NCP4686DSN18T1G datasheet(1/17 Pages) ONSEMI

Part #	NCP4686DSN18T1G

Description	400 mA, High Accuracy, Low Input Voltage, Low Dropout Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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May, 2011 − Rev. 0

1

Publication Order Number:

NCP4686/D

NCP4686

400 mA, High Accuracy,

Low Input Voltage, Low

Dropout Regulator

The NCP4686 is CMOS Linear voltage regulators with 400 mA

output current capability. The device has very high output voltage

accuracy, low supply current and low ON−resistance transistor. The

NCP4686 is easy to use and includes output current fold−back

protection and a fully integrated constant slope circuit as a soft−start

circuit. Due to it inrush current is minimized and no output voltage

overshoots are there. A Chip Enable function is included to save

power by lowering supply current.

Features

• Operating Input Voltage Range: 1.0 V to 3.6 V

• Output Voltage Range: 0.7 V to 1.8 V (available in 0.1 V steps)

• Output Voltage Accuracy: ±0.8% (VOUT ≥ 1.0 V, TA= 25°C)

• Supply Current: 48 mA

• Dropout Voltage: 0.22 V (VOUT = 1.5 V)

• Line Regulation: 0.1%/V Typ.

• Ripple Rejection: Typ. 60 dB (f = 10 kHz)

• Stable with Ceramic Capacitors: 1 mF or more

• Current Fold Back Protection

• Build−in Constant Slope Circuit

• Available in XDFN6 1.2 x 1.2 mm, SC−70, SOT23 Packages

• These are Pb−Free Devices

Typical Applications

• Battery−powered Equipment

• Networking and Communication Equipment

• Cameras, DVRs, STB and Camcorders

• Home Appliances

Figure 1. Typical Application Schematics

VIN

VOUT

CE

GND

VIN

VOUT

NCP4686x

C1

1m

C2

1m

http://onsemi.com

See detailed ordering and shipping information in the package

dimensions section on page 14 of this data sheet.

ORDERING INFORMATION

SC−70

CASE 419A

XX, XXX, XXXX = Specific Device Code

M, MM

= Date Code

A

= Assembly Location

Y

= Year

W

= Work Week

G

= Pb−Free Package

MARKING

DIAGRAMS

(*Note: Microdot may be in either location)

XXX

XMM

SOT−23−5

CASE 1212

XXX

M

XDFN6

CASE 711AA

XX

MM

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