TDA8174A

3/7

Notes:

1. The trigger input circuit can accept, with a metal option, positive and negative going input pulses.

2.

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Pin 2 Quiescent Current

16

36

mA

Pin 10 Quiescent Current

15

30

mA

Ramp Generator Bias Current

0.5

µA

Ramp Generator Current

18.5

20

21.5

µA

Ramp Generator Linearity

0.2

1

%

Quiescent Output Voltage

17.0

17.8

18.6

V

7.2

7.5

7.8

V

Out Saturation Voltage to GND

0.5

1

V

1

1.4

V

1.1

1.6

V

1.6

2.2

V

Reference Voltage

6.3

6.6

6.9

V

1

2

mV/V

1.5

2

mV/µA

Internal Reference Voltage

4.25

4.45

4.65

V

Diode Fwd Voltage

2.2

3

V

Diode Fwd Voltage

2.2

3

V

Output Stage Open Loop Gain

f = 100Hz

60

dB

1.5

2.5

V

Pin 11 Scanning Voltage

1.7

3

V

Trigger Input Threshold

(see note 1)

2.6

3.0

3.4

V

Trigger Input Bias Current

30

µA

Trigger Input Width

(see note 2)

20

60

Th

µS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Operating Supply Voltage Range

10

30

V

Peak-to-peak Operating Current Range

0.4

A

Supply Current

315

mA

Flyback Voltage

51

V

Sawtooth Pedestall Voltage

1.85

V

Junction Temp. for Thermal Shutdown

145

°C

Th

1.2 T

S

⋅

V

PP

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=

1