A1227LLTTR-T Allegro Microsystems Inc, A1227LLTTR-T Datasheet - Page 4

• Manufacturer Part Number: A1227LLTTR-T
• Description: HALL EFFECT LATCH FOR HIGH TEMPERATURE OPERATION
• Manufacturer: Allegro Microsystems Inc
• Type: Bipolar Latchr

Specifications of A1227LLTTR-T

• Sensing Range: 150G Trip, -150G Release
• Voltage - Supply: 3.8 V ~ 24 V
• Current - Supply: 6mA
• Current - Output (max): 25mA
• Output Type: Digital, Open Drain
• Features: Regulated Voltage
• Operating Temperature: -40°C ~ 150°C
• Package / Case: SOT-89-3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1350-2

THERMAL CHARACTERISTICS
A1225, A1227
and
Package Thermal Resistance
*Additional thermal information available on Allegro website.
A1229
Characteristic
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
Hall Effect Latch for High Temperature Operation
900
800
700
600
500
400
300
200
100
may require derating at maximum conditions, see application information
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
0
9
8
7
6
5
4
3
2
20
20
Symbol
R
θJA
40
40
1-layer PCB, Package LT
(R
θJA
1-layer PCB, Package UA
(R
60
Package LT, 1-layer PCB with copper limited to solder pads
Package LT, 2-layer PCB with 0.94 in
Package UA, 1-layer PCB with copper limited to solder pads
60
= 180 ºC/W)
θJA
Power Derating Curve
2-layer PCB, Package LT
(R
= 165 ºC/W)
Power Dissipation
θJA
80
Temperature (°C)
80
= 78 ºC/W)
T
A
100
(ºC)
100
120
120
Test Conditions*
140
140
160
160
2
copper each side
180
180
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
V
V
CC(min)
CC(max)
Value
180
165
78
Units
ºC/W
ºC/W
ºC/W
4