TPIC5403

4-CHANNEL INDEPENDENT GATE-PROTECTED

POWER DMOS ARRAY

SLIS038A – SEPTEMBER 1994 – REVISED SEPTEMBER 1995

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

Qg

10 V

VOLTAGE 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

0

IG = 100 µA

IG Current-

Sampling Resistor

ID Current-

Sampling Resistor

VDD

TEST CIRCUIT

Qgs(th)

VDS

Figure 3. Gate-Charge Test Circuit and Voltage Waveform

VDD = 25 V

159

µH

ID

tw

tav

IAS

V(BR)DSX = 60 V Min

VOLTAGE AND CURRENT WAVEFORMS

0 V

0 V

0 V

ID

VDS

DUT

VDS

TEST CIRCUIT

(see Note A)

(see Note B)

Pulse Generator

50

Ω

Rgen

50

Ω

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 = 11.25 A.

Energy test level is defined as E

AS +

I

AS

V

(BR)DSX

tav

2

+ 17.2 mJ.

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