.8 V
V
OUT
= 1.24 V
GROUND CURRENT (mA)
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
0.5
1
V
OUTnom
= 1.24 V
10 mA
1.5 2
2.5 3
3.5
SUPPLY VOLTAGE (V)
4
4.5
5
0
0.5
1
1.5
2
OUTPUT CURRENT (A)
2.5
3
Figure 8. Ground Current vs. Output Current
Figure 9. Ground Current vs. Supply Voltage
120
V
OUTnom
= 1.24 V
GROUND CURRENT (mA)
GROUND CURRENT (mA)
100
80
60
40
20
0
3A
2A
1A
2.5
2
1.5
1
0.5
0
0
0.5
1
1.5 2
2.5 3
3.5
SUPPLY VOLTAGE (V)
4
4.5
5
0
0.5
1
1.5 2
2.5 3
3.5
SUPPLY VOLTAGE (V)
4
4.5
5
V
OUTnom
= 2.5 V
10 mA
Figure 10. Ground Current vs. Supply Voltage
Figure 11. Ground Current vs. Supply Voltage
140
120
GROUND CURRENT (mA)
100
80
60
40
20
0
0
1
2A
1A
2
3
SUPPLY VOLTAGE (V)
4
5
3A
V
OUTnom
= 2.5 V
GROUND CURRENT (mA)
1.4
1.2
1
0.8
0.6
0.4
0.2
0
−50
V
IN
= 3.5 V
V
OUT
= 2.5 V,
I
OUT
= 10 mA
−30
−10
10
30
50
70
90
110
130
TEMPERATURE (C)
Figure 12. Ground Current vs. Supply Voltage
Figure 13. Ground Current vs. Temperature
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