ZXSC380

Issue 1 - March 2007

2

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© Zetex Semiconductors plc 2007

Absolute maximum ratings

-0.6V to 10V

-0.6V to 20V

Supply current

20mA

Output switch current

200mA

Power dissipation SOT23-3

450mW

Power dissipation die

1W

Operating temperature range

0°C to +85°C

Storage temperature range

-55°C to +150°C

Electrical characteristics

Pin descriptions

Pin descriptions

Ordering information

Parameter

Conditions

Limits

Units

Min.

Typ.

Max.

Supply voltage operating range

0.8

6

V

Minimum supply start-up voltage

0.9

1.0

V

Switch current

65

80

95

mA

Switch saturation voltage

0.3

0.5

V

Mean LED current

18

mA

Efficiency

75

%

Operating frequency

160

kHz

Discharge pulse width

1.4

2.2

3.0

s

Pin No.

Name

Description

Supply voltage, generally Alkaline, NiMH or NiCd single cell

2

GND

Ground

Switch output external inductor/LED

Device

Package

Part Mark

ZXSC380FH

SOT23

380

GND

Top view

1

2

3