TL500 datasheet(15/23 Pages) TI

15 / 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 13

1.5

0.5

020

2.5

100

120

IO – Output (Source) Current – µA

VCC = 6 V

VI(FB) = 0.8 V

TA = 25 °C

ERROR AMPLIFIER OUTPUT VOLTAGE

OUTPUT (SOURCE) CURRENT

Figure 14

2.43

2.42

2.41

2.40

– 50

– 25

2.44

2.45

2.46

100

TA – Ambient Temperature – °C

VCC = 6 V

VI(FB) = 0.8 V

No Load

ERROR AMPLIFIER OUTPUT VOLTAGE

AMBIENT TEMPERATURE

Figure 15

180

160

140

120

– 50

– 25

200

220

240

100

TA – Ambient Temperature – °C

VCC = 6 V

VI(FB) = 1.2 V

No Load

ERROR AMPLIFIER OUTPUT VOLTAGE

AMBIENT TEMPERATURE

Figure 16

– 10

– 20

10 k

100 k

1 M

10 M

fosc – Oscillator Frequency – Hz

VCC = 6 V

TA = 25 °C

ERROR AMPLIFIER CLOSED-LOOP GAIN AND

PHASE SHIFT

OSCILLATOR FREQUENCY

– 180

– 210

– 240

– 270

– 300

– 330

– 360

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