NCP1404 ONSEMI [ON Semiconductor], NCP1404 Datasheet

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NCP1404

Manufacturer Part Number
NCP1404
Description
350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
Product Preview
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
IN
= 2.5 V, V
IN
= 2.5 V, V
OUT
= 3.3 V
OUT
1
= 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
V
LBI
PIN CONNECTIONS AND
DD
XX = Specific Device Code
d
MARKING DIAGRAM
http://onsemi.com
= Date Code
1
2
3
6
CASE 318G
SN SUFFIX
(Top View)
TSOP–6
Package
TSOP–6
TSOP–6
TSOP–6
TSOP–6
TSOP–6
1
Publication Order Number:
6
5
4
3000/T ape & Reel
3000/T ape & Reel
3000/T ape & Reel
3000/T ape & Reel
3000/T ape & Reel
LX
LBO
GND
Shipping
NCP1404/D

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NCP1404 Summary of contents

Page 1

... Product Preview The NCP1404 series are monolithic PWM/PFM step– 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 ...

Page 2

... R 1 LB1 LB2 Figure 1. Typical Step–Up Converter Application OUT 2 ERROR AMPLIFIER 0.5 V VOLTAGE SOFT–START REFERENCE GND Figure 2. Representative Block Diagram NCP1404 Series MBRM110LT1 LBI LBO OUT MCU V GND DRIVER PWM/PFM CONTROLLER OSCILLATOR 0 ...

Page 3

... Human Body Model (HBM) "2.0 kV per JEDEC standard: JESD22–A114. Machine Model (MM) "200 V per JEDEC standard: JESD22–A115. 2. Latch–up Current Maximum Rating: "150 mA per JEDEC standard: JESD78. 3. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J–STD–020A. NCP1404 Series Description Frequency Device Marking ...

Page 4

... Operating current is the current consumption of the device in PWM mode switching operating current is the current consumption of the device when there is no switching load operating current is the current consumption of the device in PFM mode at no load. NCP1404 Series (For all values T = 25_C unless otherwise noted ...

Page 5

... Other Application Circuit LB1 R LB2 NCP1404 Series MGSF1P02LT1 MBR0520LT1 820 LBI LBO OUT GND GND Figure 3. Step–down Application http://onsemi.com OUT 3 MCU I/O Pin ...

Page 6

... NCP1404 Series PACKAGE DIMENSIONS TSOP–6 CASE 318G–02 ISSUE http://onsemi.com ...

Page 7

... Notes NCP1404 Series http://onsemi.com 7 ...

Page 8

... Fax: 303–675–2176 or 800–344–3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800–282–9855 Toll Free USA/Canada NCP1404 Series JAPAN: ON Semiconductor, Japan Customer Focus Center 4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–0031 Phone: 81–3–5740–2700 Email: r14525@onsemi ...

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