7 Specifications

7.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)

MIN

MAX

UNIT

Pin voltage range(1)

VIN

–0.3

6.5

V

SW

–0.3

VIN+0.3

V

SW (transient for less than 10 ns)(2)

–3

10

V

FB

–0.3

4

V

PG, SS/TR, COMP/FSET

–0.3

VIN+0.3

V

Pin voltage range(1)

EN, MODE/SYNC

–0.3

6.5

V

Storage temperature, Tstg

–65

150

°C

(1)

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress

ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under

Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device

reliability.

(2)

While switching

7.2 ESD Ratings

VALUE

UNIT

V(ESD)

Electrostatic discharge

Human-body model (HBM), per AEC Q100-002(1)

±2000

V

Charged-device model (CDM), per AEC Q100-011

±750

(1)

AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.

7.3 Recommended Operating Conditions

MIN

NOM

MAX

UNIT

VIN

Supply voltage range

2.75

6

V

VOUT

Output voltage range

0.6

5.5

V

L

Effective inductance for a switching frequency of 1.8 MHz to 3.5 MHz

0.32

0.47

0.9

µH

L

Effective inductance for a switching frequency of 3.5 MHz to 4 MHz

0.25

0.33

0.9

µH

COUT

Effective output capacitance for 1A and 2A version(1)

15

22

470

µF

COUT

Effective output capacitance for 3A and 4A version (1)

27

47

470

µF

CIN

Effective input capacitance(1)

5

10

µF

RCF

4.5

100

kΩ

TJ

Operating junction temperature

–40

+150

°C

(1)

The values given for the capacitors in the table are effective capacitance, which includes the DC bias effect. Due to the DC bias

effect of ceramic capacitors, the effective capacitance is lower than the nominal value when a voltage is applied. Please check the

manufacturer´s DC bias curves for the effective capacitance vs DC voltage applied. Further restrictions may apply. Please see the

feature description for COMP/FSET about the output capacitance vs compensation setting and output voltage.

7.4 Thermal Information

THERMAL METRIC(1)

TPS6281x-Q1

UNIT

RWY

9 PINS

RθJA

Junction-to-ambient thermal resistance

71.1

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

37.2

°C/W

RθJB

Junction-to-board thermal resistance

16.4

°C/W

ψJT

Junction-to-top characterization parameter

0.9

°C/W

ψJB

Junction-to-board characterization parameter

16.1

°C/W

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TPS62810-Q1, TPS62811-Q1, TPS62812-Q1, TPS62813-Q1

SLVSDU1J – AUGUST 2018 – REVISED MARCH 2023

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