ATS128 datasheet(3/25 Pages) ALLEGRO

3 / 25 page

Highly Programmable, Back-Biased,

Hall-Effect Switch with TPOS Functionality

ATS128LSE

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Electrical Characteristics

Supply Voltage

VCC

312

Supply Current

ICC

No load on VOUT

–

5.5

Supply Zener Clamp Voltage

VZSUPPLY TA = 25°C, ICC = ICC(max) + 3 mA

–

Supply Zener Current

IZSUPPLY

VCC = 28 V

–

8.5

Output Zener Clamp Voltage

VZOUTPUT IOUT = 3 mA

–

Reverse Battery Current

IRCC

VCC = –18 V

–5

–

Chopping Frequency

–

400

–

kHz

Power-On Characteristics

Power-On Time1

tPO

TA = 25°C; CLOAD (PROBE) = 10 pF

–

μs

Power-On State2

POS

POL = 0

B < BRP, t > ton

–

High

–

POL = 1

B < BRP , t > ton

–

Low

–

Output Stage Characteristics

Output Saturation Voltage

VOUT(sat)

Output = On, IOUT = 20 mA

–

175

400

Output Leakage Current

IOFF

VOUT = 24 V; Output = Off

–

μA

Output Current Limit

IOUT(lim)

Short-Circuit Protection, Output = On

–

Output Rise Time3

VCC = 12 V, RPU = 820 Ω, CLOAD = 10 pF,

see figure 1

––2

μs

VCC = 12 V, RPU = 2 kΩ, CLOAD = 4.7 nF,

see figure 1

–21–

μs

Output Fall Time4

FALL = 0

VCC = 12 V, RLOAD = 820 Ω,

CLOAD = 10 pF, see figure 1

––2

μs

FALL = 1

VCC = 12 V, RLOAD = 2 kΩ,

CLOAD = 4.7 nF, see figure 1

5–

μs

FALL = 3

VCC = 12 V, RLOAD = 2 kΩ,

CLOAD = 4.7 nF, see figure 1

8–

μs

FALL = 4

VCC = 12 V, RLOAD = 2 kΩ,

CLOAD = 4.7 nF, see figure 1

10–16

μs

OPERATING CHARACTERISTICS Valid with TA = –40°C to 150°C, CBYPASS = 0.1 μF, VCC = 12 V, unless otherwise noted

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Continued on the next page…

V+

100

VOUT(High)

VOUT(Low)

Figure 1. Rise Time and Fall Time Definitions

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