参数资料
型号: AP1509-SL-U
厂商: Diodes Inc
文件页数: 2/13页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 8SOIC
标准包装: 100
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.23 V ~ 18 V
输入电压: 4.5 V ~ 22 V
PWM 型: 电压模式
频率 - 开关: 150kHz
电流 - 输出: 2A
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 宽)
包装: 管件
供应商设备封装: 8-SOP
AP1509
150KHz, 2A PWM BUCK DC/DC CONVERTER
Typical Application Circuit
(1) Fixed Type Circuit
FB
12V
DC Input
1
3
AP1509-
2
Output
L1
47uH
3.3V/2A
Output Load
V IN
33
Inductor
4
5
6
7
8
C IN
Capacitor
SD
GND GND GND GND
D1
Schottky Diode
Co
Capacitor
(2) Adjustable Type Circuit
R2 1K
R1 1K
12V
DC Input
V IN
1
FB
3
AP1509
2
Output
L1
39uH
Inductor
2.5V/2A
Output Load
4
5
6
7
8
C IN
Capacitor
SD
GND GND GND GND
V OUT = V FB × (1 +
D1
Schottky
Diode
R1
)
R2
Co
Capacitor
V FB = 1.23V
R2 = 1K ~ 3K
(3) Delay Start Circuit
R2 1K
R1 1K
12V
DC Input
C IN
Capacitor
V IN
C DELAY
0.1uF
R DELAY
10K
1
4
SD
FB
3
Output
AP1509 2
5 6 7 8
GND GND GND GND
L1
39uH
Inductor
D1
Schottky
Diode
2.5V/2A
Output Load
Co
Capacitor
AP1509
Document number: DS31016 Rev. 4 - 2
2 of 13
June 2010
? Diodes Incorporated
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