7.4 Thermal Information (continued)

THERMAL METRIC(1)

TPS6281x-Q1

UNIT

RWY

9 PINS

RθJC(bot)

Junction-to-case (bottom) thermal resistance

n/a

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

7.5 Electrical Characteristics

over operating junction temperature (TJ = -40 °C to +150 °C) and VIN = 2.75 V to 6 V. Typical values at VIN = 5 V and TJ = 25

°C. (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY

IQ

Operating Quiescent Current

EN = high, IOUT= 0 mA, Device not switching,

TJ= 125 °C

21

µA

IQ

Operating Quiescent Current

EN = high, IOUT= 0 mA, Device not switching

15

30

µA

ISD

Shutdown Current

EN = 0 V, at TJ = 125°C

18

µA

ISD

Shutdown Current

EN = 0 V, Nominal value at TJ= 25°C,

Max value at TJ= 150 °C

1.5

26

µA

VUVLO

Undervoltage Lockout

Threshold

Rising Input Voltage

2.5

2.6

2.75

V

Falling Input Voltage

2.25

2.5

2.6

V

TSD

Thermal Shutdown

Temperature

Rising Junction Temperature

170

°C

Thermal Shutdown Hysteresis

15

CONTROL (EN, SS/TR, PG, MODE/SYNC)

VIH

High Level Input Voltage for

MODE/SYNC Pin

1.1

V

VIL

Low Level Input Voltage for

MODE/SYNC Pin

0.3

V

fSYNC

Frequency Range on MODE/

SYNC Pin for Synchronization

requires a resistor from COMP/FSET to GND, see application

section

1.8

4

MHz

Duty Cycle of Synchronization

Signal at MODE/SYNC Pin

20%

50%

80%

Time to Lock to External

Frequency

50

µs

VIH

Input Threshold Voltage for

EN pin; Rising Edge

1.06

1.1

1.15

V

VIL

Input Threshold Voltage for

EN pin; Falling Edge

0.96

1.0

1.05

V

ILKG

Input Leakage Current for EN,

MODE/SYNC

VIH = VIN or VIL= GND

150

nA

Resistance from COMP/FSET

to GND for Logic Low

internal frequency setting with f = 2.25 MHz

0

2.5

kΩ

voltage on COMP/FSET for

logic high

internal frequency setting with f = 2.25 MHz

VIN

V

VTH_PG

UVP Power Good Threshold

Voltage; dc Level

Rising (%VFB)

92%

95%

98%

UVP Power Good Threshold

Voltage; dc Level

Falling (%VFB)

87%

90%

93%

OVP Power Good Threshold;

dc Level

Rising (%VFB)

107%

110%

113%

OVP Power Good Threshold;

dc Level

Falling (%VFB)

104%

107%

111%

Power Good De-glitch Time

for a high level to low level transition on power good

40

µs

VOL_PG

Power Good Output Low

Voltage

IPG = 2 mA

0.07

0.3

V

ILKG_PG

Input Leakage Current (PG)

VPG = 5 V

100

nA

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

SLVSDU1J – AUGUST 2018 – REVISED MARCH 2023

www.ti.com

6

Submit Document Feedback

Copyright © 2023 Texas Instruments Incorporated

Product Folder Links: TPS62810-Q1 TPS62811-Q1 TPS62812-Q1 TPS62813-Q1