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APW7134 Datasheet(PDF) 1 Page - Kingbright Corporation

Part No. APW7134
Description  Dual 1.5MHz, 600mA Synchronous Step-Down Converter
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Maker  KINGBRIGHT [Kingbright Corporation]
Homepage  http://www.us.kingbright.com
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APW7134 Datasheet(HTML) 1 Page - Kingbright Corporation

 
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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Aug., 2006
APW7134
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Dual 1.5MHz, 600mA Synchronous Step-Down Converter
Features
General Description
Applications
TVTuner/Box
Portable Instrument
The APW7134 contains two independent 1.5MHz con-
stant frequency, current mode, PWM step-down
converters. Each converter integrates a main switch
and a synchronous rectifier for high efficiency without
an external Schottky diode. The APW7134 is ideal for
powering portable equipment that runs from a single
600mAOutput Current on Each Channel
2.5V to 5.5V Input Voltage Range
1.5MHz Constant Frequency Operation
LowDropout Operation at 100% Duty Cycle
Synchronous Topology
0.6V Low Reference Voltage
Typically 0.1 µAShutdown Current
Current Mode Operation
OverTemperatureProtection
Over Current Protection
Up to 94% Efficiency
InternallyCompensated
Lead FreeAvailable (RoHS Compliant)
cell Lithium-Ion (Li+) battery. Each converter can sup-
ply 600mA of load current from a 2.5V to 5.5V input
voltage. The output voltage can be regulated as low as
0.6V. The APW7134 can also run at 100% duty cycle
for low dropout applications.
Pinouts
10
EN1
SW1
GND1
IN1
FB2
EN2
SW2
GND2
IN2
FB1
Exposed pad
on backside
APW7134 (Top View)
DFN-10 (3mm x 3mm)
7
8
5
4
3
2
1
9
6
10


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