RF1K4909296 查看數據表（PDF） - Fairchild Semiconductor

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RF1K4909296

3.5A/2.5A, 12V, 0.050/0.130 Ohm, Logic Level, Complementary LittleFET™ Power MOSFET

Fairchild Semiconductor 

RF1K49092

Test Circuits and Waveforms (P-Channel)

VDS

VARY tP TO OBTAIN

REQUIRED PEAK IAS

RG

0V

VGS

tP

L

DUT

-

VDD

+

IAS

0.01Ω

FIGURE 37. UNCLAMPED ENERGY TEST CIRCUIT

VGS

RL

DUT

RG

-

VDD

+

FIGURE 39. SWITCHING TIME TEST CIRCUIT

CURRENT

REGULATOR

-VDS

(ISOLATED

SUPPLY)

12V

BATTERY

0.2µF 50kΩ

0.3µF

DUT

D

G

DUT

0

Ig(REF)

S

+VDS

IG CURRENT

SAMPLING

ID CURRENT

SAMPLING

RESISTOR

RESISTOR

FIGURE 41. GATE CHARGE TEST CIRCUIT

tAV

0

VDD

IAS

tP

BVDSS

VDS

FIGURE 38. UNCLAMPED ENERGY WAVEFORMS

tON

td(ON)

tr

0

10%

tOFF

td(OFF)

tf

10%

VDS

VGS

0

90%

10%

50%

PULSE WIDTH

90%

50%

90%

FIGURE 40. RESISTIVE SWITCHING WAVEFORMS

0

VGS= -1V

-VGS

VDD

0

Ig(REF)

Qg(TH)

VDS

Qg(-5)

VGS= -5V

Qg(TOT)

VGS= -10V

FIGURE 42. GATE CHARGE WAVEFORMS

©2002 Fairchild Semiconductor Corporation

RF1K49092 Rev. B

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