TPS799L54 datasheet(5/22 Pages) TI1

Part #	TPS799L54

Description	200-mA, Low-Dropout Linear Regulator with Built-In Inrush Current Protection

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Manufacturer	TI1 [Texas Instruments]

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TPS799L54, TPS799L57

www.ti.com

SBVS191B – APRIL 2012 – REVISED AUGUST 2014

6.5

Electrical Characteristics

Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(TYP) + 0.3 V or 2.7 V, whichever is greater; IOUT = 1 mA,

VEN = VIN, COUT = 2.2 μF, CNR = 0.01 μF, unless otherwise noted. Typical values are at TJ = 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage range(1)

2.7

6.5

V

Output voltage range

5.2

6.2

V

Output accuracy, nominal

TJ = 25°C

–1.0%

1.0%

VOUT

Output accuracy(1)

VOUT + 0.3 V ≤ VIN ≤ 6.5 V

–2.0%

±1.0%

2.0%

Over VIN, IOUT, temperature

500

μA ≤ IOUT ≤ 200 mA

ΔVO(ΔVI)

Line regulation(1)

VOUT(NOM) + 0.3 V ≤ VIN ≤ 6.5 V

0.02

%/V

ΔVO(ΔIO)

Load regulation

500

μA ≤ IOUT ≤ 200 mA

0.002

%/mA

Dropout voltage

VDO

VOUT ≥ 3.3 V, IOUT = 200 mA

90

160

mV

(VIN = VOUT(NOM) – 0.1 V)

ILIM

Output current limit(2)

VOUT = 0.9 × VOUT(NOM)

220

340

600

mA

IGND

Ground pin current

500

μA ≤ IOUT ≤ 200 mA

40

60

μA

ISHDN

Shutdown current (IGND)

VEN ≤ 0.4 V, 2.7 V ≤ VIN ≤ 6.5 V

0.15

1.0

μA

f = 100 Hz

70

dB

f = 1 kHz

66

dB

VIN = 6.5 V, VOUT = 2.85 V,

PSRR

Power-supply rejection ratio

CNR = 0.01 μF, IOUT = 100 mA f = 10 kHz

51

dB

f = 100 kHz

38

dB

CNR = 0.01 μF

10.5 × VOUT

μVRMS

VN

Output noise voltage

BW = 10 Hz to 100 kHz

CNR = none

94 × VOUT

μVRMS

CNR = 0.01 μF

90

μs

VOUT = 5.7 V,

Start-up time

RL = 28 Ω, COUT = 2.2 μF

CNR = none

95

μs

VEN(HI)

Enable high (enabled)

1.2

VIN

V

VEN(LO)

Enable low (shutdown)

0

0.4

V

IEN(HI)

Enable pin current, enabled

VEN = VIN = 6.5 V

0.03

1.0

μA

Shutdown, temperature increasing

165

°C

Thermal shutdown

Tsd

temperature

Reset, temperature decreasing

145

°C

Operating junction

TJ

–40

125

°C

temperature

Undervoltage lockout

VIN rising

1.90

2.20

2.65

V

UVLO

Hysteresis

VIN falling

70

mV

(1)

Minimum VIN = VOUT + VDO or 2.7 V, whichever is greater.

(2)

The TPS799Lxx has a peak current clamp during EN toggle start-up.

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