TDA4605

3/7

ABSOLUTE MAXIMUM RATINGS

THERMAL DATA

Symbol

Parameter

Pin

Value

Unit

Supply Voltage

1

-0.3, +3

V

2

-0.3

V

3

-0.3

V

4

-0.3

V

6

-0.3, +20

V

7

-0.3

V

Supply Current

13

mA

23

mA

33

mA

4

- 1.5

A

5

-0.5, +1.5

A

6

0.5

A

73

mA

8

-3, +3

mA

Junction Temperature (autom. thermal disjunction)

+125

Storage Temperature

-40, +125

Symbol

Parameter

Value

Unit

Junction-ambient Thermal Resistance

80

Junction-case Thermal Resistance

45

Ambient Temperature

-20, +85

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

START-UP HYSTERESIS

Start-up Current Drain

0.6

0.8

mA

Switch-on Voltage

11

12

13

V

Switch-off Voltage

4.5

5

5.5

V

Switch-on Current

11

mA

Switch-off Current

10

mA

5.6

6.6

9

V

5.6

6.6

9

V

CONTROL RANGE

Control Input Voltage

400

410 420 mV

Voltage Gain of the Control Circuit in the Control Range

f = 1kHz

43

dB

PRIMARY CURRENT SIMULATION VOLTAGE

Basic Value

0.955 1.00 1.03

V

OVERLOAD RANGE AND SHORT CIRCUIT OPERATION

Peak Value in the Range of Secondary Overload

2.8

2.95 3.1

V

Maximum Ramp Amplitude

1.82 1.95 2.08

V

Peak Value in the Range of Secondary Short

Circuit Operation

2.3

2.5

2.7

V

FOLDBACK POINT CORRECTION

Foldback Point Correction Current

300

500 650

µA

1