NCP1402SN27T1G

更新时间： 2024-11-23 04:37:59

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器开关
页数	文件大小	规格书
18页	174K
描述
200 mA, PFM Step−Up Micropower Switching Regulator

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NCP1402SN27T1G 数据手册

NCP1402

200 mA, PFM Step−Up

Micropower Switching

Regulator

The NCP1402 series are monolithic micropower step−up DC to DC

converter that are specially 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

0.3 V. With only three external components, this series allow a simple

means to implement highly efficient converters that are capable of up

http://onsemi.com

to 200 mA of output current at V = 2.0 V, V

= 3.0 V.

OUT

Each device consists of an on−chip PFM (Pulse Frequency

Modulation) oscillator, PFM controller, PFM comparator, soft−start,

voltage reference, feedback resistors, 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.

SOT23−5

(TSOP−5, SC59−5)

SN SUFFIX

CASE 483

The NCP1402 device series are available in the Thin SOT−23−5

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.

PIN CONNECTIONS AND

MARKING DIAGRAM

OUT

Features

• Extremely Low Startup Voltage of 0.8 V

• Operation Down to Less than 0.3 V

GND

(Top View)

xxx = Marking

• High Efficiency 85% (V = 2.0 V, V

= 3.0 V, 70 mA)

= 1.9 V)

OUT

• Low Operating Current of 30 ꢀ A (V

OUT

= Assembly Location

= Year

= Work Week

• Output Voltage Accuracy 2.5%

• Low Converter Ripple with Typical 30 mV

• Only Three External Components Are Required

• Chip Enable Power Down Capability for Extended Battery Life

• Micro Miniature Thin SOT−23−5 Packages

• Pb−Free Packages are Available

= Pb−Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 3 of this data sheet.

Typical Applications

• Cellular Telephones

• Pagers

• Personal Digital Assistants (PDA)

• Electronic Games

• Portable Audio (MP3)

• Camcorders

• Digital Cameras

• Handheld Instruments

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

March, 2006 − Rev. 7

NCP1402/D

12 3 4 5 6 7...18

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NCP1402SN27T1G 替代型号

型号	品牌	替代类型	描述	数据表
NCP1402SN27T1	ONSEMI	完全替代	200 mA, PFM Step-Up Micropower Switching Regulator

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