TOP243 View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

Manufacturer

TOP243

Extended power, design elexible, integrated off-line switcher

Power Integrations, Inc 

TOP242-250

Parameter

Symbol

Conditions

(Unless Otherwise Specified)

See Figure 53

SOURCE

=

0

V;

T

J

=

-40

to

125

°C

Min Typ Max Units

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

Remote ON Delay

t

R(ON)

From Remote On to Drain Turn-On

See Note B

2.5

µs

Remote OFF

Setup Time

t

R(OFF)

Minimum Time Before Drain Turn-On

to Disable Cycle

2.5

µs

See Note B

FREQUENCY INPUT

FREQUENCY Pin

Threshold Voltage

VF

See Note B

2.9

V

FREQUENCY Pin

Input Current

IF

VF = VC

10

40

100

µA

CIRCUIT PROTECTION

TOP242 P/G

TOP242 Y/R/F

TJ= 25 °C

Internal

di/dt=90 mA/µs

0.418 0.45 0.481

TOP243 P/G

TJ= 25 °C

Internal

di/dt=150 mA/µs

0.697

0.75

0.802

TOP243 Y/R/F

TJ= 25 °C

Internal

di/dt=180 mA/µs

0.837 0.90

0.963

TOP244 P/G

TJ= 25 °C

Internal

di/dt=200 mA/µs

0.930

1.00

1.070

Self Protection

Current Limit

(See Note C)

TOP244 Y/R/F

Internal

TJ= 25 °C

di/dt=270 mA/µs 1.256 1.35 1.445

ILIMIT

TOP245 Y/R/F

TJ= 25 °C

Internal

di/dt=360 mA/µs

1.674 1.80

1.926

A

TOP246 Y/R/F

TJ= 25 °C

TOP247 Y/R/F

TJ= 25 °C

Internal

di/dt=540 mA/µs

Internal

di/dt=720 mA/µs

2.511 2.70

3.348 3.60

2.889

3.852

TOP248 Y/R/F

TJ= 25 °C

Internal

di/dt=900 mA/µs

4.185 4.50

4.815

TOP249 Y/R/F

TJ= 25 °C

Internal

di/dt=1080 mA/µs

5.022

5.40

5.778

TOP250 Y/R/F

Internal

TJ= 25 °C

di/dt=1260 mA/µs 5.859 6.30 6.741

≤ 85 VAC

0.75 x

Initial Current Limit IINIT

See

Note B

(Rectified Line Input) ILIMIT(MIN)

265 VAC

0.6 x

A

(Rectified Line Input) ILIMIT(MIN)

37 H

9/02

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