参数资料
型号: AP1635SG-13
厂商: Diodes Inc
文件页数: 4/8页
文件大小: 0K
描述: IC REG BUCK ADJ 1.2A 8SOIC
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: 可调
输入电压: 2.2 V ~ 5 V
频率 - 开关: 700kHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -25°C ~ 80°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOP
AP1635
PWM/PFM DUAL MODE STEP-DOWN DC/DC
CONVERTER
Electrical Characteristics
V IN =5V, V OUT = 2V, Load=300mA, T A =25°C
Symbol
V FB
V IN
V UVLO
I CC
I CCQ
I STB
I CL
Parameter
FB
Input Voltage
Line Regulation
Load Regulation
UVLO Voltage ( min.
operating voltage )
Operating Current
Supply Current
Stand-by Current
Current Limit
Conditions
V IN =2.2~5V, Load=10mA
I OUT =10~1200mA
V CC , voltage required to maintain H at V OUT
CE/SS=V IN , No Load
No external components,
CE/SS=V IN , V FB =1.2V
No external components,
CE/SS=0V, V FB =0V
Peak current
V IN =5V, V OUT =2V
Min
0.975
2.2
-
-
-
-
-
-
1200
Typ.
1.0
-
-
-
-
100
90
6
1400
Max
1.025
5
0.12
1.2
2
150
120
-
1600
Units
V
V
%
%
V
μ A
μ A
μ A
mA
Fosc Oscillator Frequency
MAXDTY Maximum Duty Ratio
PFMDTY PFM Duty Ratio
Load=300mA, V IN =5V, V OUT =2V
No load
500
85
15
700
90
25
-
-
35
kHz
%
%
V CEH
CE/SS ”High” Voltage
Apply 1.4V (min.) to CE/SS, determine
V OUT “High”
1.4
-
-
V
V CEL
EFFI
Rdson
CE/SS ”Low” Voltage Same as V CEH , determine V OUT /“Low”
Efficiency V CC =5V, V OUT =3.3V, Load=300mA
Rdson Condition I OUT =300mA, V IN =5V, V OUT =2V
-
-
-
-
93
350
0.6
-
450
V
%
m ?
AP1635 Rev. 4
4 of 8
FEBRUARY 2009
? Diodes Incorporated
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