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REV. A

STRUCT URE

Silicon Monolithic Integrated Circuit

PRODUCT SERIES

Strobe Charge Control IC

TY

P

E

ＢＤ４２２３ＦＵＪ

Fu nc t i ons

1.

Built-in Low Vth DMOS 45V

2.

Adjustable transformer primary-side peak current by RADJ pin

3.

Standby mode switching with the START pin.

4.

Includes charge complete signal output (FULL) pin.

Includes charge voltage detection (VC) pin (can be set externally).

5.

Built-in thermal shutdown circuit (TSD).

Built-in under voltage looked out (UVLO).

6.

Built-in transformer secondary-side OPEN, SHORT protection.

7.

SSOP 10pin package TSSOP-C10J(3.0mm×4.9mm×1.1mm)

○ Absolute maximum ratings(Ta=25℃)

Reduced by

4.32 mW/°C over Ta = 25°C. (When mounted on 74.2 mm

 74.2 mm  1.6 mm, glass epoxy)

○ Recommended operating ranges

Parameter

Symbol

Limit

Unit

VCC pin

VCC

-0.3 to 7

V

SW pin

VSW

45

V

VC pin

VC

-0.3 to 7

V

START pin

START

-0.3 to7

V

FULL pin

FULL

-0.3 to7

V

IGBT_IN pin

IGBT_IN

-0.3 to 7

V

Operating temperature

Topr

−35 to 85

°C

Storage temperature range

Tstg

−55 to 150

°C

Junction temperature

Tjmax

150

°C

Power dissipation

Pd

540

mW

Parameter

Symbol

Limit

Unit

VCC

2.5 to 5.5

V

VC pin input voltage range

VC

-0.3 to VCC

V

VSTART

0 to VCC

V

VIGBT_IN

0 to VCC

V

VFULL

0 to 5.5

V