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AP3012

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AP3012 数据手册

Data Sheet

1.5MHz STEP-UP DC-DC CONVERTER

AP3012

General Description

Features

The AP3012 is a high power, constant frequency, cur-

rent mode PWM, inductor based, step-up (boost) con-

verter. The converter operates at high frequency

(1.5MHz) so that a small, low profile inductor can be

used.

High Efficiency up to 81%

Adjustable Output Voltage up to 29V

Shutdown Current 1μA Typical

1.5MHz Switching Frequency

36V 500mA Rugged Integrated Bipolar Switch

Built-in Soft-Start to Reduce Inrush Current Dur-

ing Start-up

On-chip Overvoltage Protection

Uses Low ESR Ceramic Output Capacitor

The AP3012 has built-in overvoltage protection (OVP)

to allow the device goes into shutdown mode when the

output voltage exceeds the OVP threshold of 29V.

The AP3012 is available in standard SOT-23-5 pack- · Uses Smll Inductor

age.

Applications

LCD/OLED Display Bias Supply

White LED Driver for LCD Display Backlights

Cellular Phones

SOT-23-5

Figure 1. Package Type of AP3012

Apr. 2007 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...11

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