MPS3640

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Max

Unit

ON CHARACTERISTICS(1)

DC Current Gain

(IC = –10 mAdc, VCE = –0.3 Vdc)

(IC = –50 mAdc, VCE = –1.0 Vdc)

hFE

30

20

120

—

—

Collector – Emitter Saturation Voltage

(IC = –10 mAdc, IB = –1.0 mAdc)

(IC = –50 mAdc, IB = –5.0 mAdc)

(IC = –10 mAdc, IB = –1.0 mAdc, TA = 65°C)

VCE(sat)

—

—

—

–0.2

–0.6

–0.25

Vdc

Base – Emitter Saturation Voltage

(IC = –10 mAdc, IB = –0.5 mAdc)

(IC = –10 mAdc, IB = –1.0 mAdc)

(IC = –50 mAdc, IB = –5.0 mAdc)

VBE(sat)

–0.75

–0.75

—

–0.95

–1.0

–1.5

Vdc

SMALL– SIGNAL CHARACTERISTICS

Current – Gain — Bandwidth Product

(IC = –10 mAdc, VCE = –5.0 Vdc, f = 100 MHz)

fT

500

—

MHz

Output Capacitance

(VCB = –5.0 Vdc, IE = 0, f = 1.0 MHz)

Cobo

—

3.5

pF

Input Capacitance

(VEB = –0.5 Vdc, IC = 0, f = 1.0 MHz)

Cibo

—

3.5

pF

SWITCHING CHARACTERISTICS

Delay Time

(VCC = –6.0 Vdc, IC = –50 mAdc, VBE(off) = –1.9 Vdc,

IB1 = –5.0 mAdc)

td

—

10

ns

Rise Time

IB1 = –5.0 mAdc)

tr

—

30

ns

Storage Time

(VCC = –6.0 Vdc, IC = –50 mAdc, IB1 = IB2 = –5.0 mAdc)

ts

—

20

ns

Fall Time

tf

—

12

ns

Turn–On Time

(VCC = –6.0 Vdc, IC = –50 mAdc, IB1 = –5.0 mAdc)

(VCC = –1.5 Vdc, IC = –10 mAdc, IB1 = –0.5 mAdc)

ton

—

—

25

60

ns

Turn–Off Time

(VCC = –6.0 Vdc, IC = –50 mAdc, IB1 = IB2 = –5.0 mAdc)

(VCC = –1.5 Vdc, IC = –10 mAdc, IB1 = IB2 = –0.5 mAdc)

toff

—

—

35

75

ns

1. Pulse Test: Pulse Width

v 300 ms, Duty Cycle v 2.0%.

VBB = +1.9 V VCC = –6.0 V

0

–6.8 V

Vin

51

0.1

µF

1.0 k

110

Vout

680

PULSE SOURCE

RISE TIME

≤ 1.0 ns

PULSE WIDTH

≥ 100 ns

Zin = 50 OHMS

FALL TIME

≤ 1.0 ns

TO SAMPLING SCOPE

INPUT Z

≥ 100 k

RISE TIME

≤ 1.0 ns

NOTES: Collector Current = 50 mA,

VBB = –6.0 V VCC = 1.5 V

0

5.0 V

Vin

51

0.1

µF

5.0 k

130

Vout

5.0 k

PULSE SOURCE

RISE TIME

≤ 1.0 ns

PULSE WIDTH

≥ 200 ns

Zin = 50 OHMS

FALL TIME

≤ 1.0 ns

TO SAMPLING SCOPE

INPUT Z

≥ 100 k

RISE TIME

≤ 1.0 ns

Figure 1.

Figure 2.

NOTES: Collector Current = 10 mA,