TPIC2202

2CHANNEL COMMONSOURCE POWER DMOS ARRAY

SLIS017 − SEPTEMBER 1992

2−4

POST OFFICE BOX 655303

POST OFFICE BOX 1443

PARAMETER MEASUREMENT INFORMATION

Qg

10 V

WAVEFORM

Qgd

Time

Gate Voltage

VGS

12-V

Battery

0.2

µF

50 k

Ω

0.3

µF

Current

Regulator

DUT

Same Type

as DUT

IG = 1 mA

IG Current-

Sampling Resistor

ID Current-

Sampling Resistor

TEST CIRCUIT

0

Qgs = Qg − Qgd

VDD = 48 V

Figure 3. Gate Charge Test Circuit and Waveform

25 V

2.5 mH

ID

tw

tav

IAS

V(BR)DSX = 60 V MIN

VOLTAGE AND CURRENT WAVEFORMS

0

0

0

ID

VDS

DUT

VDS

TEST CIRCUIT

(see Note B)

50

Ω

50

Ω

Pulse Generator

Rgen

VGS

VGS

15 V

NOTES: A. The pulse generator has the following characteristics: tr ≤ 10 ns, tf ≤ 10 ns, ZO = 50 Ω.

B. Input pulse duration (tw) is increased until peak current IAS = 7.5 A.

Energy test level is defined as E

AS +

I

AS

V

(BR)DSX

tav

2

+ 120 mJ min.

Figure 4. Single-Pulse Avalanche Energy Test Circuit and Waveforms