Datasheet > NCP1404

NCP1404

更新时间： 2024-09-18 22:29:43

品牌	Logo	应用领域
安森美 - ONSEMI		转换器电池
页数	文件大小	规格书
8页	53K
描述
350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector

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NCP1404 数据手册

NCP1404 Series

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350 mA PWM/PFM Step-Up

DC-DC Converter with Low

Battery Detector

The NCP1404 series are monolithic PWM/PFM step–up DC to DC

converters which can automatically change operation mode from

PWM to PFM at light loads to improve efficiency at light loads. With

only four external components, this series allow a simple means to

implement highly efficient converters for powering up portable

equipment up to 350 mA loading.

http://onsemi.com

Additionally, this series is featured with a Low Battery Detector to

monitor battery voltage. The NCP1404 device series are available in

space–saving TSOP–6 package with five standard regulated output

voltages. Additional voltages that range from 1.8 V to 5.0 V in

100 mV steps can be manufactured.

TSOP–6

SN SUFFIX

CASE 318G

Features

PIN CONNECTIONS AND

MARKING DIAGRAM

• Low Start–Up Voltage of 0.8 V

• PWM Oscillator Frequency of 600 kHz at 20% Accuracy

• High Efficiency 85% at I_OUT= 200 mA, V_IN= 2.5 V, V_OUT= 3.3 V

• Output Current up to 350 mA at V_IN= 2.5 V, V_OUT= 3.3 V

• Duty Ratio: 17% to 85% typ. PWM Control

Duty Ratio: 17% typ. PFM Control

LBI

OUT

LBO

GND

• Output Voltage Accuracy ±2.5%

• Low Battery Detection with Open–drain Detector Output

• Separated Power Supply Pin

(Top View)

• Low Profile and Minimum External Parts

• Micro Miniature TSOP–6

XX = Specific Device Code

= Date Code

Typical Applications

• Digital Cameras

See specific marking information in the ordering information

table on page 3 of this data sheet.

• Cellular Telephones

• Personal Digital Assistants (PDA)

• Camcorders

• Electronic Games

• Pagers

ORDERING INFORMATION

Device

Package

Shipping

• Portable Audio (MP3)

• Handheld Instruments

NCP1404SN19T1

NCP1404SN27T1

NCP1404SN30T1

NCP1404SN33T1

NCP1404SN50T1

TSOP–6 3000/Tape & Reel

This document contains information on a product under development. ON Semiconductor

reserves the right to change or discontinue this product without notice.

Semiconductor Components Industries, LLC, 2002

Publication Order Number:

June, 2002 – Rev. 0

NCP1404/D

12 3 4 5 6 7 8

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与NCP1404相关器件

型号	品牌	获取价格	描述	数据表
NCP1404/D	ONSEMI	获取价格	350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
NCP1404SN19T1	ONSEMI	获取价格	350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
NCP1404SN27T1	ONSEMI	获取价格	350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
NCP1404SN30T1	ONSEMI	获取价格	350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
NCP1404SN33T1	ONSEMI	获取价格	350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
NCP1404SN50T1	ONSEMI	获取价格	350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
NCP1406	ONSEMI	获取价格	25 V/25 mA PFM Step−Up DC−DC Converter
NCP1406/D	ETC	获取价格	25 V/25 mA PFM Step-Up DC-DC Converter
NCP1406_12	ONSEMI	获取价格	25 V/25 mA PFM Step-Up DC-DC Converter
NCP1406SNT1	ONSEMI	获取价格	25 V/25 mA PFM Step−Up DC−DC Converter

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