A3295KUA-T Datasheet, PDF (4/9 Pages) Allegro MicroSystems – Chopper Stabilized, Precision Hall Effect Switch for Consumer and Industrial Applications

A3295
Chopper Stabilized, Precision Hall Effect Switch
for Consumer and Industrial Applications
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value Units
Package LH, 1-layer PCB with copper limited to solder pads
228 ºC/W
Package Thermal Resistance
R_θJA
Package LH, 2-layer PCB with 0.463 in.² of copper area each side
connected by thermal vias
110 ºC/W
Package UA, 1-layer PCB with copper limited to solder pads
165 ºC/W
*Additional thermal information available on Allegro website.
Power Derating Curve
25
24
23
22
21
20
19
18
17
16
15
14
13
12
2-layer PCB, Package LH
11
(R_QJA = 110 ºC/W)
10
9
1-layer PCB, Package UA
8
(R_QJA = 165 ºC/W)
7
6
1-layer PCB, Package LH
5
(R_QJA = 228 ºC/W)
4
3
2
V_CC(max)
V_CC(min)
20 40 60 80 100 120 140 160 180
Temperature (ºC)
Power Dissipation versus Ambient Temperature
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
20
(R1_θ^-_J^la_A^y=e(Rr12θ_P6^{J-AlC5ay=BºeC,1r} _{P1/PW0aCc)ºBCk,a/PWga)eckUaAge LH}
(1R-_θ^l_J^a_A^{ye=r2P2C8BºC,} _{P/Wac)kage LH}
40 60 80 100 120 140 160 180
Temperature (°C)
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com