NCP121AMX185TCG datasheet(1/8 Pages) ONSEMI

Part #	NCP121AMX185TCG

Description	High Accuracy Very Low Dropout Bias Rail CMOS Voltage Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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March, 2015 − Rev. 0

1

Publication Order Number:

NCP121/D

NCP121

150 mA, High Accuracy,

Very Low Dropout Bias Rail

CMOS Voltage Regulator

The NCP121 is a high accuracy 150 mA VLDO equipped with

NMOS pass transistor and a separate bias supply voltage (VBIAS). The

device provides stable, very accurate output voltage with low noise

suitable for space constrained, noise sensitive applications. In order to

optimize performance for battery operated portable applications, the

NCP121 features low IQ consumption. The XDFN6 1.2 mm x 1.2 mm

package is optimized for use in space constrained applications.

Features

• Input Voltage Range: 0.8 V to 5.5 V

• Bias Voltage Range: 2.4 V to 5.5 V

• Fixed Output Voltage Device

• Output Voltage Range: 0.8 V to 2.1 V

• ±1.0% Accuracy over Line, Load and Temperature, 0.2% VOUT @

25

°C

• Ultra−Low Dropout: 75 mV Maximum at 150 mA

• Very Low Bias Input Current of Typ. 80 mA

• 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

• Stable with a 1 mF Ceramic Capacitor

• Available in XDFN6 − 1.2 mm x 1.2 mm x 0.4 mm package

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

Compliant

Typical Applications

• Battery−powered Equipment

• Smartphones, Tablets

• Cameras, DVRs, STB and Camcorders

BIAS

IN

EN

OUT

GND

1

mF

VOUT

1.05 V @ 150 mA

VBIAS

2.7 V

VIN

1.2 V

VEN

1

mF

100 nF

NCP121

Figure 1. Typical Application Schematics

www.onsemi.com

See detailed ordering, marking and shipping information on

page 7 of this data sheet.

ORDERING INFORMATION

MARKING

DIAGRAM

PIN CONNECTIONS

Thermal

T

Pad

1

2

3

6

5

4

OUT

NC

EN

IN

GND

BIAS

(Top VIew)

XDFN6

CASE 711AT

X M

X

= Specific Device Code

M

= Date Code

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