NPN MPS8098 MPS8099 PNP MPS8598 MPS8599

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3

Figure 1. MPS8098, MPS8099, MPS8598 and MPS8599 Thermal Response

t, TIME (ms)

1.0

2.0

5.0

10

20

50

100

200

500

1.0 k

2.0 k

5.0 k

10 k

20 k

50 k 100 k

0.03

0.02

0.1

0.07

0.05

0.01

0.3

0.2

1.0

0.7

0.5

ZθJC(t) = r(t) • RθJC

TJ(pk) - TC = P(pk) ZθJC(t)

ZθJA(t) = r(t) • RθJA

TJ(pk) - TA = P(pk) ZθJA(t)

D CURVES APPLY FOR

POWER PULSE TRAIN

SHOWN READ TIME AT t1

(SEE AN469)

t1

t2

DUTY CYCLE, D = t1/t2

P(pk)

D = 0.5

0.2

0.1

0.02 0.01

SINGLE PULSE

SINGLE PULSE

0.05

Figure 2. Switching Time Test Circuits

OUTPUT

TURN-ON TIME

-1.0 V

VCC

+40 V

RL

* CS t 6.0 pF

RB

100

100

Vin

5.0 mF

tr = 3.0 ns

0

+10 V

5.0 ms

OUTPUT

TURN-OFF TIME

+VBB

VCC

+40 V

RL

* CS t 6.0 pF

RB

100

100

Vin

5.0 mF

tr = 3.0 ns

5.0 ms

*Total Shunt Capacitance of Test Jig and Connectors

For PNP Test Circuits, Reverse All Voltage Polarities