TPS767D301 datasheet(10/19 Pages) TI

10 / 19 page

TPS767D301, TPS767D318, TPS767D325

DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

SLVS209B – JULY 1999 – REVISED APRIL 2000

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 10

100k

10k

f – Frequency – Hz

POWER SUPPLY RIPPLE REJECTION

FREQUENCY

–10

100

VO = 3.3 V

VI = 4.3 V

CO = 10 µF

IO = 1 A

TA = 25°C

Figure 11

f – Frequency – Hz

102

103

104

105

10–5

10–6

10–8

10–7

OUTPUT SPECTRAL NOISE DENSITY

FREQUENCY

IO = 7 mA

IO = 1 A

VI = 4.3 V

CO = 10 µF

TA = 25°C

Figure 12

f – Frequency – kHz

OUTPUT IMPEDANCE

FREQUENCY

101

102

105

106

10–1

10–2

104

103

IO = 1 mA

IO = 1 A

VI = 4.3 V

CO = 10 µF

TA = 25°C

Figure 13

TA – Free-Air Temperature – °C

–40

120

103

–60

80 100

DROPOUT VOLTAGE

FREE-AIR TEMPERATURE

102

101

100

10–1

10–2

–20

140

IO = 1 A

IO = 10 mA

IO = 0

VO = 3.3 V

CO = 10 µF

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