AP1537 Datasheet, PDF (2/7 Pages) Anachip Corp – PWM Control 3A Step-Down Converter

PWM Control 3A Step-Down Converter
„ Ordering Information
AP1537
AP 1537 X X
Package
S: SOP-8L
Packing
Blank : Tube
A : Taping
„ Block Diagram
Output
Oscillation
Circuit
Reference Voltage
Source with Soft Start
Vcc
Thermal
Shutdown
PWM-Switched
Control Circuit
100uA
V_EN
+
FB
-
Vss
EN
Comp
„ Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
V_CC*1
V_FB
V_EN
V_OUTPUT
P_D
T_OPR
T_STG
θ_JC
VCC Pin Voltage
Feedback Pin Voltage
EN Pin Voltage
Switch Pin Voltage
Power Dissipation
Junction Operating Temperature Range
Storage Temperature Range
Thermal Resistance Junction-to-Case
3 inch² Copper as a heat-sink
V_SS - 0.3 to V_SS + 20
V_SS - 0.3 to V_CC
V_SS - 0.3 to V_IN + 0.3
V_SS - 0.3 to V_IN + 0.3
1000
-20 to +125
-40 to +150
15
V
V
V
V
mW
o_C
o_C
o_C/W
θ_JA
Thermal Resistance Junction-to-Case
3 inch² Copper as a heat-sink
65
o_C/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.
Anachip Corp.
www.anachip.com.tw
Rev. 1.3 May 09, 2006
2/7