參數(shù)資料
型號(hào)： NCP1404SN50T1
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： 350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
中文描述： 1 A SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO6
封裝： TSOP-6
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 49K
代理商： NCP1404SN50T1
Semiconductor Components Industries, LLC, 2002
June, 2002 – Rev. 0
1
Publication Order Number:
NCP1404/D
NCP1404 Series
Product Preview
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.
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.
Features
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
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
Typical Applications
Digital Cameras
Cellular Telephones
Personal Digital Assistants (PDA)
Camcorders
Electronic Games
Pagers
Portable Audio (MP3)
Handheld Instruments
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
TSOP–6
SN SUFFIX
CASE 318G
1
PIN CONNECTIONS AND
MARKING DIAGRAM
(Top View)
http://onsemi.com
6
Device
Package
Shipping
ORDERING INFORMATION
NCP1404SN19T1
TSOP–6
3000/Tape & Reel
X
d
XX= Specific Device Code
d
= Date Code
LX
LBO
GND
LBI
OUT
V
DD
NCP1404SN27T1
TSOP–6
3000/Tape & Reel
NCP1404SN30T1
TSOP–6
3000/Tape & Reel
NCP1404SN33T1
TSOP–6
3000/Tape & Reel
NCP1404SN50T1
TSOP–6
3000/Tape & Reel
6
5
4
1
2
3
See specific marking information in the ordering information
table on page 3 of this data sheet.
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NCP1406V15GEVB 功能描述:電源管理IC開(kāi)發(fā)工具 NCP1406 EVAL BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
NCP1406V25GEVB 功能描述:電源管理IC開(kāi)發(fā)工具 NCP1406 EVAL BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
NCP1410DMR2 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 ANA DC-DC CONVERTER RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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