TPS3806I33-Q1 datasheet(4/15 Pages) TI1

Part #	TPS3806I33-Q1

Description	Dual Voltage Detector With Adjustable Hysteresis

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Manufacturer	TI1 [Texas Instruments]

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TPS3806I33-Q1

SLVSBW8A – MARCH 2013 – REVISED MARCH 2013

www.ti.com

ELECTRICAL CHARACTERISTICS

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VDD = 1.5 V, IOL = 1 mA

VOL

Low-level output voltage

VDD = 3.3 V, IOL = 2 mA

0.3

V

VDD = 6 V, IOL = 3 mA

Power-up reset voltage(1)

VDD ≥ 0.8 V, IOL = 50 µA

0.2

V

LSENSE

1.198

1.207

1.216

TA = 25°C

TPS3806I33-Q1

2.978

3

3.022

LSENSE

1.188

1.207

1.226

Negative-going

VIT

TA = 0°C to 70°C

V

input threshold voltage(2)

TPS3806I33-Q1

2.952

3

3.048

LSENSE

1.183

1.207

1.231

TA = –40°C to 125°C

TPS3806I33-Q1

2.94

3

3.06

1.2 V < VIT < 2.5 V

60

Vhys

Hysteresis

mV

2.5 V < VIT < 3.5 V

90

II

Input current

LSENSE, HSENSE

–25

25

nA

IOH

High-level output current

VDD = VIT + 0.2 V, VOH = VDD

300

nA

VDD = 3.3 V, output unconnected

3

5

IDD

Supply current

µA

VDD = 6 V, output unconnected

4

6

Ci

Input capacitance

VI = 0 V to VDD

1

pF

(1)

The lowest supply voltage at which RESET becomes active. tr,VDD ≥ 15 µs/V

(2)

To ensure best stability of the threshold voltage, place a bypass capacitor (ceramic, 0.1 µF) near the supply terminals.

SWITCHING CHARACTERISTICS

at RL = 1 MΩ, CL = 50 pF, TA = –40°C to 125°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VDD to RESET delay

Propagation (delay) time,

tPHL

5

100

µs

high-to-low-level output

LSENSE to RSTSENSE delay

VIH = 1.05 x VIT,

VIL = 0.95 x VIT

VDD to RESET delay

Propagation (delay) time,

tPLH

5

100

µs

low-to-high-level output

HSENSE to RSTSENSE delay

TIMING REQUIREMENTS

at RL = 1 MΩ, CL = 50 pF, TA = –40°C to 125°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

At VDD

tw

Pulse duration

VIH = 1.05 x VIT, VIL = 0.95 x VIT

5.5

µs

At SENSE

4

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