Pin Description

PIN

NAME

FUNCTION

1

GND

Ground reference

2

GND

Ground reference, device substrate, connect to ground.

3

RESET

LM3722/LM3724

Active-low output. RESET remains low while V

voltage, and for 190 ms after V

RESET

LM3723

Active-high output. RESET remains high while V

for 190 ms after V

4MR

Active-low input. Reset is asserted whenever this pin is pulled low and remains

asserted for 190 ms after the MR pin goes high. May be left open.

5V

CC

Supply Voltage (+5V, +3.3V, or +2.5V, nominal)

Block Diagram

LM3722/LM3723/LM3724 Block Diagram

20014435

www.national.com

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