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AP1609 Datasheet(PDF) 3 Page - Anachip Corp

Part # AP1609
Description  PWM/PFM Dual Mode Step-up DC/DC Converter
PDF  8 Pages
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Manufacturer  ANACHIP [Anachip Corp]
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Logo ANACHIP - Anachip Corp

AP1609 Datasheet(HTML) 3 Page - Anachip Corp

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AP1609
PWM/PFM Dual Mode Step-up DC/DC Converter
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Mar.25, 2005
3/8
Electrical Characteristics
AP1609
（
FOSC＝300kHz, VOUT＝5V）
Ta=25
oC
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
FB Voltage
VFB
1.20
1.23
1.26
V
Input Voltage
VCC
2.5
-
6
V
Output Voltage
VOUT
3.0
-
17
V
Maximum Switching
Output Current
IOUT
2.4
-
-
A
Drain-Source On-state
Resistance
RDS(ON)
ID=2.4A
-
100
-
mΩ
Quiescent Current
ICCQ
No load, FB=2V, CE=High
-
80
130
µA
Shutdown Current
ISD
No load, CE=Low
-
1
-
µA
Oscillator Frequency
Fosc
Measuring of EXT waveform,
VIN=output voltage+0.3V
240
300
360
kHz
Maximum Duty Ratio
MAXDTY
80
-
-
%
PFM Duty Ratio
PFMDTY
No load
15
25
35
%
CE ”High” Voltage
VCEH
No external components,
VFB=0V,
apply 0.65VCC (min.) to CE,
Chip enable
0.65
-
-
*VCC
CE ”Low” Voltage
VCEL
Same as VCEH,
Chip disable
-
-
0.20
*VCC
Efficiency
EFFI
-
91
-
%



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