TPIC5421L

HBRIDGE GATEPROTECTED LOGICLEVEL

POWER DMOS ARRAY

SLIS027A − OCTOBER 1994 − REVISED OCTOBER 1995

5

POST OFFICE BOX 655303

POST OFFICE BOX 1443

PARAMETER MEASUREMENT INFORMATION

trr(SD)

IRM(REC)†

Reverse di/dt = 100 A/

µs

25% of IRM†

† IRM(REC) = maximum recovery current

Shaded Area = QRR

Time − ns

0

25

50

75

100

125

150

− 0.5

− 1

− 1.5

− 2

− 2.5

1

0.5

175

200

225

250

0

1.5

VDS = 48 V

VGS = 0

Z1 and Z3‡

‡ The above waveform is representative of Z2, Z4, D1, and D2 in shape only.

Figure 1. Reverse-Recovery-Current Waveforms of Source-to-Drain Diode

Pulse Generator

50

Ω

Rgen

50

Ω

VGS

VDD = 25 V

DUT

VDS

TEST CIRCUIT

VDD

VDS(on)

tf2

td(on)

tr2

td(off)

VOLTAGE WAVEFORMS

VGS

VDS

RL

CL = 30 pF

(see Note A)

tf1

tr1

5 V

0 V

NOTE A: CL includes probe and jig capacitance.

Figure 2. Resistive-Switching Test Circuit and Voltage Waveforms