TPS62870 datasheet(10/66 Pages) TI2

10 / 66 page

6.5 Electrical Characteristics (continued)

over operating junction temperature (TJ = –40°C to 125°C) and VIN = 2.7V to 6V. Typical values at VIN = 3.3V and TJ = 25°C

(unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIT–

Negative-going power-on reset threshold

1.4

TSD

Thermal shutdown threshold temperature TJ rising

170

°C

Thermal shutdown hysteresis

°C

Thermal warning threshold temperature

TJ rising

150

°C

Thermal warning hysteresis

°C

CONTROL and INTERFACE

VIT+

Positive-going input threshold voltage

(EN)

0.97

1.0

1.03

VIT–

Negative-going input threshold voltage

(EN)

0.87

0.9

0.93

Vhys

Hysteresis voltage (EN)

IIH

High-level input current (EN)

VIH = VIN, internal pulldown resistor

disabled

200

IIL

Low-level input current (EN)

VIL = 0V, internal pulldown resistor

disabled

–200

VIH

High-level input voltage (SDA, SCL,

MODE/SYNC, VSEL, FSEL, SYNC_OUT)

0.8

VIL

Low-level input voltage (SDA, SCL,

MODE/SYNC, VSEL, FSEL, SYNC_OUT)

0.4

VOL

Low-level output voltage (SDA)

IOL = 3mA

0.4

IOL = 9mA

0.4

IOL = 5mA

0.2

IOH

High-level output current (SDA, SCL)

VOH = 3.3V

200

IIL

Low-level input current (MODE/SYNC)

VIL = 0V

–150

150

IIH

High-level input current (MODE/SYNC)

VIH = VIN

µA

IIL

Low-level input current (SYNC_OUT)

VIL = 0V

–250

IIH

High-level input current (SYNC_OUT)

VIH = 2V

150

CIN_SDA_

SCL

Parasitic input capacitance on SDA and

SCL pins

td(EN)1

Enable delay time when EN tied to VIN

Measured from when EN goes high to

when device starts switching

SRVIN = 1V/µs

175

500

µs

td(EN)2

Enable delay time when VIN already

applied

Measured from when EN goes high to

when device starts switching

100

µs

td(RAMP)

Output voltage ramp time

Measured from when device starts

switching to rising edge of PG

0.35

0.5

0.65

0.7

1.3

1.4

2.6

2.8

5.2

Time to lock external frequency

µs

Internal pullup resistance (VSEL, FSEL)

5.5

kΩ

Internal pulldown resistance (VSEL,

FSEL)

1.3

2.2

kΩ

VT+

Positive-going power good threshold

voltage (output undervoltage)

98 %VOUT

VT–

Negative-going power good threshold

voltage (output undervoltage)

96 %VOUT

TPS62870, TPS62871, TPS62872, TPS62873

SLVSGC5E – JANUARY 2023 – REVISED OCTOBER 2025

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