Datasheet > APE1702_08

APE1702_08

更新时间： 2024-09-24 12:23:15

品牌	Logo	应用领域
富鼎先进 - A-POWER		转换器
页数	文件大小	规格书
10页	471K
描述
150KHz, 3A PWM BUCK DC/DC CONVERTER

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APE1702_08 数据手册

Advanced Power

Electronics Corp.

APE1702

150KHz, 3A PWM BUCK DC/DC CONVERTER

FEATURES

DESCRIPTION

The APE1702 series are monolithic IC designed for a

step-down DC/DC converter, and own the ability of driving a

3A load without additional transistor. It saves board space.

The external shutdown function can be controlled by logic

level and then come into standby mode. The internal compen-

sation makes feedback control having good line and load

regulation without external design. Regarding protected function,

thermal shutdown is to prevent over temperature operating

from damage, and current limit is against over current operating

of the output switch. if current limit function occurs and VFB

is down below 0.5V the switching frequency will be reduced.

The APE1702 series operates at a switching frequency of

150KHz thus allow smaller sized filter components than what

would be needed with lower frequency switching regulators.

Other features include a guaranteed +4% tolerance on output

voltage under specified input voltage and output load con-

ditions, and +15% on the oscillator frequency. The output

version included fixed 3.3V, 5V, 12V and an adjustable type.

The chips are available in a 5-Lead TO-263 and 5-Lead

TO-220 package.

Output Voltage : 3.3V, 5V, 12V and Adjustable

Output Voltage

Adjustable Version Output Voltage Range, 1.23V

to 19.5V+4%

150KHz +15% Fixed Switching Frequency.

Voltage Mode Non-synchronous PWM Control.

Thermal-shutdown and Current-limit Protection.

ON/OFF Shutdown Control Input.

Short Circuit Protect(SCP)

Operating Voltage can be up to 22V

Output Load Current 3A

5-Lead TO-263/TO-220

Low Power Standby Mode.

Built-in Switching Transistor on Chip

RoHS Compliant

TYPICAL APPLICATION

1. ADJUSTABLE OUTPUT VOLTAGE VERSION

2. ADJUSTABLE OUTPUT VOLTAGE VERSION WITH DELAYED STARTUP

Data and specifications subject to change without notice

200803105

12 3 4 5 6 7...10

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