TPS767D301, TPS767D318, TPS767D325

DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

SLVS209B – JULY 1999 – REVISED APRIL 2000

7

POST OFFICE BOX 655303

(continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input current (EN)

EN = 0 V

–1

0

1

µA

Input current (EN)

EN = VI

–1

1

µA

Load regulation

3

mV

Dropout voltage (see Note 4)

VO = 3.3 V,

TJ = 25°C

350

mV

Dropout voltage (see Note 4)

O

,

IO = 1 A

TJ = –40°C to 125°C

575

mV

NOTE 4: IN voltage equals Vo(Typ) – 100mV; Adjustable output voltage set to 3.3V nominal with external resistor divider. 1.8V, and 2.5V dropout

voltage is limited by input voltage range limitations.

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

Output voltage

vs Output current

2, 3, 4

Output voltage

vs Free-air temperature

5, 6, 7

Ground current

vs Free-air temperature

8, 9

Power supply ripple rejection

vs Frequency

10

Output spectral noise density

vs Frequency

11

Output impedance

vs Frequency

12

Dropout voltage

vs Free-air temperature

13

Line transient response

14, 16

Load transient response

15, 17

Output voltage

vs Time

18

Dropout voltage

vs Input voltage

19

vs Output current, TA = 25°C

21

Equivalent series resistance (ESR)

vs Output current, TJ = 125°C

22

Equivalent series resistance (ESR)

vs Output Current, TA = 25°C

23

vs Output current, TJ = 125°C

24