TL500 datasheet(14/23 Pages) TI

14 / 23 page

TL5001, TL5001A

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

SLVS084E – APRIL 1994 – REVISED OCTOBER 1999

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 9

0.5

1.5

1020

3040

VCC – Power-Supply Voltage – V

Rt = 100 kΩ

TA = 25 °C

AVERAGE SUPPLY CURRENT

POWER-SUPPLY VOLTAGE

Figure 10

0.9

0.8

– 50

– 25

1.1

1.2

1.3

100

TA – Ambient Temperature – °C

VCC = 6 V

Rt = 100 kΩ

DT Resistance = 100 k

Ω

AVERAGE SUPPLY CURRENT

AMBIENT TEMPERATURE

Figure 11

1.5

1.2

0.6

0.3

1.8

0.9

10 k

100 k

1 M

10 M

fosc – Oscillator Frequency – Hz

Voscmin (zero duty cycle)

VCC = 6 V

TA = 25 °C

PWM TRIANGLE WAVE AMPLITUDE VOLTAGE

OSCILLATOR FREQUENCY

Voscmax (100% duty cycle)

Figure 12

ERROR AMPLIFIER OUTPUT VOLTAGE

OUTPUT (SINK) CURRENT

IO – Output (Sink) Current – mA

1.5

0.5

0.2

0.4

2.5

0.6

VCC = 6 V

VI(FB) = 1.2 V

TA = 25

°C

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