TL5002

PULSE-WIDTH-MODULATION CONTROL CIRCUIT

SLVS304A – SEPTEMBER 2000 – REVISED AUGUST 2002

7

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 4

100 k

10 k

1 M

10 k

100 k

1 M

VCC = 6 V

DT Resistance = Rt

TA = 25°C

Rt – Timing Resistance – Ω

OSCILLATOR FREQUENCY

vs

TIMING RESISTANCE

Figure 5

94

92

90

88

– 50

– 25

0

96

98

100

25

50

75

100

TA – Ambient Temperature – °C

OSCILLATION FREQUENCY

vs

AMBIENT TEMPERATURE

VCC = 6 V

Rt = 100 kΩ

DT Resistance = 100 k

Ω

Figure 6

1

0.5

0

2

1.5

0

1020

3040

VCC – Power-Supply Voltage – V

Rt = 100 kΩ

TA = 25 °C

AVERAGE SUPPLY CURRENT

vs

POWER-SUPPLY VOLTAGE

Figure 7

1

0.9

0.8

0

– 50

– 25

0

1.1

1.2

1.3

25

50

75

100

TA – Ambient Temperature – °C

VCC = 6 V

Rt = 100 kΩ

DT Resistance = 100 k

Ω

AVERAGE SUPPLY CURRENT

vs

AMBIENT TEMPERATURE