TOP245F datasheet(37/52 Pages) POWERINT

37 / 52 page

TOP242-250

1/02

LIMIT

INIT

Conditions

(Unless Otherwise Specified)

See Figure 53

SOURCE = 0 V

; T

J = -40 to 125 °C

Min

Typ

Max

Parameter

Symbol

Units

CIRCUIT PROTECTION

FREQUENCY INPUT

FREQUENCY Pin

Threshold Voltage

FREQUENCY Pin

Input Current

F = VC

Self Protection

Current Limit

(See Note C)

Initial Current Limit

See Note B

2.9

100

µA

MULTI-FUNCTION (M), LINE-SENSE (L) AND EXTERNAL CURRENT LIMIT (X) INPUTS

Remote ON Delay

Remote OFF

Setup Time

R(ON)

R(OFF)

From Remote On to Drain Turn-On

See Note B

Minimum Time Before Drain Turn-On

to Disable Cycle

See Note B

2.5

µs

2.5

µs

TOP242 P/G

TOP242 Y/R/F

J= 25 °C

TOP243 P/G

J= 25 °C

TOP243 Y/R/F

J= 25 °C

TOP244 P/G

J= 25 °C

TOP244 Y/R/F

J= 25 °C

TOP245 Y/R/F

J= 25 °C

TOP246 Y/R/F

J= 25 °C

TOP247 Y/R/F

J= 25 °C

TOP248 Y/R/F

J= 25 °C

TOP249 Y/R/F

J= 25 °C

TOP250 Y/R/F

J= 25 °C

≤ 85 VAC

(Rectified Line Input)

265 VAC

(Rectified Line Input)

Internal

di/dt=90 mA/µs

Internal

di/dt=150 mA/µs

Internal

di/dt=180 mA/µs

Internal

di/dt=200 mA/µs

Internal

di/dt=270 mA/µs

Internal

di/dt=360 mA/µs

Internal

di/dt=540 mA/µs

Internal

di/dt=720 mA/µs

Internal

di/dt=900 mA/µs

Internal

di/dt=1080 mA/µs

Internal

di/dt=1260 mA/µs

0.418

0.45

0.481

0.697

0.75

0.802

0.837

0.90

0.963

0.930

1.00

1.070

1.256

1.35

1.445

1.674

1.80

1.926

2.511

2.70

2.889

3.348

3.60

3.852

4.185

4.50

4.815

5.022

5.40

5.778

5.859

6.30

6.741

0.75 x

LIMIT(MIN)

0.6 x

LIMIT(MIN)

See

Note B

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