TPS77101, TPS77118, TPS77127, TPS77128, TPS77133 WITH RESET OUTPUT

TPS77201, TPS77218, TPS77227, TPS77228, TPS77233 WITH POWER GOOD OUTPUT

150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG

SLVS225A – FEBRUARY 2000 – REVISED MARCH 2000

9

POST OFFICE BOX 655303

electrical characteristics over recommended operating junction temperature range (–40

°C to

125

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Minimum input voltage for valid RESET

I(RESET) = 300 µA

1.1

V

Trip threshold voltage

VO decreasing

92

98

%VO

Reset

Hysteresis voltage

Measured at VO

0.5

%VO

(TPS771xx)

Output low voltage

VI = 2.7 V,

I(RESET) = 1 mA

0.15

0.4

V

Leakage current

V(RESET) = 5 V

1

µA

RESET time-out delay

220

ms

2.8 V

IO = 150 mA,

TJ = 25°C

150

VDO

Dropout voltage (see Note 5)

Output

IO = 150 mA,

265

mV

VDO

Dropout voltage (see Note 5)

3.3 V

IO = 150 mA,

TJ = 25°C

115

mV

Output

IO = 150 mA

200

NOTE 5: IN voltage equals VO(Typ) – 100 mV; 1.8 V, and 2.7 V dropout voltage limited by input voltage range limitations (i.e., 3.3 V input voltage

needs to drop to 3.2 V for purpose of this test).

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

VO

Output voltage

vs Output current

2, 3

VO

Output voltage

vs Junction temperature

4, 5

Ground current

vs Junction temperature

6

Power supply rejection ratio

vs Frequency

7

Output spectral noise density

vs Frequency

8

Zo

Output impedance

vs Frequency

9

VDO

Dropout voltage

vs Input voltage

10

VDO

Dropout voltage

vs Junction temperature

11

Line transient response

12, 14

Load transient response

13, 15

Output voltage

vs Time

16

Equivalent series resistance (ESR)

vs Output current

18 – 21