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APE1912

Advanced Power Electronics
Part Number APE1912
Manufacturer Advanced Power Electronics
Description STEP-UP PWM DC/DC CONVERTER
Published Aug 25, 2014
Detailed Description Advanced Power Electronics Corp. FEATURES Input Voltage：3V to 13V Output Voltage：3.3V to 20V Duty Ratio：0% to 85% PWM Co...
Datasheet PDF File APE1912 PDF File

APE1912
APE1912

Overview
Advanced Power Electronics Corp.
FEATURES Input Voltage：3V to 13V Output Voltage：3.
3V to 20V Duty Ratio：0% to 85% PWM Control Oscillation Frequency：500KHz.
Enable and Thermal Shutdown Function.
Internal Current Limit.
Built-in N-channel MOSFET ESOP-8 & Pb-Free Package.
Halogen Free Product APE1912 STEP-UP PWM DC/DC CONVERTER DESCRIPTION The APE1912 is high efficient step-up DC/DC converter.
Large output current is possible having a built in internal N channel MOSFET, and using an external coil and diode.
The APE1912 can be operated at switching frequencies of 500 kHz allowing for easy filtering and low noise, the size of the external components can be reduced.
Output voltage is programmable with 1.
0V of standard voltage supply internal, and using externally connected components, output voltage (FB) can be set up at will.
The soft-start time can be programmed by outside capacitor; the function prevents overshoot at startup.
Build inside Current limit, Thermal Shutdown and enable functions.
TYPICAL APPLICATION L1 2.
2uH U1 R1 100K EN Vcc FB C1 10uF C3 0.
1uF C2 0.
47uF SS APE1912 C8 0.
47 uF SGND NC SW PGND C4 220uF C5 22uF R4 12K D1 B540A Vout =5 V VCC= 3.
0 ~ 4.
5V R3 3K R5 470R C7 0.
1uF VOUT < 8V, VOUT = VFB x (1+R4/R3) , VFB = 1.
0V, R3 = 1K 20mΩ < Cout ESR < 80mΩ Data and specifications subject to change without notice 1 20130222V1.
1 Advanced Power Electronics Corp.
ABSOLUTE MAXIMUM RATINGS VCC Pin Voltage (VCC) ----------------------------------- GND - 0.
3V to GND + 14V Feedback Pin Voltage (VFB) ----------------------------- GND - 0.
3V to 6V ON/OFF Pin Voltage (VEN) ------------------------------- GND - 0.
3V to VCC Switch Pin Voltage (VSW ) --------------------------------- GND - 0.
3V to 22V SS Pin Voltage (VSS) -------------------------------------- GND - 0.
3V to 6V Power Dissipation (PD) ----------------------------------- Internally limited Storage Temperature Range (T ST) -------------------- -40°C to +150°C Operating Junction Temperature (T OPJ) --------...


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