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TPS62080, TPS62080A, TPS62081, TPS62082

SLVSAE8F – SEPTEMBER 2011 – REVISED NOVEMBER 2016

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Product Folder Links: TPS62080 TPS62080A TPS62081 TPS62082

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Copyright © 2011–2016, Texas Instruments Incorporated

7.5 Electrical Characteristics

Over recommended free-air temperature range, TJ = –40°C to 125°C. Typical values are at TA = 25°C (unless otherwise

noted), VIN= 3.6 V, MODE = LOW.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY

VIN

Input voltage range

2.3

6

V

IQ

Quiescent current into VIN

IOUT = 0 mA, Device not switching

30

uA

Quiescent current into VIN

(SNOOZE MODE)

IOUT = 0 mA, Device not switching, MODE=HIGH

6.5

uA

ISD

Shutdown current into VIN

EN = LOW

7

µA

TA = -40°C to 85°C

1

VUVLO

Undervoltage lockout

Input voltage falling

1.8

2

V

Undervoltage lockout hysteresis

Rising above VUVLO

120

mV

TJSD

Thermal shutdown

Temperature rising

150

°C

Thermal shutdown hysteresis

Temperature falling below TJSD

20

°C

LOGIC INTERFACE (EN MODE)

VIH

High level input voltage

2.3 V

≤ VIN ≤ 6 V

1

V

VIL

Low level input voltage

2.3 V

≤ VIN ≤ 6 V

0.4

V

ILKG

Input leakage current

0.01

0.5

µA

POWER GOOD

VPG

Power good threshold

VOUT falling referenced to VOUT nominal

–15%

–10%

–5%

Power good hysteresis

5%

VOL

Low level voltage

Isink = 500 µA

0.3

V

IPG,LKG

PG Leakage current

VPG = 5.0 V

0.01

0.1

µA

OUTPUT

VOUT

Output voltage range

TPS62080, TPS62080A

0.5

4.0

V

Output voltage accuracy

TPS62081

IOUT = 0 mA; VIN ≥ 2.3 V

–2.5%

2.5%

Output voltage accuracy

TPS62082

IOUT = 0 mA; VIN ≥ 3.6 V

–2.5%

2.5%

Snooze Mode output voltage

accuracy

MODE = HIGH; VIN ≥ 2.3 V and VIN ≥ VOUT + 1 V

–5%

5%

VFB

Feedback regulation voltage

TPS62080, TPS62080A

VIN ≥ 2.3 V and VIN ≥ VOUT + 1 V

0.438

0.45

0.462

V

IFB

Feedback input bias current

TPS62080, TPS62080A

VFB = 0.45 V

10

100

nA

RDIS

Output discharge resistor

EN = LOW, VOUT = 1.8 V

1

k

Ω

TPS62080A, EN = LOW, VOUT = 1.2 V

25

40

65

Ω

Line Regulation

0

%/V

Load Regulation

TPS62081, TPS62082

–0.25

%/A

RDS(on)

High-side FET ON-resistance

ISW = 500 mA

95

m

Ω

Low-side FET ON-resistance

ISW = 500 mA

70

m

Ω

ILIM

High-side FET switch current

limit

Rising inductor current

1.6

2.8

4

A