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; TJ = -40 to 125 °C

CONTROL FUNCTIONS

Min Typ Max

Units

Soft Start Time

tSOFT

TJ = 25 °C; DCMIN to DCMAX

10

15

ms

PWM Gain

DCreg

IC = 4 mA; TJ = 25 °C

PWM Gain

Temperature Drift

External Bias

Current

lB

CONTROL

Current at 0%

Duty Cycle

lC(OFF)

See Note A

See Figure 7

TJ = 25 °C

TOP242-245

TOP246-249

TOP250

TOP242-245

TOP246-249

TOP250

Dynamic

Impedance

Z

C

IC = 4 mA; TJ = 25 °C

See Figure 51

Dynamic

Impedance

Temperature Drift

Control Pin

Internal Filter Pole

SHUTDOWN/AUTO-RESTART

Control Pin

Charging Current

lC (CH)

Charging Current

Temperature Drift

TJ = 25 °C

V =0V

C

VC = 5 V

See Note A

Auto-restart Upper

Threshold Voltage

VC(AR)U

Auto-restart Lower

Threshold Voltage

Auto-restart

Hysteresis Voltage

V

C(AR)L

V

C(AR)hyst

Auto-restart Duty

Cycle

Auto-restart

Frequency

DC(AR)

f

(AR)

-28 -23 -18

%/mA

-0.01

%/mA/°C

1.2

2.0

3.0

1.6

2.6

4.0

mA

1.7

2.7

4.2

6.0

7.0

6.6

8.0

mA

7.3

8.5

10

15

22

Ω

0.18

%/°C

7

kHz

-5.0 -3.5 -2.0

-3.0 -1.8 -0.6

0.5

5.8

4.5

4.8

5.1

0.8

1.0

4

8

1.0

mA

%/°C

V

V

V

%

Hz

35 H

9/02

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