Datasheet > P1575

P1575

更新时间： 2024-11-18 12:56:43

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
27页	4052K
描述
SIMPLE SWITCHER® 1A Step-Down Voltage Regulator

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中文翻译

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P1575 数据手册

April 2007

P1575/P2575/P2575HV

SIMPLE SWITCHER^®1A Step-Down Voltage Regulator

General Description

Features

The P2575 series of regulators are monolithic integrated

circuits that provide all the active functions for a step-down

(buck) switching regulator, capable of driving a 1A load with

excellent line and load regulation. These devices are avail-

able in fixed output voltages of 3.3V, 5V, 12V, 15V, and an

adjustable output version.

3.3V, 5V, 12V, 15V, and adjustable output versions

■

Adjustable version output voltage range,

1.23V to 37V (57V for HV version) ±4% max over

line and load conditions

Guaranteed 1A output current

■

Wide input voltage range, 40V up to 60V for HV version

Requiring a minimum number of external components, these

regulators are simple to use and include internal frequency

compensation and a fixed-frequency oscillator.

Requires only 4 external components

52 kHz fixed frequency internal oscillator

TTL shutdown capability, low power standby mode

The P2575 series offers a high-efficiency replacement for

popular three-terminal linear regulators. It substantially re-

duces the size of the heat sink, and in many cases no heat

sink is required.

High efficiency

Uses readily available standard inductors

Thermal shutdown and current limit protection

P⁺Product Enhancement tested

A standard series of inductors optimized for use with the

P2575 are available from several different manufacturers.

This feature greatly simplifies the design of switch-mode pow-

er supplies.

■

Applications

Other features include a guaranteed ±4% tolerance on output

voltage within specified input voltages and output load con-

ditions, and ±10% on the oscillator frequency. External shut-

down is included, featuring 50 μA (typical) standby current.

The output switch includes cycle-by-cycle current limiting, as

well as thermal shutdown for full protection under fault con-

ditions.

Simple high-efficiency step-down (buck) regulator

■

Efficient pre-regulator for linear regulators

On-card switching regulators

Positive to negative converter (Buck-Boost)

Typical Application

(Fixed Output Voltage Versions)

P2575/

P2575HV

-5.0

1147501

Note: Pin numbers are for the TO-220 package.

12 3 4 5 6 7...27

中文翻译

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与P1575相关器件

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P1580	UTC	获取价格	380KHz, 2.5A STEP-DOWN SWITCHING REGULATOR
P1580G-SH2-R	UTC	获取价格	380KHz, 2.5A STEP-DOWN SWITCHING REGULATOR
P1583	UTC	获取价格	380KHz, 2.5A step-down switching regulator
P158-4	ETC	获取价格	VHF Lowband Yagis - Superior Construction Means System Reliability
P159	ETC	获取价格	HYDRAULIKPUMPE EINFACH 2.6CCM
P1595	UTC	获取价格	200KHZ, 1.5A PWM BUCK DC/DC CONVERTER
P1595_11	UTC	获取价格	200KHZ, 1.5A PWM BUCK DC/DC CONVERTER
P1595_15	UTC	获取价格	200KHZ, 1.5A PWM BUCK DC/DC CONVERTER

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