NCV85081BPD50R2G datasheet(1/22 Pages) ONSEMI

Part #	NCV85081BPD50R2G

Description	5.0 V and 3.3 V, 250 mA LDO with Watchdog and RESET

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Manufacturer	ONSEMI [ON Semiconductor]

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March, 2011 − Rev. 3

1

Publication Order Number:

NCV8508B/D

NCV8508B

5.0 V and 3.3 V, 250 mA

LDO with Watchdog and

RESET

The NCV8508B is a precision micropower Low Dropout (LDO)

voltage regulator. The part contains many of the required features for

powering microprocessors. Its robustness makes it suitable for severe

automotive environments. In addition, the NCV8508B is ideal for use

in battery operated, microprocessor controlled equipment because of

its extremely low quiescent current.

Features

• Output Voltage: 5.0 V and 3.3 V

• ±3.0% Output Voltage

• IOUT Up to 250 mA

• Quiescent Current Independent of Load

• Micropower Compatible Control Functions:

♦ Wakeup

♦ Watchdog

♦ RESET

• Low Quiescent Current (100 mA typ)

• Protection Features:

♦ Thermal Shutdown

♦ Short Circuit

♦ 45 V Operation

• NCV Prefix for Automotive and Other Applications Requiring Site

and Change Controls

• AEC Qualified

• PPAP Capable

• These are Pb−Free Devices

Figure 1. Application Circuit

C1*

VOUT

GND

VIN

WDI

NCV8508B

1.0 mF

I/O

RESET

0.1 mF

C2

Delay

RDelay

60 k

VBAT

*C1 required if regulator is located far from power supply filter.

VDD

WAKEUP

MRA4004T3

See detailed ordering and shipping information in the package

dimensions section on page 20 of this data sheet.

ORDERING INFORMATION

MARKING

DIAGRAMS

xx, x

= Voltage Option

5.0 V (xx = 50, x = 5)

3.3 V (xx = 33, x = 3)

y

= Timing Option

(see Page 4 for more details)

1 (Delay Time = 3 ms @ RDelay = 60k)

2 (Delay Time = 9 ms @ RDelay = 60k)

A

= Assembly Location

WL, L = Wafer Lot

YY, Y

= Year

WW, W = Work Week

G or G =Pb−Free Package

http://onsemi.com

D2PAK−7

DS SUFFIX

CASE 936AB

508yBx

ALYW

G

1

8

SO−8 EP

PD SUFFIX

CASE 751AC

1

8

V8508yBxx

AWLYWWG

1

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NCV85081BPD50R2G Datasheet(PDF) 1 Page - ON Semiconductor

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