TPS3702AX18DDCR datasheet(6/28 Pages) TI1

No de pièce	TPS3702AX18DDCR

Description	High-Accuracy, Overvoltage and Undervoltage Monitor

Download	28 Pages

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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VHYS

UV

tSD

VDD

VDD(min)

SENSE

V(POR)

VIT+(OV)

VIT±(OV)

VIT+(UV)

VIT±(UV)

VHYS

OV

tpd(HL)

tpd(LH)

tSD

Undefined

TPS3702

SBVS251 – JANUARY 2015

www.ti.com

6.6 Timing Requirements

At VDD = 2 V, 2.5% input overdrive

(1) with R

PU = 10 kΩ, VOH = 0.9 × VDD, and VOL = 400 mV, unless otherwise noted. RPU

refers to the pull-up resistor at the UV and OV pins.

MIN

NOM

MAX

UNIT

tpd(HL)

High-to-low propagation delay(2)

19

µs

tpd(LH)

Low-to-high propagation delay(2)

35

µs

tR

Output rise time(3)

2.2

µs

tF

Output fall time(3)

0.22

µs

tSD

Startup delay(4)

300

µs

(1)

Overdrive = | (V(VDD) / VIT – 1) × 100% |.

(2)

High-to-low and low-to-high refers to the transition at the SENSE pin.

(3)

Output transitions from 10% to 90% for rise times and 90% to 10% for fall times.

(4)

During the power-on sequence, VDD must be at or above 2 V for at least tSD before the output is in the correct state.

Figure 1. Timing Diagram

6

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