TPS75818KTTT datasheet(5/24 Pages) TI

Part #	TPS75818KTTT

Description	FAST-TRANSIENT RESPONSE 3-A LOW-DROPOUT VOLTAGE REGULATORS

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Line regulator (mV) + (%V)

V

O VImax * 2.8V

100

1000

Line regulator (mV) + (%V)

V

O VImax * VO ) 1V

100

1000

RECOMMENDED OPERATING CONDITIONS

ELECTRICAL CHARACTERISTICS

TPS75801, TPS75815

TPS75818, TPS75825

TPS75833

SLVS330D – JUNE 2001 – REVISED MARCH 2004

MIN

MAX

UNIT

Input voltage, VI

(1)

2.8

5.5

V

Output voltage range, VO

1.22

5

V

Output current, IO

0

3

A

Operating virtual junction temperature, TJ

-40

125

°C

(1)

To calculate the minimum input voltage for your maximum output current, use the following equation: VI(min)= VO(max)+ VDO(max load).

over recommended operating junction temperature range (T

J = -40°C to 125°C), VI= VO(typ) + 1 V, IO = 1 mA, EN = VI, Co =

100 µF (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

1.22 V

≤ V

O≤ 5.5 V

TJ = 25°C

VO

V

Adjustable

1.22 V

≤ V

O≤ 5.5 V

0.97 VO

1.03 VO

voltage

1.22 V

≤ V

O≤ 5.5 V, TJ = 0 to 125°C

(1)

0.97 VO

1.03 VO

V

TJ = 25°C

2.8 V < VI < 5.5 V

1.5

1.5 V Output

V

2.8 V

≤ V

I≤ 5.5 V

1.455

1.545

Output voltage(1)

TJ = 25°C

2.8 V < VI < 5.5 V

1.8

1.8 V Output

V

2.8 V

≤ V

I≤ 5.5 V

1.746

1.854

TJ = 25°C

3.5 V < VI < 5.5 V

2.5

2.5 V Output

V

3.5 V

≤ V

I≤ 5 V

2.425

2.575

TJ = 25°C

4.3 V < VI < 5.5 V

3.3

3.3 V Output

V

4.3 V

≤ V

I≤ 5.5 V

3.201

3.399

TJ = 25°C

125

Quiescent current (GND current)(2),(3)

µA

200

VO + 1 V ≤ VI≤ 5.5 V,

TJ = 25°C

0.04

Output voltage line regulation (

∆V

O/VO)

(3)

%/V

VO + 1 V ≤ VI < 5.5 V

0.1

Load regulation (2)

0.35

%/V

Output noise voltage

TPS75815

BW = 300 Hz to 50 kHz, TJ = 25°C, VI = 2.8 V

35

µVrms

Output current limit

VO = 0 V

5.5

10

14

A

Thermal shutdown junction temperature

150

°C

EN = 0,

TJ = 25°C

0.1

µA

Standby current

EN = 0

3

µA

FB input current

TPS75801

FB = 1.5 V

-1

1

µA

Power supply ripple rejection TPS75815

f = 100 Hz, TJ = 25°C

VI = 2.8 V, IO = 3 A

62

dB

EN = VI

-1

1

µA

Input current (EN)

EN = 0 V

-1

0

1

µA

High level EN input voltage

2

V

Low level EN input voltage

0.7

V

(1)

The adjustable option operates with a 2% tolerance over TJ = 0 to 125°C.

(2)

IO = 1 mA to 3 A

(3)

If VO < 2.5 V then VImin = 2.8 V, VImax = 5.5 V:

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

5

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