NCP1573D

更新时间： 2024-09-20 04:37:59

品牌	Logo	应用领域
安森美 - ONSEMI		开关光电二极管控制器
页数	文件大小	规格书
17页	383K
描述
Low Voltage Synchronous Buck Controller

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NCP1573D 数据手册

NCP1573

Low Voltage Synchronous

Buck Controller

The NCP1573 is a low voltage buck controller. It provides the

control for a DC−DC power solution producing an output voltage as

low as 0.980 V over a wide current range. The NCP1573−based

solution is powered from 12 V with the output derived from a 2−7 V

supply. It contains all required circuitry for a synchronous NFET buck

http://onsemi.com

regulator using the V ™ control method to achieve the fastest possible

transient response and best overall regulation. NCP1573 operates at a

fixed internal 200 kHz frequency and is packaged in an SO−8.

This device provides Power Good with delay and built−in adaptive

non−overlap.

SO−8

D SUFFIX

CASE 751

Features

PIN CONNECTIONS AND

MARKING DIAGRAM

• 0.980 V ± 1.0% Reference Voltage

• V Control Topology

GND

• 200 ns Transient Response

• Power Good

PWRGD

PGDELAY

COMP

GATE(L)

GATE(H)

• Programmable Power Good Delay

• 40 ns Gate Rise and Fall Times (3.3 nF Load)

• Adaptive FET Non−Overlap Time

• Fixed 200 kHz Oscillator Frequency

• On/Off Control Through Use of the COMP Pin

• Overvoltage Protection through Synchronous MOSFETs

• Synchronous N−Channel Buck Design

• Dual Supply, 12 V Control, 2−7 V Power Source

= Assembly Location

= Wafer Lot

= Year

= Work Week

ORDERING INFORMATION

Device

Package

Shipping

NCP1573D

98 Units/Rail

SO−8

NCP1573DR2

2500 Tape & Reel

Semiconductor Components Industries, LLC, 2006

Publication Order Number

July, 2006 − Rev. 4

NCP1573/D

12 3 4 5 6 7...17

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