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APE1911

Advanced Power Electronics
Part Number APE1911
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 20V Output Voltage：3.3V to 32V Duty Ratio：0% to 85% PWM Co...
Datasheet PDF File APE1911 PDF File

APE1911
APE1911

Overview
Advanced Power Electronics Corp.
FEATURES Input Voltage：3V to 20V Output Voltage：3.
3V to 32V 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.
APE1911 STEP-UP PWM DC/DC Converter DESCRIPTION The APE1911 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 APE1911 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 VCC=5V L1 22uH U1 R1 100K 1 2 3 4 C1 470uF C7 0.
1uF C3 Option C2 0.
47uF EN Vcc FB SS APE1911 SGND PGND SW SW 8 7 6 5 C4 470uF C5 4.
7uF R4 11K D1 B340A Vout=12V C8 0.
47uF R3 1K VOUT = VFB x (1+R4/R3) , VFB = 1.
0V, R3 = 1K ~3KΩ PACKAGE & ORDERING INFORMATION APE1911X Package Type MP : ESOP-8 ( Top View ) EN VCC FB SS 1 2 3 4 Exposed pad 8 7 6 5 ESOP-8 (EP is connect to SW) SGND PGND SW SW Data and specifications subject to change without notice 1 201010182 Advanced Power Electronics Corp.
ABSOLUTE MAXIMUM RATINGS VCC Pin Voltage (VCC) ------------------------------------ GND - 0.
3V to GND + 22V 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 34V SS Pin Voltage (VSS) --------------------------------------- GND - 0.
3V to 6V Power Dissipation (PD) ------------------------------------ Internally limited ...


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