ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage (pin 1)

35

V

Flyback Peak Voltage

60

V

Voltage at Pin 2

Amplifier Input Voltage

V

Output Peak Current (non repetitive, t = 2 ms)

2

A

Output Peak Current at f = 50 Hz, t

≤ 10 µs

2.2

A

Output Peak Current at f = 50 Hz, t > 10

µs

1.2

A

50

mA

≤ 1.5 ms

2

A

Total Power Dissipation at

≤ 90 °C

°C

4.3

1

W

W

Storage and Junction Temperature

– 40 to 150

°C

THERMAL DATA

Symbol

Parameter

Value

Unit

Thermal Resistance Junction-case

Max

14

°C/W

Thermal Resistance Junction–ambient

Max

80

°C/W

* Obtained with the GND pins soldered to printed circuit with minimized copper area.

ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Fig.

Pin 1 Quiescent Current

8

16

mA

1a

Pin 8 Quiescent Current

16

36

mA

1a

Amplifier Input Bias Current

– 0.1

– 1

µA1a

Amplifier Input Bias Current

– 0.1

– 1

µA1a

Pin 2 Saturation Voltage to GND

1

V

1c

Quiescent Output Voltage

Ω

Ω

18

7.5

V

V

1d

1d

Output Saturation Voltage to GND

0.7

1

V

1c

Output Saturation Voltage to Supply

1.3

1.8

V

1b

Reference Voltage

2.2

V

1a

Reference Voltage Drift versus Supply

Voltage

1

2

mV/V

1a

Reference Voltage Output Resistance

2.1

k

Ω

Junction Temperature for Thermal Shut

Down

140

°C

TDA2270

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