SI7844DP datasheet(2/4 Pages) VISHAY

Part #	SI7844DP

Description	Dual N-Channel 30-V (D-S) MOSFET

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Manufacturer	VISHAY [Vishay Siliconix]

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Si7844DP

Vishay Siliconix

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Document Number: 71328

S-02456—Rev. A, 06-Nov-00

SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Static

Gate Threshold Voltage

VGS(th)

VDS = VGS, ID = 250 mA

0.8

V

Gate-Body Leakage

IGSS

VDS = 0 V, VGS = "20 V

"100

nA

VDS = 24 V, VGS = 0 V

1

m

Zero Gate Voltage Drain Current

IDSS

VDS = 24 V, VGS = 0 V, TJ = 55_C

5

mA

On-State Drain Currenta

ID(on)

VDS w 5 V, VGS = 10 V

20

A

a

VGS = 10 V, ID = 10 A

0.018

0.022

W

Drain-Source On-State Resistancea

rDS(on)

VGS = 4.5 V, ID = 8.5 A

0.024

0.030

W

Forward Transconductancea

gfs

VDS = 15 V, ID = 10 A

22

S

Diode Forward Voltagea

VSD

IS = 2.9 A, VGS = 0 V

0.75

1.2

V

Dynamicb

Total Gate Charge

Qg

13

20

Gate-Source Charge

Qgs

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

2

nC

Gate-Drain Charge

Qgd

2.7

Turn-On Delay Time

td(on)

8

16

Rise Time

tr

VDD = 15 V, RL = 15 W

10

20

Turn-Off Delay Time

td(off)

VDD = 15 V, RL = 15 W

ID ^ 1 A, VGEN = 10 V, RG = 6 W

21

40

ns

Fall Time

tf

10

20

Source-Drain Reverse Recovery Time

trr

IF = 2.9 A, di/dt = 100 A/ms

40

80

Notes

a.

Pulse test; pulse width

v 300 ms, duty cycle v 2%.

b.

Guaranteed by design, not subject to production testing.

TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)

0

4

8

12

16

20

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0

4

8

12

16

20

0.0

0.5

1.0

1.5

2.0

2.5

3.0

VGS = 10 thru 4 V

TC = 125_C

–55

_C

2 V

25

_C

Output Characteristics

Transfer Characteristics

VDS – Drain-to-Source Voltage (V)

VGS – Gate-to-Source Voltage (V)

3 V

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