Datasheet > APE1705S-50

APE1705S-50

更新时间： 2022-12-01 20:41:15

品牌	Logo	应用领域
富鼎先进 - A-POWER		开关
页数	文件大小	规格书
12页	574K
描述
IC SWITCHING REGULATOR, PSSO5, LEAD FREE, TO-263, 5 PIN, Switching Regulator or Controller

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APE1705S-50 数据手册

Advanced Power

Electronics Corp.

APE1705

150KHz, 3A PWM Buck DC/DC Converter

GENERAL DESCRIPTION

The APE1705 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 compensation 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 V_FBis down below 0.5V, the switching frequency will be reduced. The

APE1705 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 conditions, 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.

FEATURES

Output voltage: 3.3V, 5V, 12V and adjustable output version.

Adjustable version output voltage range, 1.23V to 38.5V.

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 40V.

Output load current: 3A.

5-Lead TO-263 and TO-220 Pb-Free packages.

Low power standby mode.

Built-in switching transistor on chip.

This datasheet contains new product information. Advanced Power Electronics Corp. reserves the rights to modify the product specification without notice. No liability is

assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.

200801173

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