TPS37 datasheet(8/48 Pages) TI

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7.5 Electrical Characteristics (continued)

At VDD(MIN) ≤ VDD ≤ VDD (MAX), CTR1/MR = CTR2/MR = CTS1 = CTS2 = open, output reset pull-up resistor RPU = 10 kΩ,

voltage VPU = 5.5 V, and load CLOAD = 10 pF. The operating free-air temperature range TA = – 40°C to 125°C, unless

otherwise noted. Typical values are at TA = 25°C and VDD = 16 V and VIT = 6.5 V (VIT refers to VITN or VITP).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Capacitor Timing (CTS, CTR)

RCTR

Internal resistance

(CTR1 / MR , CTR2 / MR )

877

1000

1147

Kohms

RCTS

Internal resistance

(CTS1, CTS2)

100

122

Kohms

Manual Reset (MR)

VMR_IH

CTR1 / MR and

CTR2 / MR pin

logic high input

VDD = 2.7 V

2200

VMR_IH

CTR1 / MR and

CTR2 / MR pin

logic high input

VDD = 65 V

2500

VMR_IL

CTR1 / MR and

CTR2 / MR pin

logic low input

VDD = 2.7 V

1300

VMR_IL

CTR1 / MR and

CTR2 / MR pin

logic low input

VDD = 65 V

1300

(1)

When VDD voltage falls below UVLO, reset is asserted for Output 1 and Output 2. VDD slew rate ≤ 100 mV / µs

(2)

VPOR is the minimum VDD voltage for a controlled output state. Below VPOR, the output cannot be determined. VDD dv/dt ≤ 100mV/µs

(3)

For adjustable voltage guidelines and resistor selection refer to Adjustable Voltage Thresholds in Application and Implementation

section

(4)

Hysteresis is with respect to VITP and VITN voltage threshold. VITP has negative hysteresis and VITN has positive hysteresis.

(5)

For VOH and VOL relation to output variants refer to Timing Figures after the Timing Requirement Table

TPS37

SNVSBJ1D – OCTOBER 2020 – REVISED DECEMBER 2021

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