A1205 데이터 시트보기 (PDF) - Allegro MicroSystems
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A1205 Datasheet PDF : 12 Pages
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A1205
Continuous-Time Bipolar Switch
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Package Thermal Resistance
Symbol
RθJA
Test Conditions*
Package LH, 1-layer PCB with copper limited to solder pads
Package LH, 2-layer PCB with 0.463 in.2 of copper area each side
connected by thermal vias
Package UA, 1-layer PCB with copper limited to solder pads
*Additional thermal information available on Allegro Web site.
Power Derating Curve
TJ(max) = 165ºC; ICC = ICC(max)
25
24
23
22
21
20
Package LH, 1-layer PCB
(R JA = 228 ºC/W)
19
18
17
16
15
14
Package UA, 1-layer PCB
13
12
(R JA = 165 ºC/W)
11
10
9
Package LH, 2-layer PCB
(R JA = 110 ºC/W)
8
7
6
5
4
3
2
VCC(max)
VCC(min)
20 40 60 80 100 120 140 160 180
Value Units
228 ºC/W
110 ºC/W
165 ºC/W
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
(R1θ-JlaAy=e(Rr12θP6J-AlC5ay=BºeC,1r P1/PW0aCc)ºBCk,a/PWga)eckUaAge LH
(1R-θlJaAye=r2P2C8BºC, P/Wac)kage LH
40 60 80 100 120 140 160 180
Temperature (°C)
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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