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AP2000ES5

Chipown
Part Number AP2000ES5
Manufacturer Chipown
Description Micropower Synchronous Step-Up Converter
Published Oct 12, 2016
Detailed Description AP2000 General Description The AP2000 is synchronous, fixed frequency, step-up DC/DC converters delivering high efficien...
Datasheet PDF File AP2000ES5 PDF File

AP2000ES5
AP2000ES5

Overview
AP2000 General Description The AP2000 is synchronous, fixed frequency, step-up DC/DC converters delivering high efficiency in a 6lead SOT package.
Capable of supplying 3.
3V at 100mA from a single AA cell input, the device contain an internal NMOS switch and PMOS synchronous rectifier.
A switching frequency of 1.
2MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors.
The current mode PWM design is internally compensated, reducing external parts count.
The AP2000 features continuous switching at light loads.
Antiringing control circuitry reduces EMI concerns by damping the inductor in discontinuous mode, and the device features low shutdown current of under 1A.
The device is available in the small profile (1.
1mm) SOT-23 package.
Applications z Cellular and Smart Phones z Microprocessors and DSP Core Supplies z Wireless and DSL Modems Chipown 1.
2 MHz, Micropower Synchronous Step-Up Converter z MP3 Player z Digital Still and Video Cameras z Portable Instruments Features z High Efficiency: Up to 92% z 1.
2MHz Constant Switching Frequency z 3.
3V Output Voltage at IOUT=100mA from a Single AA Cell; 3.
3V Output Voltage at IOUT=400mA from two AA cells z Low Start-up Voltage: 0.
85V z Integrated main switch and synchronous rectifier.
No Schottky Diode Required z 2.
5V to 5V Output Voltage Range z Automatic Pulse Skipping Mode Operation z Tiny External Components z <1µA Shutdown Current z Antiringing Control Reduces EMI z Space Saving 6-Pin SOT23 Package Typical Application Circuit Figure 1.
Basic Application Circuit with AP2000 Adjustable Version Efficiency(%) Efficie ncy v s.
Output Curre nt 100 90 VIN=2.
4V 80 70 VIN=1.
5V 60 50 VIN=1.
2V 40 30 VOUT=3.
3V 20 TA=25oC 10 0 0.
1 1 10 100 1000 Output Current(mA) 4/F, Building F, IT industry Park No.
21 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 Ver 1.
1 http://www.
chipown.
com 1 AP2000 Absolute Maximum Rating(Note 1) Input Supply Voltage .
.
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