TOP232P datasheet(27/36 Pages) POWERINT

27 / 36 page

TOP232-234

7/01

LIMIT

INIT

LEB

ILD

C(RESET)

DS(ON)

°C

Ω

Conditions

(Unless Otherwise Specified)

See Figure 34

SOURCE = 0 V

; T

J = -40 to 125 °C

Min

Typ

Max

Parameter

Symbol

Units

CIRCUIT PROTECTION

See Figure 33

J = 25 °C

J = 100 °C

J = 25 °C

J = 100 °C

J = 25 °C

J = 100 °C

TOP232

D = 50 mA

TOP233

D = 100 mA

TOP234

D = 150 mA

OUTPUT

FREQUENCY INPUT

FREQUENCY Pin

Threshold Voltage

FREQUENCY Pin

Input Current

F = VC

0.465

0.500

0.535

0.930

1.000

1.070

1.395

1.500

1.605

0.75 x

LIMIT(MIN)

0.6 x

LIMIT(MIN)

200

100

125

135

150

2.0

3.3

4.3

15.6

18.0

25.7

30.0

7.8

9.0

12.9

15.0

5.2

6.0

8.6

10.0

Self Protection

Current Limit

Initial Current Limit

Leading Edge

Blanking Time

Current Limit Delay

Thermal Shutdown

Temperature

Thermal Shutdown

Hysteresis

Power-up Reset

Threshold Voltage

ON-State

Resistance

TOP232

J= 25 °C

TOP233

J= 25 °C

TOP234

J= 25 °C

≤ 85 VAC

(Rectified Line Input)

265 VAC

(Rectified Line Input)

C = 4 mA

Figure 34, S1 open

Internal; di/dt = 100mA/

µs

Internal; di/dt = 200mA/

µs

Internal; di/dt = 300mA/

µs

See Note B

1.0

2.9

C -1.0

µA

See Note C

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