参数资料
型号: AP1538SDPG-13
厂商: Diodes Inc
文件页数: 3/13页
文件大小: 0K
描述: IC REG BUCK ADJ 3A 8SOIC
产品变化通告: Wire Change 18/June/2008
Copper Bond Wire Change 13/Jan/2012
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 18 V
输入电压: 3.6 V ~ 18 V
频率 - 开关: 300kHz
电流 - 输出: 3A
同步整流器:
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm Width)裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 8-SOP
AP1538
18V 3A 300KHz BUCK CONVERTER
Pin Descriptions
Pin Name
FB
EN
OCSET
V CC
Output
V SS
Pin No.
1
2
3
4
5, 6
7, 8
Description
Feedback pin
Power-off pin
H: Normal operation
(Step-down operation)
L: Step-down operation stopped
(All circuits deactivated)
Add an external resistor to set max output current
IC power supply pin
Switch Pin. Connect external inductor/diode here. Minimize trace
area at this pin to reduce EMI
GND Pin
Block Diagram
Output
Vcc
Oscillation
Circuit
Reference Voltage
Source with Soft Start
Thermal
Shutdown
PWM-Switched
Control Circuit
V EN
90uA
+
-
FB
Vss
EN
OCSET
AP1538 Rev. 5
DS31451
3 of 13
OCTOBER 2009
? Diodes Incorporated
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