BCR420UFD datasheet(3/13 Pages) DIODES

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BCR420UFD / BCR421UFD

Document number: DS38588 Rev. 3 - 2

3 of 13

www.diodes.com

January 2018

Electrical Characteristics (@TA = +25°C, unless otherwise specified.)

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Collector-Emitter Breakdown Voltage

BVCEO

—

IC = 1mA

Enable Current

BCR420U

IEN

—

1.2

—

VEN = 24V

BCR421U

—

1.2

—

VEN = 3.3V

DC Current Gain

hFE

200

350

500

—

IC = 50mA; VCE = 1V

Internal Resistor

RINT

105

Ω

IRINT = 10mA

Bias Resistor

BCR420U

—

Ω

—

BCR421U

—

1.5

—

Output Current

BCR420U

IOUT

VOUT = 1.4V; VEN = 24V

BCR421U

VOUT = 1.4V; VEN = 3.3V

Output Current at

REXT = 5.1

Ω

BCR420U

IOUT

—

150

—

VOUT > 2.0V; VEN = 24V

BCR421U

—

150

—

VOUT > 2.0V; VEN = 3.3V

Voltage Drop (VREXT)

VDROP

0.85

0.95

1.05

IOUT = 10mA

Minimum Output Voltage

VOUT(MIN)

—

1.4

—

IOUT > 18mA

Output Current Change

vs. Temperature

BCR420U

ΔIOUT/IOUT

—

-0.2

—

%/°C

VOUT > 2.0V; VEN = 24V

BCR421U

—

-0.2

—

VOUT > 2.0V; VEN = 3.3V

Output Current Change

vs. Supply Voltage

BCR420U

ΔIOUT/IOUT

—

%/V

VOUT > 2.0V; VEN = 24V

BCR421U

—

VOUT > 2.0V; VEN = 3.3V

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