Continuous-Time Bipolar Switch
A1205
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
OPERATING CHARACTERISTICS over full operating voltage and ambient temperature ranges, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Electrical Characteristics
Supply Voltage
1
V
CC
Operating, T
J
< 165癈
3.8 24 V
Output Leakage Current
I
OUTOFF
V
OUT
= 24 V, B < B
RP
10 糀
Output On Voltage
V
OUT(SAT)
I
OUT
= 20 mA, B > B
OP
215 400 mV
Power-On Time
2
t
PO
Slew rate (dV
CC
/dt) < 2.5 V/約, B > B
OP
+ 5 G or
B < B
RP
5 G
4 約
Output Rise Time
3
t
r
V
CC
= 12 V, R
LOAD
= 820 ? C
S
= 12 pF
200 ns
Output Fall Time
3
t
f
V
CC
= 12 V, R
LOAD
= 820 ? C
S
= 12 pF
200 ns
Supply Current
I
CCON
B > B
OP
3.8 7.5 mA
I
CCOFF
B < B
RP
3.5 7.5 mA
Reverse Battery Current
I
RCC
V
RCC
= 30 V
10 mA
Supply Zener Clamp Voltage
V
Z
I
CC
= 30 mA; T
A
= 25癈
32 40 V
Supply Zener Current
I
Z
V
Z
= 32 V; T
A
= 25癈
30 mA
Magnetic Characteristics
4
Operate Point
B
OP
South pole adjacent to branded face of device
40 15 50 G
Release Point
B
RP
North pole adjacent to branded face of device
50 15 40
G
Hysteresis
B
HYS
B
OP
B
RP
5 30 55 G
1
Maximum voltage must be adjusted for power dissipation and junction temperature, see Power Derating section.
2
For V
CC
slew rates greater than 2.5 V/約, and T
A
= 150癈, the Power-On Time can reach its maximum value.
3
C
S
=oscilloscope probe capacitance.
4
Magnetic flux density, B, is indicated as a negative value for north-polarity magnetic fields, and as a positive value for south-polarity magnetic fields.
This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the relative strength of the field is indicated
by the absolute value of B, and the sign indicates the polarity of the field (for example, a 100 G field and a 100 G field have equivalent strength, but
opposite polarity). Reference to the magnetic field polarity is with respect to the beveled face of the device.
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) REQUIREMENTS
Contact Allegro for information.
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