TLV70028QDDCRQ1 datasheet(3/19 Pages) TI1

Part #	TLV70028QDDCRQ1

Description	200-mA LOW-IQ LOW-DROPOUT REGULATOR FOR PORTABLE DEVICES

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Manufacturer	TI1 [Texas Instruments]

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TLV70012A-Q1, TLV70025-Q1, TLV70028-Q1

TLV70030-Q1, TLV70032-Q1, TLV70033-Q1

www.ti.com

SLVSA61F – FEBRUARY 2010 – REVISED AUGUST 2013

ELECTRICAL CHARACTERISTICS

VIN = VOUT(TYP) + 0.3 V or 2 V (whichever is greater); IOUT = 10 mA, VEN = VIN, COUT = 1 μF, and TA = –40°C to 125°C (unless

otherwise noted). Typical values are at TA = 25°C.

space

TLV700xx-Q1

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage range

2

5.5

V

VOUT ≥ 1 V

–2

2

%

VOUT

DC output accuracy

–40°C

≤ TA ≤ 125°C

VOUT < 1 V

–20

20

mV

VOUT(NOM) + 0.5 V ≤ VIN ≤ 5.5 V

ΔVO / ΔVIN

Line regulation

1

5

mV

IOUT = 10 mA

0 mA

≤ IOUT ≤ 200 mA, TLV70025-Q1

15

TLV70030-Q1,TLV70033-Q1

ΔVO / ΔIOUT

Load regulation

mV

0 mA

≤ IOUT ≤ 200 mA, TLV70012A-Q1

20

VDO

Dropout voltage(1)

VIN = 0.98 × VOUT(NOM), IOUT = 200 mA

175

250

mV

ICL

Output current limit

VOUT = 0.9 × VOUT(NOM)

220

350

550

mA

IOUT = 0 mA

31

55

μA

IGND

Ground pin current

IOUT = 200 mA, VIN = VOUT + 0.5 V

270

μA

ISHDN

Ground pin current (shutdown)

VEN ≤ 0.4 V, 2.0 V ≤ VIN ≤ 4.5 V

1

2.5

μA

VIN = 2.3 V, VOUT = 1.8 V

PSRR

Power-supply rejection ratio

68

dB

IOUT = 10 mA, f = 1 kHz

BW = 100 Hz to 100 kHz

VN

Output noise voltage

48

μVRMS

VIN = 2.3 V, VOUT = 1.8 V, IOUT = 10 mA

tSTR

Startup time(2)

COUT = 1 μF, IOUT = 200 mA

100

μs

VEN(HI)

Enable pin high (enabled)

0.9

VIN

V

VEN(LO)

Enable pin low (disabled)

0

0.4

V

IEN

Enable pin current

VEN = 5.5 V , IOUT = 10 μA

0.04

0.5

μA

UVLO

Undervoltage lockout

VIN rising

1.9

V

Shutdown, temperature increasing

160

°C

TSD

Thermal shutdown temperature

Reset, temperature decreasing

140

°C

TA

Operating ambient temperature

–40

125

°C

(1)

VDO is measured for devices with VOUT(NOM) ≥ 2.35 V.

(2)

Startup time = time from EN assertion to 0.98 × VOUT(NOM).

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Product Folder Links: TLV70012A-Q1 TLV70025-Q1 TLV70028-Q1 TLV70030-Q1 TLV70032-Q1 TLV70033-Q1

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