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AP7175 Datasheet, PDF (4/14 Pages) Diodes Incorporated – The AP7175 is a 3.0A ultra low-dropout (LDO) linear regulator that features an enable input and a power-good output.
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AP7175
Electrical Characteristics
(VCNTL = 5V, VIN = 1.8V, VOUT = 1.2V and TA = -40 to +85°C, @TA = +25°C, unless otherwise specified.)
Symbol
Parameter
SUPPLY CURRENT
Test Conditions
AP7175
Min
Typ
Max
IVCNTL
ISD
VCNTL Supply Current
VCNTL Supply Current at
Shutdown
EN = VCNTL, IOUT=0A
EN = GND
—
1.0
1.5
—
15
30
VIN Supply Current at Shutdown
POWER-ON-RESET (POR)
EN = GND, VIN=3.65V
—
—
1
Rising VCNTL POR Threshold
2.5
2.7
2.95
VCNTL POR Hysteresis
—
0.4
—
Rising VIN POR Threshold
0.8
0.9
1.0
VIN POR Hysteresis
OUTPUT VOLTAGE
—
0.5
—
Reference Voltage
Output Voltage Accuracy
VREF
Load Regulation
Line Regulation
VOUT Pull-low Resistance
FB Input Current
DROPOUT VOLTAGE
FB = VOUT
VCNTL =3.0 ~ 5.5V, IOUT = 0 to 3A,
TJ = -40 to +125°C
IOUT =0A to 3A
IOUT =10mA, VCNTL = 3.0 to 5.5V
VCNTL = 3.3V, VEN = 0V, VOUT < 0.8V
VFB = 0.8V
—
-1.5
—
-0.15
—
-100
0.8
—
0.06
—
10
—
—
+1.5
0.25
+0.15
—
100
VDROP
VIN-to-VOUT Dropout Voltage
(Note 5)
ILIM
Current-Limit Level
PROTECTIONS
VOUT = 2.5V
TJ = +25°C
TJ = -40 to +125°C
0.26
0.31
0.42
VCNTL = 5.0V,
IOUT = 3A
VOUT = 1.8V
TJ = +25°C
TJ = -40 to +125°C
0.24
0.29
0.40
VOUT = 1.2V
TJ = +25°C
TJ = -40 to +125°C
0.23
0.28
0.38
TJ = +25°C, VOUT = 80% VNOMiNAL
4.5
5.7
6.7
TJ = -40 to +125°C
4.2
ISHORT
TSD
Short Current-Limit Level
Thermal Shutdown Temperature
VFB < 0.2V
TJ rising
—
1.1
—
—
170
Thermal Shutdown Hysteresis
—
50
—
ENABLE AND SOFT-START
EN Logic High Threshold Voltage
EN Hysteresis
EN Pull-High Current
VEN rising
EN = GND
0.5
0.8
1.1
0.1
—
—
5
—
TSS Soft-Start Interval
Turn On Delay
POWER-GOOD AND DELAY
From being enabled to VOUT rising 10%
0.3
0.6
1.2
200
350
500
VTHPG Rising PG Threshold Voltage
VFB rising
90
92
95
PG Threshold Hysteresis
—
8
—
PG Pull-low Voltage
PG sinks 5mA
—
0.25
0.4
PG Debounce Interval
VFB < falling PG voltage
threshold
—
10
—
PG Delay Time
From VFB = VTHPG to rising
edge of the VPG
1
2
4
Note:
5. Dropout voltage is the voltage difference between the inut and the output at which the output voltage drops 2% below its nominal value.
Unit
mA
µA
µA
V
V
V
V
V
%
%
%/V
Ω
nA
V
A
A
A
°C
°C
V
V
uA
ms
us
%
%
V
µs
ms
AP7175
Document number: DS35606 Rev. 3 - 2
4 of 14
www.diodes.com
December 2012
© Diodes Incorporated
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