TDA4605-2 데이터 시트보기 (PDF) - Siemens AG

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TDA4605-2

Control IC for Switched-Mode Power Supplies using MOS-Transistors

Siemens AG 

TDA 4605-2

Characteristics (cont’d)

TA = 25 ˚C; VS = 10 V

Parameter

Symbol

Limit Values

Unit

min. typ. max.

Test Condition

Generally Valid Data (V6 = 10 V)

Voltage of the Zero Transition Detector

Positive clamping

V8P

0.75

voltage

Negative clamping V8N

voltage

– 0.2

Threshold value

V8S

Suppression of

tUL

transformer ringing

40 50

4

4.5 5.5

Input current

– I8

0

4

Push-Pull Output Stage

Saturation voltages

Pin 5 sourcing

Pin 5 sinking

Pin 5 sinking

VSat0

VSatV

VSatV

1.5 2.0

1.0 1.2

1.4 1.8

Output Slew Rate

Rising edge

+ dV5/dt

20

Falling edge

+ dV5/dt

50

Reduction of Control Voltage

Current to reduce the – I1

50

control voltage

V

I8 = 1 mA

V

I8 = – 1 mA

mV

µs

µA

V8 = 0

V

I5 = – 0.1 A

V

I5 = + 0.1 A

V

I5 = + 0.5 A

V/µs

V/µs

µA

V7 = 1.1 V

Test

Circuit

2

2

2

2

1

1

1

2

2

Semiconductor Group

64

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