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Número de pieza
componentes Descripción
AP1609 Ver la hoja de datos (PDF) - Anachip Corporation
Número de pieza
componentes Descripción
Fabricante
AP1609
PWM/PFM Dual Mode Step-up DC/DC Converter
Anachip Corporation
AP1609 Datasheet PDF : 8 Pages
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8
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
(
F
OSC
=
300kHz, V
OUT
=
5V
)
Symbol
Conditions
V
FB
V
CC
V
OUT
I
OUT
R
DS(ON)
I
CCQ
I
SD
Fosc
MAXDTY
PFMDTY
V
CEH
V
CEL
EFFI
I
D
=2.4A
No load, FB=2V, CE=High
No load, CE=Low
Measuring of EXT waveform,
V
IN
=output voltage+0.3V
No load
No external components,
V
FB
=0V,
apply 0.65V
CC
(min.) to CE,
Chip enable
Same as V
CEH
,
Chip disable
Min.
1.20
2.5
3.0
2.4
-
-
-
240
80
15
Typ.
1.23
-
-
-
100
80
1
300
-
25
Ta=25
o
C
Max. Units
1.26 V
6
V
17
V
-
A
-
m
Ω
130
µ
A
-
µ
A
360 kHz
-
%
35
%
0.65
-
-
*V
CC
-
-
0.20 *V
CC
-
91
-
%
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Mar.25, 2005
3/8
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