TIP47 TIP49 TIP48 TIP50

4

Motorola Bipolar Power Transistor Device Data

Figure 8. Inductive Load Switching

Note A: Input pulse width is increased until ICM = 0.63 A.

INPUT

50

MJE171

RBB1 =

150

Ω

100 mH

RBB2 =

100

Ω

VBB2 =

0

VBB1 = 10 V

VCE MONITOR

TUT

VCC = 20 V

IC MONITOR

RS =

0.1

Ω

50

0.63 A

0 V

– 5 V

tw ≈ 3 ms

(SEE NOTE A)

INPUT

VOLTAGE

COLLECTOR

CURRENT

COLLECTOR

VOLTAGE

VCER

0 V

10 V

100 ms

VCE(sat)

IC, COLLECTOR CURRENT (AMPS)

Figure 9. DC Current Gain

100

200

0.04 0.06

0.2

2.0

0.02

60

40

20

10

6.0

4.0

0.1

Figure 10. “On” Voltages

VCE = 10 V

2.0

0.6

1.0

0.4

25

°C

TJ = 150°C

– 55

°C

1.4

0.02

IC, COLLECTOR CURRENT (AMPS)

1.0

0.8

0.4

1.2

0.6

0.2

0

0.04 0.06

0.1

0.2

0.4 0.6

1.0

2.0

VBE(sat) @ IC/IB = 5.0 V

VBE(on) @ VCE = 4 V

VCE(sat) @ IC/IB = 5.0 V