RF1K49090 datasheet(3/7 Pages) INTERSIL

Part #	RF1K49090

Description	3.5A, 12V, 0.050 Ohm, Logic Level, Dual N-Channel LittleFET??Power MOSFET

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Manufacturer	INTERSIL [Intersil Corporation]

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8-103

Typical Performance Curves

FIGURE 1. NORMALIZED POWER DISSIPATION vs AMBIENT

TEMPERATURE

FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs

AMBIENT TEMPERATURE

FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE

FIGURE 4. FORWARD BIAS SAFE OPERATING AREA

FIGURE 5. PEAK CURRENT CAPABILITY

TA, AMBIENT TEMPERATURE (

oC)

0

25

50

75

100

150

0.2

0.4

0.6

0.8

1.0

1.2

125

2.0

1.0

0.5

0

25

50

75

100

125

150

1.5

3.0

2.5

TA, AMBIENT TEMPERATURE (

oC)

4.0

3.5

t, RECTANGULAR PULSE DURATION (s)

10-3

10-1

100

101

102

0.01

10

0.1

1

10-2

103

NOTES:

DUTY FACTOR: D = t1/t2

PEAK TJ = PDM x Z

θJA x RθJA + TA

PDM

t1

t2

SINGLE PULSE

DUTY CYCLE - DESCENDING ORDER

0.5

0.2

0.1

0.05

0.01

0.02

VDS, DRAIN TO SOURCE VOLTAGE (V)

1

10

100

0.01

1

100

10

0.1

DC

5ms

100ms

1s

10ms

TJ = MAX RATED, VDSS MAX = 12V

TA = 25

oC

LIMITED BY rDS(ON)

AREA MAY BE

OPERATION IN THIS

t, PULSE WIDTH (s)

200

10

1

10-5

10-4

10-3

10-2

10-1

100

101

VGS = 5V

100

TRANSCONDUCTANCE

MAY LIMIT CURRENT

IN THIS REGION

I

= I25

150 - TA

125

FOR TEMPERATURES

ABOVE 25oC DERATE PEAK

CURRENT AS FOLLOWS:

TA = 25

oC

RF1K49090

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