Diodes AH278 User Manual
Page 9
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![background image](/manuals/306429/9/background.png)
9
Nov. 2009 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Data Sheet
HIGH VOLTAGE HALL EFFECT LATCH AH278
Typical Applications
Figure 13. Typical Application Circuit with D1
Z1, Z2: Zener diode, 2*V
CC
≤V
Z
≤60V
R1: R1
< (V
CC
-5.5V)/16mA, 0.5W (Note 3)
Note 3: Recommended R1 for different V
CC
V
CC
(V)
7
8
9
10
11
12
13
14
15
16
17
R1 (
Ω)
0
0
0
0
0
0
470
510
560
620
680
V
CC
(V)
18
19
20
21
22
23
24
25
26
27
28
R1 (
Ω)
750
820
820
910
1k
1k
1.1k
1.2k
1.2k
1.3k
1.3k
AH278
V
CC
DO DOB GND
1
2
3
4
COIL1
COIL2
V
CC
D1
Z2
Z1
R1
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