參數(shù)資料
型號: AP1609
英文描述: PWM/PFM Dual Mode Step-up DC/DC Converter
中文描述: PWM / PFM切換雙模式升壓型DC / DC轉換器
文件頁數(shù): 3/8頁
文件大?。?/td> 181K
代理商: AP1609
AP1609
PWM/PFM Dual Mode Step-up DC/DC Converter
Electrical Characteristics
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Mar.25, 2005
3/8
AP1609
F
OSC
300kHz, V
OUT
5V
Ta=25
o
C
Parameter
Symbol
FB Voltage
V
FB
Input Voltage
V
CC
Output Voltage
V
OUT
Maximum Switching
Output Current
Drain-Source On-state
Resistance
Quiescent Current
I
CCQ
No load, FB=2V, CE=High
Shutdown Current
I
SD
No load, CE=Low
Measuring of EXT waveform,
V
IN
=output voltage+0.3V
Maximum Duty Ratio
MAXDTY
PFM Duty Ratio
PFMDTY
No load
No external components,
V
FB
=0V,
apply 0.65V
CC
(min.) to CE,
Chip enable
Same as V
CEH
,
Chip disable
Efficiency
EFFI
Conditions
Min.
1.20
2.5
3.0
Typ.
1.23
-
-
Max.
1.26
6
17
Units
V
V
V
I
OUT
2.4
-
-
A
R
DS(ON)
I
D
=2.4A
-
100
-
m
-
-
80
1
130
-
μ
A
μ
A
Oscillator Frequency
Fosc
240
300
360
kHz
80
15
-
-
%
%
25
35
CE ”High” Voltage
V
CEH
0.65
-
-
*V
CC
CE ”Low” Voltage
V
CEL
-
-
0.20
*V
CC
-
91
-
%
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