ncp1404sn50t1 ON Semiconductor, ncp1404sn50t1 Datasheet

ncp1404sn50t1

Manufacturer Part Number

ncp1404sn50t1

Description

350 Ma Pwm/pfm Step-up Dc-dc Converter With Low Battery Detector

Manufacturer

ON Semiconductor

Datasheet

1.NCP1404SN50T1.pdf (8 pages)

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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.

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.

Features

Typical Applications

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

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

June, 2002 – Rev. 0

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

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

Duty Ratio:

Low Start–Up Voltage of 0.8 V

PWM Oscillator Frequency of 600 kHz at 20% Accuracy

High Efficiency 85% at I

Output Current up to 350 mA at V

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

Output Voltage Accuracy 2.5%

Low Battery Detection with Open–drain Detector Output

Separated Power Supply Pin

Low Profile and Minimum External Parts

Micro Miniature TSOP–6

Digital Cameras

Cellular Telephones

Personal Digital Assistants (PDA)

Camcorders

Electronic Games

Pagers

Portable Audio (MP3)

Handheld Instruments

Semiconductor Components Industries, LLC, 2002

17% typ. PFM Control

OUT

= 200 mA, V

= 2.5 V, V

OUT

= 3.3 V

OUT

= 3.3 V

See specific marking information in the ordering information

table on page 3 of this data sheet.

NCP1404SN19T1

NCP1404SN27T1

NCP1404SN30T1

NCP1404SN33T1

NCP1404SN50T1

Device

OUT

ORDERING INFORMATION

LBI

PIN CONNECTIONS AND

XX = Specific Device Code

MARKING DIAGRAM

http://onsemi.com

= Date Code

CASE 318G

SN SUFFIX

(Top View)

TSOP–6

Package

TSOP–6

Publication Order Number:

3000/T ape & Reel

LBO

GND

Shipping

NCP1404/D

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