SLVP139 datasheet(8/40 Pages) TI1

Part #	SLVP139

Description	DUAL-OUTPUT LOW-INPUT-VOLTAGE DSP POWER SUPPLY CONTROLLER WITH SEQUENCING

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Manufacturer	TI1 [Texas Instruments]

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TPS56300

DUALOUTPUT LOW INPUT VOLTAGE

DSP POWER SUPPLY CONTROLLER WITH SEQUENCING

SLVS261B − DECEMBER 1999 − SEPTEMBER 2000

8

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electrical characteristics TJ = −40° to 125°C, VCC = 2.8 V to 5.5 V (unless otherwise noted)

overvoltage protection

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OVP ripple regulator trip point (RR)

Upper threshold

112

115

120

% VREF

Hysteresis (RR)

Upper threshold − lower threshold,

See Note 2

10

mV

Comparator propagation delay time (RR)

Voverdrive = 30mV,

See Note 2

1

µs

Deglitch time (includes comparator

propagation delay time) (RR)

Voverdrive = 30mV,

See Note 2

2.25

11

µs

OVP LDO trip point (LDO)

Upper threshold

112

115

120

% VREF

Hysteresis (LDO)

Upper threshold − lower threshold,

See Note 2

10

mV

Comparator propagation delay time (LDO)

Voverdrive = 50mV,

See Note 2

1

µs

Deglitch time (includes comparator

propagation delay time) (LDO)

Voverdrive = 50mV,

See Note 2

2.25

11

µs

NOTE 2. Ensured by design, not production tested.

undervoltage protection

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

UVP ripple regulator trip point (RR)

Lower threshold

70

75

80

% VREF

Hysteresis (RR)

Upper threshold − lower threshold,

See Note 2

10

mV

Comparator propagation delay time (RR)

Voverdrive = 50mV,

See Note 2

1

µs

Deglitch time (includes comparator

propagation delay time) (RR)

Voverdrive = 50mV,

See Note 2

0.1

1

ms

UVP LDO trip point (LDO)

Lower threshold

70

75

80

% VREF

Hysteresis (LDO)

Upper threshold − lower threshold,

See Note 2

10

mV

Comparator propagation delay time (LDO)

Voverdrive = 50mV,

See Note 2

1

µs

Deglitch time (includes comparator

propagation delay time) (LDO)

Voverdrive = 50mV,

See Note 2

0.1

1

ms

NOTE 2. Ensured by design, not production tested.

inhibit comparator

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Start threshold

2.1

2.35

V

Start threshold

TJ = −40°C,

See Note 2

2.1

V

Stop threshold

1.79

V

NOTE 2. Ensured by design, not production tested.

VDRV UVLO

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Start threshold

See Note 2

4.9

V

Hysteresis

See Note 2

0.3

0.35

V

Stop threshold

See Note 2

4.4

V

NOTE 2. Ensured by design, not production tested.

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