Datasheet > NCP139

NCP139

更新时间： 2024-12-01 02:48:47

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
9页	197K
描述
1 A, Very Low Dropout Bias Rail CMOS Voltage Regulator

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NCP139 数据手册

NCP139

1 A, Very Low Dropout Bias

Rail CMOS Voltage

Regulator

The NCP139 is a 1 A VLDO equipped with NMOS pass transistor

and a separate bias supply voltage (V ). The device provides very

BIAS

www.onsemi.com

stable, accurate output voltage with low noise suitable for space

constrained, noise sensitive applications. In order to optimize

performance for battery operated portable applications, the NCP139

MARKING

DIAGRAM

features low I consumption. The WLCSP6 1.2 mm x 0.8 mm Chip

Scale package is optimized for use in space constrained applications.

WLCSP6, 1.2x0.8

CASE 567MV

XXMG

Features

• Input Voltage Range: V

to 5.5 V

OUT

XX = Specific Device Code

= Month Code

• Bias Voltage Range: 3.0 V to 5.5 V

= Pb−Free Package

• Adjustable and Fixed Voltage Version Available

• Output Voltage Range: 0.4 V to 1.8 V (Fixed)

PIN CONNECTIONS

Output Voltage Range: 0.5 V to 3.0 V (Adjustable)

•

1% Accuracy over Temperature, 0.5% V

@ 25°C

OUT

• Ultra−Low Dropout: Typ. 50 mV at 1 A

• Very Low Bias Input Current of Typ. 35 mA

VOUT

VIN

• Very Low Bias Input Current in Disable Mode: Typ. 0.5 mA

• Logic Level Enable Input for ON/OFF Control

• Output Active Discharge Option Available

SNS/FB

GND

• Stable with a 10 mF Ceramic Capacitor

• Available in WLCSP6 − 1.2 mm x 0.8 mm, 0.4 mm pitch Package

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

VBIAS

Typical Applications

• Battery−powered Equipment

• Smartphones, Tablets

• Cameras, DVRs, STB and Camcorders

Top View

ORDERING INFORMATION

See detailed ordering, marking and shipping information on

page 7 of this data sheet.

BIAS

≥3.0 V

OUT

NCP139 − ADJ

NCP139

GND

1 mF

0.9 V up to 1 Adc,

1.3 A peaks

1 mF

0.9 V up to 1 Adc,

1.3 A peaks

BIAS

OUT

SNS

10 mF

4.7 mF

GND

Figure 1. Typical Application Schematics

Publication Order Number:

April, 2019 − Rev. 6

NCP139/D

12 3 4 5 6 7...9

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