TDA4605 datasheet(4/7 Pages) STMICROELECTRONICS

4 / 7 page

TDA4605

4/7

ELECTRICAL CHARACTERISTICS (VCC = 10V, Tamb = 25

oC, unless otherwise specified) - Continued

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

GENERALLY VALID DATA (V6 = 10V)

VOLTAGE OF THE ZERO Transition DETECTOR

V8P

Positive Clamping Voltage

I8 = 1mA

0.75

V8N

Negative Clamping Voltage

I8 = -1mA

-0.2

V8S

Threshold Value

TUL

Suppression of Transformer Ringing

3.8

4.5

µs

-I8

Input Current

V8 = 0

µV

PUSH-PULL OUTPUT STAGE

SATURATION VOLTAGES

VSatU

Pin 5 Sourcing

I5 = -0.1A

1.5

2.0

VSatU

Pin 5 Sinking

I5 = 0.1A

1.0

1.2

VSatU

Pin 5 Sinking

I5 = 0.5A

1.4

1.8

OUTPUT SLOW RATE

dV5/dt

Rising Edge

V/µs

-dV5/dt

Falling Edge

100

V/µs

REDUCTION OF CONTROL VOLTAGE

-I1

Current to reduce the Control Voltage

V7 = 1V

µA

PROTECTION CIRCUIT

V6(Min.)

Undervoltage Protection for V6 :

Voltage at Pin 5 = V5(Min.) if V6 < V6(Min.)

7.0

7.25

7.5

V6(Max.)

Overvoltage Protection for V6 :

Voltage at Pin 5 = V5(Min.) if V6 > V6(Max.)

16.5

V3A

Undervoltage Protection for VAC :

Voltage at Pin 5 = V5(Min.) if V3 < V3A

V2 = 0V

970 1005 1040 mV

Over Temperature : at the given chip temperature the

IC will switch V5 to V5(Min.)

150

V3Sat

Voltage at Pin 3 if one of the protection functions was

triggered ; (V3 will be clamped until V6 < V6A)

I3 = 750µA

0.4

0.8

Current Drain during Burst Operation

V3 = V2 = 0V

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