TOP249R datasheet(37/48 Pages) POWERINT

37 / 48 page

TOP242-249

August 8, 2000

7/01

LIMIT

INIT

LEB

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

Initial Current Limit

Leading Edge

Blanking Time

See Note B

2.9

100

µA

MULTI-FUNCTION (M), LINE-SENSE (L) AND CURRENT LIMIT (I) INPUTS (cont)

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

J= 25 °C

TOP243 P/G

J= 25 °C

TOP243 Y/R

J= 25 °C

TOP244 P/G

J= 25 °C

TOP244 Y/R

J= 25 °C

TOP245 Y/R

J= 25 °C

TOP246 Y/R

J= 25 °C

TOP247 Y/R

J= 25 °C

TOP248 Y/R

J= 25 °C

TOP249 Y/R

J= 25 °C

See Fig. 52

J = 25 °C

≤ 85 VAC

(Rectified Line Input)

265 VAC

(Rectified Line Input)

C = 4 mA

Internal; di/dt=90 mA/

µs

See Note C

Internal; di/dt=150 mA/

µs

See Note C

Internal; di/dt=180 mA/

µs

See Note C

Internal; di/dt=200 mA/

µs

See Note C

Internal; di/dt=270 mA/

µs

See Note C

Internal; di/dt=360 mA/

µs

See Note C

Internal; di/dt=540 mA/

µs

See Note C

Internal; di/dt=720 mA/

µs

See Note C

Internal; di/dt=900 mA/

µs

See Note C

Internal;di/dt=1080 mA/

µs

See Note C

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

0.75 x

LIMIT(MIN)

0.6 x

LIMIT(MIN)

220

See

Note B

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