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APE8951 Datasheet(PDF) 2 Page - Advanced Power Electronics Corp.

Part No. APE8951
Description  1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
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Maker  A-POWER [Advanced Power Electronics Corp.]
Homepage  http://www.a-power.com.tw
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APE8951 Datasheet(HTML) 2 Page - Advanced Power Electronics Corp.

   
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Advanced Power
Electronics Corp.
APE8951
ABSOLUTE MAXIMUM RATINGS
VCNTL Supply Voltage(VCNTL) --------------------------- -0.3 to 7 V
VIN Supply Voltage(VIN) ----------------------------------- -0.3 to 3.3 V
EN and FB Pin Voltage ------------------------------------
-0.3 to VCNTL + 0.3V
Power Good Voltage(VPOK) ------------------------------- -0.3 to 7 V
Power Dissipation(PD) -------------------------------------- 3 W
Storage Temperature Range(TST) ---------------------- -65°C To 150°C
Junction Temperature Range(TJ) ----------------------- -25°C To 150°C
Operating Temperature Range(TOP) ------------------- -20°C To + 85°C
Thermal Resistance from Junction to Case(Rth JC) - 15°C/W
40°C/W
Note. Rth JA is measured with the PCB copper area(need connect to Exposed pad) of approx. 1.5 in
2 (multi-layers)
RECOMMENDED OPERATING CONDITIONS
VCNTL Supply Voltage(VCNTL) --------------------------- +3.1 to 6 V
VIN Supply Voltage(VIN) ----------------------------------- +1.1 to 3.3 V
Output Voltage(VOUT)VCNTL=3.3V
+0.8 to 1.2 V
VCNTL=5V
+0.8 to VIN-0.2 V
Output Current(IOUT) ---------------------------------------- +0 to 1.5 A
Junction Temperature Range(TJ) ----------------------- -25°C To 125°C
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
( VCNTL=5V, VIN=1.5V, VOUT=1.2V, TA=25
oC, unless otherwise specified)
Parameter
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
VCNTL POR Threshold
VCNTL(PORTH)
2.7
2.9
3.1
V
VCNTL POR Hysteresis
VCNTL(hys)
-
0.4
-
V
VIN POR Threshold
VIN(PORTH)
0.8
0.9
1.0
V
VIN POR Hysteresis
VIN(hys)
-
0.5
-
V
VCNTL Nominal Supply Current
ICNTL
EN=VCNTL
0.4
1
2
mA
VCNTL Shutdown Current
ISD
EN=0V
-
18
30
uA
Feedback Voltage
VFB
VCNTL=3.3 ~ 5V
0.784
0.8
0.816
V
Load Regulation
IOUT = 0A ~ 1.5A
-
0.06
0.25
%
IOUT = 1.5A, VCNTL=5V, TJ=25
oC
-
0.23
0.3
V
IOUT = 1.5A, VCNTL=5V, TJ=25~125
oC
-
-
0.3
V
2
Thermal Resistance from Junction to Ambient(RthJA)
Dropout Voltage
VDROP


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