LTC1798CS841PBF Linear Technology Corporation, LTC1798CS841PBF Datasheet

LTC1798CS841PBF

Manufacturer Part Number

LTC1798CS841PBF

Description

SOP8

Manufacturer

Linear Technology Corporation

Datasheet

1.LTC1798CS841PBF.pdf (8 pages)

Specifications of LTC1798CS841PBF

Date_code

08+

Current page: 1 of 8
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FEATURES

APPLICATIO S

TYPICAL APPLICATIO

200mV Max Dropout at 10mA Output Current

4 A Typical Quiescent Current

0.15% Max Initial Accuracy

No Output Capacitor Required

Output Sources 10mA, Sinks 2mA

40ppm/ C Max Drift

Voltage Options: 2.5V, 3V, 4.1V, 5V and Adjustable

Battery-Powered Systems

Handheld Instruments

Precision Power Supplies

A/D and D/A Converters

TO 12.6V

2.7V

2.5V Battery-Powered Reference

0.1 F

LTC1798-2.5

GND

OUT

1798 TA01

2.5V

DESCRIPTIO

The LTC

LTC1798-5 are micropower bandgap references that com-

bine high accuracy and low drift with very low supply

current and small package size. The combination of ultralow

quiescent current and low dropout voltage of only 200mV

(max) makes them ideal for battery-powered equipment.

The output voltage is set by an external resistor divider for

the adjustable LTC1798.

This series of references uses curvature compensation to

obtain low temperature coefficient and trimmed thin-film

resistors to achieve high output accuracy. These refer-

ences can source up to 10mA and sink up to 2mA, making

them ideal for precision regulator applications. They are

stable without an output bypass capacitor, but are also

stable with capacitance up to 1 F. This feature is important

in critical applications where PC board space is a premium

and fast settling is demanded.

The LTC1798 series references provided power dissipa-

tion advantages over shunt references. In addition to

supply current, shunt references must also idle the entire

load current to operate.

The LTC1798 series is available in the SO-8 package.

, LTC and LT are registered trademarks of Linear Technology Corporation.

1798/LTC1798-2.5/LTC1798-3/LTC1798-4.1/

– 2

– 3

– 4

–1

Dropout References

–40

LTC1798-2.5 Temperature Drift

–20

Micropower Low

TEMPERATURE ( C)

LTC1798 Series

1798 TA02

100

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