TN3725A View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

MFG CO.

TN3725A

NPN Switching Transistor

Fairchild Semiconductor 

AC Typical Characteristics (continued)

Fall Time vs. Turn On

and Turn Off Base Currents

NPN Switching Transistor

(continued)

Fall Time vs. Turn On

and Turn Off Base Currents

POWER DISSIPATION vs

AMBIENT TEMPERATURE

1

0.75

TO-226

SOT-223

0.5

0.25

0

0

25

50

75

100 125 150

TEMPERATURE (oC)

Test Circuit

3.8 V

30 V

VIN = 9.7 V

tr and tf ≤ 1 ns

PW = 1.0 µs

ZIN = 50 Ω

Duty Cycle < 2%

VIN

10 µF

62 Ω

15 Ω

1.0 KΩ

43 Ω

100 Ω

VOUT

1.0 µF

To sampling scope

tr < 1.0 ns

ZIN ≥ 100 KΩ

FIGURE 1: Switching Time Test Circuit

(IC = 500 mA, IB1 = 50 mA, IB2 = 50 mA)

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