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