P2/21

Rev. C, Sep 2005

ML1565

■ Function Diagram

Parameter

Ratings

Unit

OUTSU_, INSD, SDOK, ON_, FB_, FBSEL_ to GND

-0.3V to +6V

V

PGND to GND

-0.3V to +0.3V

V

DL_ to PGND

-0.3V to OUTSU + 0.3V

V

LXSU Current(Note 1)

3.6A

A

LXSU Current(Note 1)

2.25A

A

REF, OSC, COMP_ to GND

-0.3V to OUTSU + 0.3V

V

32-Pin Thin QFN (derate 22mW/℃above +70℃)

1700mW

mW

Operating Temperature Range

-40℃to + 85℃

℃

Junction Temperature

℃

Storage Temperature Range

℃

Lead Temperature (soldering, 10s)

℃

Note 1: LXSU has internal clamp diodes to OUTSU and PGND, and LXSD has internal clamp diodes to

INSD and PGND.

Applications that forward bias these diodes should take care not to exceed the devices power

dissipation limits.