Datasheet > ACE150233FM+H

ACE150233FM+H

更新时间： 2022-10-08 16:47:29

品牌	Logo	应用领域
ACE		转换器
页数	文件大小	规格书
13页	710K
描述
150KHz,2A, PWM Step-Down DC/DC Converter

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ACE150233FM+H 数据手册

ACE150X

Technology

150KHz,2A, PWM Step-Down DC/DC Converter

Description

The ACE150x series are monolithic IC designed for a step-down DC/DC converter, and own the ability of

driving 2A load without additional transistor. It saves board space.

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 ACE150x series operate at a switching frequency of 150KHz. 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 standard 8-lead SOP-8 package..

Features

• Guaranteed 2A output current

• 3.3V, 5V, 12V and adjustable output versions

• Thermal shutdown and current limit protection

• Internal oscillator of 150kHz fixed frequency.

• Built-in TTL On/Off control

Application

• One Channel switching regulators

• LCD Monitors

• High-efficiency step-down regulator

Absolute Maximum Ratings

Parameter

Symbol

Max

Unit

Input supply voltage

ON/OFF Pin Input Voltage

Feedback Pin Voltage

Output Voltage to Ground

Power Dissipation

V_CC

V_SD

V_FB

V_OUT

P_D

-0.3 to +18

-1

Internally Limited W

Thermal resistance junction to ambient

SOP-8

θ^JA

^OC/W

Operating junction temperature

Storage temperature range

Operating temperature

TSTG

TOPR

150

- 60 to 150

-40 to +125

^OC

Note : Exceeding these rating could cause damage to the device. All voltages are with respect to Ground. Currents are positive

into, negative out of the specified terminal.

VER 1.2

12 3 4 5 6 7...13

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