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參數(shù)資料
| 型號： | NCP1400ASN38T1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 100mA, Fixed Frequency PWM Step-Up Micropower Switching Regulator |
| 中文描述： | 0.4 A SWITCHING REGULATOR, 216 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | TSOT-23, 5 PIN |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 138K |
| 代理商： | NCP1400ASN38T1 |
Semiconductor Components Industries, LLC, 2004
June, 2004 Rev. 9
1
Publication Order Number:
NCP1400A/D
NCP1400A
100 mA, Fixed Frequency
PWM StepUp Micropower
Switching Regulator
The NCP1400A series are micropower stepup DC to DC
converters that are specifically designed for powering portable
equipment from one or two cell battery packs. These devices are
designed to startup with a cell voltage of 0.8 V and operate down to
less than 0.2 V. With only four external components, this series allows
a simple means to implement highly efficient converters that are
capable of up to 100 mA of output current.
Each device consists of an onchip fixed frequency oscillator, pulse
width modulation controller, phase compensated error amplifier that
ensures converter stability with discontinuous mode operation,
softstart, voltage reference, driver, and power MOSFET switch with
current limit protection. Additionally, a chip enable feature is provided
to power down the converter for extended battery life.
The NCP1400A device series are available in the Thin SOT235
package with seven standard regulated output voltages. Additional
voltages that range from 1.8 V to 4.9 V in 100 mV steps can be
manufactured.
Features
Extremely Low StartUp Voltage of 0.8 V
Operation Down to Less than 0.2 V
Only Four External Components for Simple Highly Efficient
Converters
Up to 100 mA Output Current Capability
Fixed Frequency Pulse Width Modulation Operation
Phase Compensated Error Amplifier for Stable Converter Operation
Chip Enable Power Down Capability for Extended Battery Life
PbFree Packages are Available
Typical Applications
Cellular Telephones
Pagers
Personal Digital Assistants
Electronic Games
Digital Cameras
Camcorders
Handheld Instruments
White LED Torch Light
THIN SOT235
SN SUFFIX
CASE 483
1
5
PIN CONNECTIONS AND
MARKING DIAGRAM
1
3
GND
CE
2
OUT
NC
4
LX
5
x
(Top View)
xxx = Marking
Y
= Year
W
= Work Week
See detailed ordering and shipping information in the ordering
information section on page 2 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
1
3
GND
4
CE
2
OUT
NC
LX
5
N
V
OUT
V
IN
Figure 1. Typical StepUp Converter
Application
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1400ASN38T1G | 功能描述:直流/直流開關轉換器 3.8V 100mA Boost PWM Fixed Frequency RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| NCP1400ASN45T1 | 功能描述:直流/直流開關轉換器 4.5V 100mA Boost PWM RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| NCP1400ASN45T1G | 功能描述:直流/直流開關轉換器 4.5V 100mA Boost PWM Fixed Frequency RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| NCP1400ASN50T1 | 功能描述:直流/直流開關轉換器 5V 100mA Boost PWM RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| NCP1400ASN50T1G | 功能描述:直流/直流開關轉換器 5V 100mA Boost PWM Fixed Frequency RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
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