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AP1609 Datasheet(PDF) 4 Page - Diodes Incorporated

No. de pieza AP1609
Descripción Electrónicos  PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER
PDF  9 Pages
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Fabricante Electrónico  DIODES [Diodes Incorporated]
Página de inicio  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1609 Datasheet(HTML) 4 Page - Diodes Incorporated

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AP1609
PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER
AP1609 Rev. 2
4 of 9
FEBRUARY 2009
www.diodes.com
© Diodes Incorporated
Electrical Characteristics
AP1609
( FOSC = 300kHz, VOUT = 5V )
TA = 25
oC
Symbol
Parameter
Conditions
Min
Typ.
Max
Units
VFB
FB Voltage
1.20
1.23
1.26
V
VCC
Input Voltage
2.5
-
6
V
VOUT
Output Voltage
3.0
-
17
V
IOUT
Maximum Switching Output
Current
2.4
-
-
A
RDS (ON)
Drain-Source On-State
Resistance
ID = 2.4A
-
100
-
mΩ
ICCQ
Quiescent Current
No Load, FB = 2V, CE = High
-
80
130
μA
ISD
Shutdown Current
No Load, CE = Low
-
1
-
μA
Fosc
Oscillator Frequency
Measuring of EXT Waveform,
VIN = Output Voltage +0.3V
240
300
360
kHz
MAXDTY
Maximum Duty Ratio
80
-
-
%
PFMDTY
PFM Duty Ratio
No Load
15
25
35
%
VCEH
CE “High” Voltage
No External Components,
VFB = 0V,
Apply 0.65VCC (min.) to CE,
Chip Enable
0.65
-
-
*VCC
VCEL
CE “Low” Voltage
Same as VCEH, Chip Disable
-
-
0.20
*VCC
EFFI
Efficiency
-
91
-
%



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