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參數(shù)資料
| 型號(hào)： | 3197 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Protected,High-Temperature,Hall-Effect Latch With Active Pull-Down(保護(hù)型，工作于高溫，集電極開(kāi)路霍爾效應(yīng)鎖存器) |
| 中文描述： | 保護(hù)，高溫，霍爾效應(yīng)與主動(dòng)下拉（保護(hù)型，工作于高溫，集電極開(kāi)路霍爾效應(yīng)鎖存器鎖存） |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 193K |
| 代理商： | 3197 |
3197
PROTECTED, HIGH-TEMP.,
OPEN-COLLECTOR
HALL-EFFECT LATCH
www.allegromicro.com
ISO
Pulse No.
Test
Test Conditions (over operating temperature range)
1
Inductive Turn Off (Negative)
V
S
= -100 V, R
S
= 10
, t
r
= 1
μ
s, t
d
= 2 ms
2
Inductive Turn Off (Positive)
V
S
= 100 V, R
S
= 10
, t
r
= 1
μ
s, t
d
= 50
μ
s
3a
Capacitive/Inductive Coupling (Neg)
V
S
= -150 V, R
S
= 50
, t
r
= 50 ns, t
d
= 100 ns
3b
V
S
= 100 V, R
S
= 50
, t
r
= 50 ns, t
d
= 100 ns
4
Reverse Battery
V
S
= -14 V, t
d
= 20 s
5
Load Dump
(ISO)
V
S
= 86.5 V, R
S
= 0.5
, t
r
= 5 ms, t
d
= 400 ms
(DIN)
V
S
= 120 V, R
S
= 0.5
, t
r
= 100 ns, t
d
= 400 ms
6
Ignition Coil Disconnect
EXTERNAL PROTECTION REQ’D
V
S
= -300 V, R
S
= 30
, t
r
= 60
μ
s, t
d
= 300
μ
s
7
Field Decay (Negative)
V
S
= -80 V, R
S
= 10
, t
r
= 5 ms, t
d
= 100 ms
INTERNAL PROTECTIVE FEATURES
Power supply voltage transients, or device output short circuits,
may be caused by faulty connectors, crimped wiring harnesses, or
service errors. To prevent catastrophic failure, internal protection
against overvoltage, reverse voltage, output overloads, and thermal
stress have been incorporated to meet the automotive 12 volt system
protection requirements of ISO DP7637/1 and DIN 40839-1. A series-
blocking diode or current-limiting resistor is required in order to
survive pulse number six.
0
12 V
V
S
t
r
t
d
0.9 V
0.1 V
S
S
Dwg. WH-008
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