TPS793_15 datasheet(6/28 Pages) TI

Part #	TPS793

Description	TPS793 Low-Noise, High PSRR, RF, 200-mA Low-Dropout Linear Regulators in NanoStar??Wafer Chip Scale and SOT-23

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Manufacturer	TI [Texas Instruments]

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TPS793

SLVS348L – JULY 2001 – REVISED MAY 2015

www.ti.com

6.5 Electrical Characteristics

Over recommended operating temperature range TJ = –40°C to 125°C, VEN = VIN, VIN = VOUT(nom) + 1 V

(1), I

OUT = 1 mA, COUT =

10

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

5.5

V

IOUT

Continuous output current

0

200

mA

VFB

Internal reference (TPS79301)

1.201

1.225

1.250

V

TPS79301

VFB

5.5 – VDO

TPS79318

0 µA < IOUT < 200 mA, 2.8 V < VIN < 5.5 V

1.764

1.8

1.836

TPS79325

0 µA < IOUT < 200 mA, 3.5 V < VIN < 5.5 V

2.45

2.5

2.55

TPS79328

0 µA < IOUT < 200 mA, 3.8 V < VIN < 5.5 V

2.744

2.8

2.856

Output voltage

VOUT

V

range

TPS793285

0 µA < IOUT < 200 mA, 3.85 V < VIN < 5.5 V

2.793

2.85

2.907

TPS79330

0 µA < IOUT < 200 mA, 4 V < VIN < 5.5 V

2.94

3

3.06

TPS79333

0 µA < IOUT < 200 mA, 4.3 V < VIN < 5.5 V

3.234

3.3

3.366

TPS793475

0 µA < IOUT < 200 mA, 5.25 V < VIN < 5.5 V

4.655

4.75

4.845

ΔVOUT(ΔVIN)

Line regulation

VOUT + 1 V < VIN ≤ 5.5 V

0.05

0.12

%/V

ΔVOUT(ΔIOUT)

Load regulation

0 µA < IOUT < 200 mA, TJ = 25°C

5

mV

TPS79328

IOUT = 200 mA

120

200

Dropout

TPS793285

IOUT = 200 mA

120

200

voltage(2)

VDO

TPS79330

IOUT = 200 mA

112

200

mV

(VIN = VOUT(nom) –

TPS79333

IOUT = 200 mA

12

180

0.1 V)

TPS793475

IOUT = 200 mA

77

125

ICL

Output current limit

VOUT = 0 V

285

600

mA

IGND

Ground pin current

0 µA < IOUT < 200 mA

170

220

µA

ISHUTDOWN

Shutdown current(3)

VEN = 0 V, 2.7 V < VIN < 5.5 V

0.07

1

µA

IFB

FB pin current

VFB = 1.8 V

1

µA

f = 100 Hz, IOUT = 10 mA

70

f = 100 Hz, IOUT = 200 mA

68

Power-supply

PSRR

TPS79328

dB

rejection ratio

f = 10 kHz, IOUT = 200 mA

70

f = 100 kHz, IOUT = 200 mA

43

CNR = 0.001 μF

55

BW = 200 Hz to

CNR = 0.0047 μF

36

Output noise

Vn

TPS79328

100 kHz,

µVRMS

voltage

CNR = 0.01 μF

33

IOUT = 200 mA

CNR = 0.1 μF

32

CNR = 0.001 μF

50

RL = 14 Ω,

tSTR

Startup time

TPS79328

CNR = 0.0047 μF

70

µs

COUT = 1 µF

CNR = 0.01 μF

100

VEN(high)

High-level enable input voltage

2.7 V < VIN < 5.5 V

1.7

VIN

V

VEN(low)

Low-level enable input voltage

2.7 V < VIN < 5.5 V

0

0.7

V

IEN

EN pin current

VEN = 0 V

–1

1

µA

Threshold, VCC rising

2.25

2.65

V

UVLO

Hysteresis

100

mV

(1)

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

(2)

Dropout is not measured for the TPS79318 and TPS79325 because minimum VIN = 2.7 V.

(3)

For adjustable versions, this parameter applies only after VIN is applied; then VEN transitions high to low.

6

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