3175 datasheet(2/8 Pages) ALLEGRO

2 / 8 page

3175 AND 3177

HALL-EFFECT

LATCHES

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

FUNCTIONAL BLOCK DIAGRAM

NOTE: As used here, negative flux densities are defined as less than zero (algebraic convention).

Complete part number includes a suffix denoting package type (LT, U, or UA).

TA = +25

°CT

A = -20

°C to +85°C

Characteristic

Min.

Typ.

Max.

Min.

Typ.

Max.

Operate Point, BOP

UGN3175

—

170

—

180

UGN3177

—

150

—

150

Release Point, BRP

UGN3175

-170

—

-25

-180

—

-15

UGN3177

-150

—

-50

-150

—

-25

Hysteresis, Bhys

UGN3175

100

200

—

180

—

UGN3177

100

200

—

180

—

VCC

REG.

Dwg. FH-005-2

GROUND

OUTPUT

Part

Number*

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Supply Voltage

VCC

Operating

4.5

—

Output Saturation Voltage

VOUT(SAT)

VCC = 18 V, IOUT = 10 mA, B > BOP

—

200

300

Output Leakage Current

IOFF

VOUT = 18 V, B < BRP

—

0.05

5.0

µA

Supply Current

ICC

VCC = 4.5 V, B < BRP (Output OFF)

—

5.0

Output Rise Time

VCC = 12 V, RL = 1.1 k

Ω, CL = 20 pF

—

0.04

2.0

µs

Output Fall Time

VCC = 12 V, RL = 1.1 k

Ω, CL = 20 pF

—

0.18

2.0

µs

ELECTRICAL CHARACTERISTICS at TA = +25

°C, V

CC = 4.5 V to 18 V (unless otherwise noted).

MAGNETIC CHARACTERISTICS in gauss; VCC = 4.5 V to 18 V.

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