SI7945DP datasheet(2/6 Pages) VISHAY

2 / 6 page

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Document Number: 72090

S09-0227-Rev. D, 09-Feb-09

Vishay Siliconix

Si7945DP

Notes:

a. Pulse test; pulse width

≤ 300 µs, duty cycle ≤ 2 %.

b. Guaranteed by design, not subject to production testing.

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation

of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect device reliability.

TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted

SPECIFICATIONS TJ = 25 °C, unless otherwise noted

Parameter

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Static

Gate Threshold Voltage

VGS(th)

VDS = VGS, ID = - 250 µA

- 1.0

- 3.0

Gate-Body Leakage

IGSS

VDS = 0 V, VGS = ± 20 V

± 100

Zero Gate Voltage Drain Current

IDSS

VDS = - 30 V, VGS = 0 V

- 1

µA

VDS = - 30 V, VGS = 0 V, TJ = 55 °C

- 5

On-State Drain Currenta

ID(on)

VDS ≤ - 5 V, VGS = - 10 V

- 30

Drain-Source On-State Resistancea

RDS(on)

VGS = - 10 V, ID = - 10.9 A

0.016

0.020

VGS = - 4.5 V, ID = - 8.8 A

0.025

0.031

Forward Transconductancea

gfs

VDS = - 15 V, ID = - 10.9 A

Diode Forward Voltagea

VSD

IS = - 2.9 A, VGS = 0 V

- 0.8

- 1.2

Dynamicb

Total Gate Charge

VDS = - 15 V, VGS = - 10 V, ID = - 10.9 A

Gate-Source Charge

Qgs

7.3

Gate-Drain Charge

Qgd

Turn-On Delay Time

td(on)

VDD = - 15 V, RL = 15 Ω

ID ≅ - 1 A, VGEN = - 10 V, Rg = 6 Ω

Rise Time

Turn-Off Delay Time

td(off)

130

200

Fall Time

120

Source-Drain Reverse Recovery Time

trr

IF = - 2.9 A, dI/dt = 100 A/µs

130

Output Characteristics

1234

VGS = 10 V thru 4 V

VDS - Drain-to-Source Voltage (V)

3 V

Transfer Characteristics

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

TC = 125 °C

- 55 °C

25 °C

VGS - Gate-to-Source Voltage (V)

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