ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

PROTECTION CIRCUIT

Input Voltage for Switching off the Output Pulses

Output Pulses OFF

Output Pulses ON

1

0.5

V

Input Resistance

200

k

Ω

Input Current

5

µA

FLYBACK PULSE

Input Threshold Voltage of Blanking Generator

1.8

V

Input Threshold Voltage of Phase Comparator

7.6

V

Input Switching Current

≥ 1.7V

0.45

mA

OUTPUT PULSE

Peak-to-Peak Output Voltage

10

V

Output Current

500

mA

Output Resistance

At Leading Edge of

output pulse

At Training Edge of

Output Pulse

3

20

Ω

Ω

Output Pulse Duration

20

22

26

µs

COMPOSITE BLANKING AND KEY PULSE

Key Pulse Output Peak Voltage

9

11

V

Blanking Pulse Output Voltage

4.2

4.5

4.8

V

Output Resistance

100

Ω

Phase Relation Between Trailing Edge of Key

Pulse and Middle of Sync. Input Pulse

2.7

µs

Key Pulse Duration

3.5

3.8

µs

Delay between Flyback Pulse and Blanking Pulse

0.2

µs

INTERNAL GATING PULSE

Gating Pulse Duration

7.5

µs

t

Phase Relation between Middle of Sync. Pulse

and Trailing and Leading Edge of Gating Pulse

3.75

µs

COINCIDENCE DETECTOR

Output Voltage

With Coincidence

Without Coincidence

6.8

4

V

V

Peak Output Current

0.5

mA

VCR SWITCH

Input Voltage

0 to 4 or 8.5 to 12

V

Output Current

35

µA

Output Current

0.4

mA

TIME CONSTANT SWITCH

Output Voltage

3V

Output Resistance

100

40

Ω

k

Ω

TDA1180P

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