3197 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
Manufacturer
3197 Datasheet PDF : 12 Pages
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3197
PROTECTED, HIGH-TEMP.,
OPEN-COLLECTOR
HALL-EFFECT LATCH
ELECTRICAL CHARACTERISTICS
over operating voltage and temperature range (unless otherwise specified).
Characteristic
Supply Voltage
Overvoltage Shutdown*
Undervoltage Shutdown*
Output Voltage, On
Output Leakage Current
Output Clamp Voltage
Output Current Limit
Supply Current
Symbol
VCC
VCC(OV)
VCC(UV)
VOUT(SAT)
IOFF
VOUT(CLMP)
IOUTMAX
ICC
Reverse Battery Current*
IRCC
Output Rise Time
tr
Output Fall Time
tf
Thermal Shutdown Temp.*
TJ
Package Thermal Resist.
RθJA
Test Conditions
Operating (but VCC x ICC vs TA limited)
B > BOP
B > BOP
B > BOP, IOUT = 30 mA, VCC = 16 V
VOUT = 26 V
B < BRP, VCC = 115 V*, IOUT = 0
B > BOP, VOUT = 12 V
B < BRP, VCC = 24 V, IOUT = 0
B > BOP, VCC = 24 V, IOUT = 20 mA
VCC = +115 V*
VRCC = -35 V*
VRCC = -100 V*
CL = 20 pF, RL = 330 Ω, VBB = 12 V
CL = 20 pF, RL = 330 Ω, VBB = 12 V
“LT” Package
“U” Package
Min.
VCC(UV)
28
3.7
—
—
28
35
—
—
—
—
—
—
—
165
—
—
Limits
Typ. Max.
12
26
—
55
—
4.5
0.2
0.5
—
5.0
32
40
50
70
5.2
9.0
7.8
12
8.0
17
-0.5
-5.0
-2.0
-10
0.05
2.0
0.30
5.0
—
190
258
—
183
—
Units
V
V
V
V
µA
V
mA
mA
mA
mA
mA
mA
µs
µs
°C
°C/W
°C/W
MAGNETIC CHARACTERISTICS over operating voltage range (unless otherwise specified).
Characteristic
Operate Point
Release Point
Hysteresis
(BOP - BRP)
Symbol
BOP
BRP
Bhys
Test Conditions
TA = -40°C
TA = +25°C
TA = +150°C
TA = -40°C
TA = +25°C
TA = +150°C
TA = -40°C
TA = +25°C
TA = +150°C
Min.
60
50
40
-200
-160
-150
150
130
110
Limits
Typ. Max.
130
200
110
160
105
150
-140
-60
-120
-50
-100
-40
270
—
230
—
205
—
NOTES: BOP = magnetic operate point (output turns ON); BRP = magnetic release point (output turns OFF).
As used here, negative flux densities are defined as less than zero (algebraic convention).
Typical values are at TA = +25°C and VCC = 12 V (unless otherwise specified).
* Fault condition. Device is shut down and operation is not possible.
Units
G
G
G
G
G
G
G
G
G
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