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Continuous-Time Bipolar Switch Family
A1202
and A1203
4
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (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
(max) + 5 G
or B < B
RP
(min)  5 G
        4    約
Output Rise Time
3
t
r
V
CC
 = 12 V, R
LOAD
 = 820 ? C
S
  = 12 pF
        2    約
Output Fall Time
3
t
f
V
CC
 = 12 V, R
LOAD
 = 820 ? C
S
  = 12 pF
        2    約
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            V
Supply Zener Current
4
I
Z
V
Z
 = 32 V; T
A
 = 25癈
        30   mA
Magnetic Characteristics
5
Operate Point
B
OP
A1202
    26    75    G
A1203
    26    95
G
Release Point
B
RP
A1202
75   26        G
A1203
95   26        G
Hysteresis
B
HYS
A1202
30    52        G
A1203
30    52        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 250 V/約, and T
A
 = 150癈, the Power-On Time can reach its maximum value.
3
 C
S
 =oscilloscope probe capacitance.
4
 Maximum current limit is equal to the maximum I
CC(max)
 + 22 mA.
5
 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).
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) REQUIREMENTS
Contact Allegro for information.
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