AP1520 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1520 Datasheet PDF : 9 Pages
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Block Diagram
AP1520
PWM CONTROL 2A STEP-DOWN CONVERTER
Output
Oscillation
Circuit
Reference Voltage
Source with Soft Start
Vcc
Thermal
Shutdown
PWM-Switched
+
Control Circuit
-
FB
VEN
100uA
Vss
EN
OCSET
Absolute Maximum Ratings
Symbol
Parameter
Rating
VCC
VFB
VEN
VOUT
PD
TOP
TST
VCC Pin Voltage
Feedback Pin Voltage
EN Pin Voltage
Switch Pin Voltage
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
VSS - 0.3 to VSS + 25
VSS - 0.3 to VCC
VSS - 0.3 to VIN + 0.3
VSS - 0.3 to VIN + 0.3
Internally limited
-20 to +125
-65 to +150
Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must
therefore not be exceeded under any conditions.
Unit
V
V
V
V
mW
oC
oC
Recommended Operating Conditions
Symbol
VIN
IOUT
TA
Parameter
Input Voltage
Output Current
Operating Ambient Temperature
Min
Max
Unit
4
23
V
0
1.8
A
-25
85
oC
AP1520 Rev. 5
DS31174
3 of 9
www.diodes.com
JULY 2009
© Diodes Incorporated
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