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Typical Application Circuit

SMPS

_

+

OPAMP2

_

+

OPAMP1

TL103W/A

Current

Sense

AC

Line

Opto

Isolator

Battery

R6

R3

R4

R5

R8

R2

R1

R7

R9

Constant Voltage Control

Constant Current Control

2.5 V

TL103W, TL103WA

DUAL OPERATIONAL AMPLIFIERS

WITH INTERNAL REFERENCE

SLOS437J – APRIL 2004 – REVISED JULY 2005

ORDERING INFORMATION

TOLERANCE

ORDERABLE PART NUMBER

TOP-SIDE MARKING

(25

°C)

QFN (DRJ)

Reel of 1000

TL103WAIDRJR

PREVIEW

A grade

Tube of 75

TL103WAID

3 mV, 0.4%

SOIC (D)

Z103WQ

Reel of 2500

TL103WAIDR

–40

°C to 105°C

QFN (DRJ)

Reel of 1000

TL103WIDRJR

PREVIEW

Standard grade

Tube of 75

TL103WID

4 mV, 0.7%

SOIC (D)

Z103W

Reel of 2500

TL103WIDR

(1)

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

Figure 1. TL103W/A in a Constant-Current and Constant-Voltage Battery Charger

2