LND2931

TYPICAL APPLICATIONS

Wide Input Voltage Range Current Limiter

5V Current Limiter

Latch Off When Error Flag Occurs

Low Drift Current Source

ERROR

7

V

LND2931

+V

3

ERROR

IN

SHUTDOWN

OUT

+V

*Minimum input-output voltage ranges from

40mV to 400mV, depending on load current.

Current limit is typically 160mA.

4

V

5

1

8

FB

OUT

GND

IN

*V

INPUT

IN

OUTPUT

*V

*Minimum input-output voltage ranges from

40mV to 400mV, depending on load current.

Current limit is typically 160mA.

GND

µ

IN

LND2931

V

5V BUS

1 F

OUT

+V

5V

OUT

+

5

8

FB

Ω

R1

SD

+V

GND

1 F

OUT

IN

Ω

470k

IN

1

V

OUT

R2

ERROR

V

3

µ

LND2931

470k

RESET

+V

4

7

+

µ

R

+V=

SHUTDOWN

I

I

*V

LOAD

4

1%

LND2931

7

L

3

= 1.23/R

OUT

1.2

30V

1

F

SD

1

L

V

IN

OUT

INPUT

V

8

µ

1

F

FB

GND

+

• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •