SI4778DY datasheet(2/10 Pages) TFUNK

2 / 10 page

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Document Number: 69817

S09-0394-Rev. B, 09-Mar-09

Vishay Siliconix

Si4778DY

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.

SPECIFICATIONS TJ = 25 °C, unless otherwise noted

Parameter

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Static

Drain-Source Breakdown Voltage

VDS

VGS = 0 V, ID = 250 µA

VDS Temperature Coefficient

ΔV

DS/TJ

ID = 250 µA

mV/°C

VGS(th) Temperature Coefficient

ΔV

GS(th)/TJ

- 4.7

Gate-Source Threshold Voltage

VGS(th)

VDS = VGS , ID = 250 µA

1.0

2.2

Gate-Source Leakage

IGSS

VDS = 0 V, VGS = ± 16 V

± 100

Zero Gate Voltage Drain Current

IDSS

VDS = 25 V, VGS = 0 V

µA

VDS = 25 V, VGS = 0 V, TJ = 55 °C

On-State Drain Currenta

ID(on)

VDS ≥ 5 V, VGS = 10 V

Drain-Source On-State Resistancea

RDS(on)

VGS = 10 V, ID = 7 A

0.019

0.023

VGS = 4.5 V, ID = 6.3 A

0.023

0.028

Forward Transconductancea

gfs

VDS = 10 V, ID = 7 A

Dynamicb

Input Capacitance

Ciss

VDS = 13 V, VGS = 0 V, f = 1 MHz

680

Output Capacitance

Coss

120

Reverse Transfer Capacitance

Crss

Total Gate Charge

VDS = 13 V, VGS = 10 V, ID = 7 A

VDS = 13 V, VGS = 4.5 V, ID = 7 A

5.5

8.5

Gate-Source Charge

Qgs

Gate-Drain Charge

Qgd

1.5

Gate Resistance

f = 1 MHz

2.5

3.8

Turn-On Delay Time

td(on)

VDD = 13 V, RL = 2.3 Ω

ID ≅ 5.6 A, VGEN = 4.5 V, Rg = 1 Ω

Rise Time

Turn-Off Delay Time

td(off)

Fall Time

Turn-On Delay Time

td(on)

VDD = 13 V, RL = 2.3 Ω

ID ≅ 5.6 A, VGEN = 10 V, Rg = 1 Ω

Rise Time

Turn-Off Delay Time

td(off)

Fall Time

Drain-Source Body Diode Characteristics

Continuous Source-Drain Diode Current

TC = 25 °C

2.3

Pulse Diode Forward Current

ISM

Body Diode Voltage

VSD

IS = 5.6 A, VGS = 0 V

0.8

1.2

Body Diode Reverse Recovery Time

trr

IF = 5.6 A, dI/dt = 100 A/µs, TJ = 25 °C

Body Diode Reverse Recovery Charge

Qrr

816

Reverse Recovery Fall Time

8.5

Reverse Recovery Rise Time

6.5

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