Absolute Maximum Ratings

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Supply Current

Output Voltage

Output Current

Sync Input Voltage (Pin 3)

50 Vp-p

Flyback Input Voltage (Pin 4)

50 Vp-p

Power Dissipation (Package Limitation)

Plastic Package (Note 1)

1000 mW

Operating Temperature Range (Ambient)

Storage Temperature Range

b

Lead Temperature (Soldering 10 sec)

260 C

Parameter

Conditions

Min

Typ

Max

Units

Regulated Voltage (Pin 6)

80

86

92

Supply Current (Pin 6)

20

Collector-Emitter Saturation Voltage

030

040

of Output Transistor (Pin 1)

Pin 4 Voltage

20

Oscillator Pull-in Range

g

300

Hz

Oscillator Hold-in Range

g

900

Hz

Static Phase Error

D

05

m

s

Free-running Frequency Supply

S1 in position 2

g

30

Dependance

Phase Detector Leakage (Pin 5)

All switches in position 2

g

10

m

A

Sync Input Voltage (Pin 3)

20

50

Vp-p

Sawtooth Input Voltage (Pin 4)

10

30

Vp-p

Maximum Oscillator Frequency

500

kHz

Note 1

For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance

of 120 CW junction to ambient

Typical Performance Characteristics

Time

Frequency Drift vs Warm-Up

Frequency vs Temperature

Voltage

TLH7889 – 3

2