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AP1537 Datasheet(PDF) 2 Page - Anachip Corp

Part # AP1537
Description  PWM Control 3A Step-Down Converter
PDF  7 Pages
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Manufacturer  ANACHIP [Anachip Corp]
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Logo ANACHIP - Anachip Corp

AP1537 Datasheet(HTML) 2 Page - Anachip Corp

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AP1537
PWM Control 3A Step-Down Converter
Anachip Corp.
www.anachip.com.tw
Rev. 1.3
May 09, 2006
2/7
Ordering Information
AP 1537 X X
Package
Packing
S: SOP-8L
Blank : Tube
A : Taping
Block Diagram
Oscillation
Circuit
Reference Voltage
Source with Soft Start
PWM-Switched
Control Circuit
+
-
Vss
V
EN
EN
100uA
Comp
FB
Vcc
Thermal
Shutdown
Output
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
*1
VCC Pin Voltage
VSS - 0.3 to VSS + 20
V
VFB
Feedback Pin Voltage
VSS - 0.3 to VCC
V
VEN
EN Pin Voltage
VSS - 0.3 to VIN + 0.3
V
VOUTPUT
Switch Pin Voltage
VSS - 0.3 to VIN + 0.3
V
PD
Power Dissipation
1000
mW
TOPR
Junction Operating Temperature Range
-20 to +125
oC
TSTG
Storage Temperature Range
-40 to +150
oC
θJC
Thermal Resistance Junction-to-Case
3 inch
2 Copper as a heat-sink
15
oC/W
θJA
Thermal Resistance Junction-to-Case
3 inch
2 Copper as a heat-sink
65
oC/W
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.



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