MPF4393G Datasheet MPF4393RLRPG, MPF4392, MPF4393 | P4-P6

MPF4392, MPF4393

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Figure 5. Switching Time Test Circuit

2.0

3.0

5.0

7.0

0.5 1.0 3.0 305.00.30.1 100.050.03

, REVERSE VOLTAGE (VOLTS)

C, CAPACITANCE (pF)

50 17020-10-40 80 140-70

1.8

1.0

2.0

1.2

1.4

1.6

0.8

0.6

0.4

, DRAIN-SOURCE ON-STATE

ds(on)

RESISTANCE (NORMALIZED)

channel

, CHANNEL TEMPERATURE (°C)

1.5

1.0

110

GEN

50 W

GEN

OUTPUT

INPUT

SET V

DS(off)

= 10 V

INPUT PULSE

≤ 0.25 ns

≤ 0.5 ns

PULSE WIDTH = 2.0 ms

DUTY CYCLE ≤ 2.0%

& R

′ = R

+ 50)

+ R

+ 50

Figure 6. Typical Forward Transfer Admittance

NOTE 1

The switching characteristics shown above were measured using a

test circuit similar to Figure 5. At the beginning of the switching

interval, the gate voltage is at Gate Supply Voltage (−V

). The

Drain−Source Voltage (V

) is slightly lower than Drain Supply

Voltage (V

) due to the voltage divider. Thus Reverse Transfer

Capacitance (C

rss

) or Gate−Drain Capacitance (C

) is charged to

+ V

During the turn−on interval, Gate−Source Capacitance (C

)

discharges through the series combination of R

Gen

and R

. C

must discharge to V

DS(on)

through R

and R

in series with the

parallel combination of effective load impedance (R′

) and

Drain−Source Resistance (r

). During the turn−off, this charge

flow is reversed.

Predicting turn−on time is somewhat difficult as the channel

resistance r

is a function of the gate−source voltage. While C

discharges, V

approaches zero and r

decreases. Since C

discharges through r

, turn−on time is non−linear. During turn−off,

the situation is reversed with r

increasing as C

charges.

The above switching curves show two impedance conditions:

1) R

is equal to R

′ which simulates the switching behavior of

cascaded stages where the driving source impedance is normally the

load impedance of the previous stage, and 2) R

= 0 (low

impedance) the driving source impedance is that of the generator.

Figure 7. Typical Capacitance

, DRAIN CURRENT (mA)

2.0

5.0

3.0

7.0

0.5 1.0 3.0 7.05.0 5030

0.7 2.0 10 20

, FORWARD TRANSFER ADMITTANCE (mmhos)

120

160

200

1.0 3.0 5.02.0

, GATE-SOURCE VOLTAGE (VOLTS)

4.00

6.0 7.0 8.0

r , DRAIN-SOURCE ON-STATE

ds(on)

RESISTANCE (OHMS)

channel

= 25°C

IS NEGLIGIBLE)

channel

= 25°C

= 15 V

Figure 8. Effect of Gate−Source Voltage

On Drain−Source Resistance

Figure 9. Effect of Temperature On

Drain−Source On−State Resistance

MPF4392

MPF4393

= 1.0 mA

= 0

DSS

= 10

50 mA 75 mA 100 mA 125 mA

channel

= 25°C

MPF4392, MPF4393

http://onsemi.com

DSS

, ZERO-GATE VOLTAGE DRAIN CURRENT (mA)

, DRAIN-SOURCE ON-STATE

ds(on)

30 40 50 60

RESISTANCE (OHMS)

1.0

2.0

3.0

4.0

5.0

, GATE-SOURCE VOLTAGE

(VOLTS)

6.0

7.0

8.0

9.0

100

80 90 100 110 120 130 140 150

NOTE 2

The Zero−Gate−Voltage Drain Current (I

DSS

), is the

principle determinant of other J−FET characteristics.

Figure 10 shows the relationship of Gate−Source Off

Voltage (V

GS(off)

) and Drain−Source On Resistance

ds(on)

) to I

DSS

. Most of the devices will be within ±10%

of the values shown in Figure 10. This data will be useful

in predicting the characteristic variations for a given part

number.

For example:

Unknown

ds(on)

and V

range for an MPF4392

The electrical characteristics table indicates that an

MPF4392 has an I

DSS

range of 25 to 75 mA. Figure 10

shows r

ds(on)

= 52 W for I

DSS

= 25 mA and 30 W for I

DSS

75 mA. The corresponding V

values are 2.2 V and

4.8 V.

Figure 10. Effect of I

DSS

On Drain−Source

Resistance and Gate−Source Voltage

channel

= 25°C

DS(on)

@ V

= 0

GS(off)

MPF4392, MPF4393

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PACKAGE DIMENSIONS

TO−92 (TO−226)

CASE 29−11

ISSUE AM

STYLE 5:

PIN 1. DRAIN

2. SOURCE

3. GATE

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI

Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. CONTOUR OF PACKAGE BEYOND DIMENSION R

IS UNCONTROLLED.

4. LEAD DIMENSION IS UNCONTROLLED IN P AND

BEYOND DIMENSION K MINIMUM.

SECTION X−X

SEATING

PLANE

DIM MIN MAX MIN MAX

MILLIMETERSINCHES

A 0.175 0.205 4.45 5.20

B 0.170 0.210 4.32 5.33

C 0.125 0.165 3.18 4.19

D 0.016 0.021 0.407 0.533

G 0.045 0.055 1.15 1.39

H 0.095 0.105 2.42 2.66

J 0.015 0.020 0.39 0.50

K 0.500 --- 12.70 ---

L 0.250 --- 6.35 ---

N 0.080 0.105 2.04 2.66

P --- 0.100 --- 2.54

R 0.115 --- 2.93 ---

V 0.135 --- 3.43 ---

NOTES:

1. DIMENSIONING AND TOLERANCING PER

ASME Y14.5M, 1994.

2. CONTROLLING DIMENSION: MILLIMETERS.

3. CONTOUR OF PACKAGE BEYOND

DIMENSION R IS UNCONTROLLED.

4. LEAD DIMENSION IS UNCONTROLLED IN P

AND BEYOND DIMENSION K MINIMUM.

SECTION X−X

SEATING

PLANE

DIM MIN MAX

MILLIMETERS

A 4.45 5.20

B 4.32 5.33

C 3.18 4.19

D 0.40 0.54

G 2.40 2.80

J 0.39 0.50

K 12.70 ---

N 2.04 2.66

P 1.50 4.00

R 2.93 ---

V 3.43 ---

STRAIGHT LEAD

BULK PACK

BENT LEAD

TAPE & REEL

AMMO PACK

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MPF4392/D

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