參數(shù)資料
型號: AP1623SL
英文描述: JFET; Transistor Polarity:Dual N Channel; Breakdown Voltage, V(br)gss:-40V; Zero Gate Voltage Drain Current Min, Idss:0.5mA; Zero Gate Voltage Drain Current Max, Idss:10mA; Gate-Source Cutoff Voltage Max, Vgs(off):-2.5V
中文描述: PWM控制降壓型開關(guān)穩(wěn)壓器,轉(zhuǎn)換器
文件頁數(shù): 4/6頁
文件大小: 182K
代理商: AP1623SL
AP1623
PWM Control Step-Down Switching Regulator-Controllers
Typical Application Circuit
1
Normal Application
Anachip Corp.
www.anachip.com.tw Rev. 0.1 Feb 10, 2004
4/6
Oscillation
Circuit
Reference Voltage
Source with
Soft Start
PWM-Switched
Control Circuit
+
-
AP1623
+
-
V
SS
ON/OFF
C
C
R
A
R
B
D1
OUT
V
OUT
R
1
R
2
PV
CC
SW
V
CC
R
VCC
C
VCC
2
Application with Short Circuit Protection
AP1623
+
-
V
SS
ON/OFF
C
C
R
A
R
B
D1
V
OUT :
1.8V
V
OUT
PV
CC
SW
V
CC
D
VCC
1N4148 for above 5V Vin and
Schottky for below 5V Vin
C
VCC
0.1uF
C
PVCC
100uF
C
ON/OFF
0.33uF
R
ON/OFF
1M
R
Bias
4.7M
R
SENCE
47K
C
OUTPUT
100uF
V
IN :
3.3V~16V
Test Circuit
A
VOUT
VCC
PVCC
VSS
ON/OFF
open
open
VOUT
VCC
PVCC
VSS
ON/OFF
+
-
O
SW
SW
A
VOUT
VCC
VSS
ON/OFF
+
-
+
-
V
SW
PVCC
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參數(shù)描述
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