參數(shù)資料
型號(hào): A3197EU
廠商: Allegro MicroSystems, Inc.
英文描述: IC SENSOR QWHEEL ROTARY 14TSSOP
中文描述: 保護(hù),高溫,集電極開路霍爾效應(yīng)鎖存
文件頁(yè)數(shù): 2/12頁(yè)
文件大小: 193K
代理商: A3197EU
3197
PROTECTED, HIGH-TEMP.,
OPEN-COLLECTOR
HALL-EFFECT LATCH
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1995, 1999, Allegro MicroSystems, Inc.
FUNCTIONAL BLOCK DIAGRAM
REG.
OUTPUT
3
X
Dwg. FH-012A
GROUND
V
CC
1
<1
POWER UP &
TRANSIENT
PROTECTION
CURRENT
LIMIT
2
OVERVOLT.
LOCKOUT
THERMAL
SHUTDOWN
CONTROL
600
400
200
40
80
120
160
0
AMBIENT TEMPERATURE IN
°
C
A
Dwg. GH-054A
"U" PACKAGE
R
θ
JA
= 183
°
C/W
"LT" PACKAGE
R
θ
JA
= 258
°
C/W
60
100
140
180
700
500
300
100
20
800
NOTE – Permitted duty cycle will be less than 100%
at maximum ambient temperature with high supply
voltages, i.e., T
A
140
°
C, V
CC
12 V, and the “LT”
package. The thermal shutdown circuitry does not
protect the device from these stresses (see Internal
Protective Features).
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