TPS79101, TPS79118

TPS79133,TPS79147

SLVS325C − MARCH 2001 − REVISED MAY 2002

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3

ELECTRICAL CHARACTERISTICS

over recommended operating free-air temperature range, (TJ = −40 to 125 °C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, Co = 10 µF,

Co(byp)= 0.01 µF (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ = 25°C, 1.22 V ≤ VO ≤ 5.2 V

VO

TPS79101

0

µA< IO < 100 mA(1),

1.22 V

≤ VO ≤ 5.2 V

0.98 VO

1.02 VO

TPS79118

TJ = 25°C

1.8

Output voltage

TPS79118

0

µA < IO < 100 mA, 2.8 V < VI < 5.5 V

1.764

1.836

V

Output voltage

TPS79133

TJ = 25°C

3.3

V

TPS79133

0

µA < IO < 100 mA, 4.3 V < VI < 5.5 V

3.234

3.366

TPS79147

TJ = 25°C

4.7

TPS79147

0

µA < IO < 100 mA, 5.2 V < VI < 5.5 V

4.606

4.794

Quiescent current (GND current)

0

µA < IO < 100 mA, TJ = 25°C

170

A

Quiescent current (GND current)

0

µA < IO < 100 mA

250

µA

Load regulation

0

µA < IO < 100 mA, TJ = 25°C

5

mV

Output voltage line regulation (

∆VO/VO)(2)

VO + 1 V < VI ≤ 5.5 V, TJ = 25°C

0.05

%/V

Output voltage line regulation (

∆VO/VO)(2)

VO + 1 V < VI ≤ 5.5 V

0.12

%/V

C(byp) = 0.001 µF

32

Output noise voltage (TPS79118)

BW = 100 Hz to 100 kHz,

C(byp) = 0.0047 µF

17

VRMS

Output noise voltage (TPS79118)

BW = 100 Hz to 100 kHz,

IO = 100 mA, TJ = 25°C

C(byp) = 0.01 µF

16

µVRMS

IO = 100 mA, TJ = 25 C

C(byp) = 0.1 µF

15

RL = 33 Ω, Co = 1 F,

C(byp) = 0.001 µF

53

Time, start-up (TPS79133)

RL = 33 Ω, Co = 1 µF,

TJ = 25°C

C(byp) = 0.0047 µF

67

µs

Time, start-up (TPS79133)

TJ = 25°C

C(byp) = 0.01 µF

98

µs

Output current limit

VO = 0 V(1)

285

600

mA

UVLO threshold

VCC rising

2.25

2.65

V

UVLO hysteresis

TJ = 25°C, VCC rising

100

mV

(1) The minimum IN operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. The maximum IN voltage is 5.5 V. The maximum output current

is 100 mA.

(2) If VO ≤ 1.8 V then VImin = 2.7 V, VImax = 5.5 V:

Line regulation (mV)

+ % V

V

O

V

Imax *

2.7 V

100

1000

If VO ≥ 2.5 V then VImin = VO + 1 V, VImax = 5.5 V:

Line regulation (mV)

+ % V

V

O

V

Imax *

V

O )

1V

100

1000