NCV8800SDW26R2 datasheet(1/12 Pages) ONSEMI

Part #	NCV8800SDW26R2

Description	Synchronous Buck Regulator with 1.0 Amp Switch

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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September, 2003 − Rev. 10

1

Publication Order Number:

NCV8800/D

NCV8800 Series

Synchronous Buck Regulator

with 1.0 Amp Switch

The NCV8800 is an automotive synchronous step−down buck

regulator. This part provides an efficient step−down voltage compared

to linear regulators. The NCV8800 uses very few external components

allowing for maximum use of printed circuit board space.

Features

• Output Voltage Options: 2.6 V, 3.3 V, 5.0 V, 7.5 V

• ±3.0% Output

• 3.5 V Operation

• AUXILIARY Hold Up Pin (for Cranking Conditions)

• On−Chip Switching Power Devices (0.4 Ω R

DS(ON))

• Constant Frequency

• Synchronous Operation

• On−Chip Charge Pump Control Circuitry

• Nonoverlap Logic

• Power Up Sequencing Control Option (2.6 V and 3.3 V Only)

• ENABLE Battery Voltage Capable Option

• Selectable Reset Delay

• Dual Pin Feedback Connection

• V2™ Control Topology

• Internally Fused Leads in SO−16L Package

• NCV Prefix for Automotive and Other Applications Requiring Site

and Change Control

Typical Applications

• Telecommunications

• Mobile Multimedia

• Instrumentation

• Automotive Entertainment Systems

10

20

30

40

50

60

70

80

90

100

0

100

200

300

400

500

600

700

800

LOAD CURRENT (mA)

Figure 1. Efficiency vs. Load Current

VOUT = 7.5 V

VOUT = 5.0 V

VOUT = 3.3 V

VOUT = 2.6 V

VIN = 13.5 V

L =100

mH

0

SO−16L

DW SUFFIX

CASE 751G

1

16

COMP

FB2

1

16

NC

FB1

VIN2

DELAY

GND

SWITCH

RESET

CP

ENABLE

VIN

AUXILIARY

PIN CONNECTIONS AND

MARKING DIAGRAM

x

= Voltage Ratings as Indicated Below:

2 = 2.6 V

3 = 3.3 V

5 = 5.0 V

7 = 7.5 V

y

= ENABLE Option as Indicated Below:

S = Sequenced

H = High Voltage

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W = Work Week

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

ORDERING INFORMATION

http://onsemi.com

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