AH278Z4-AE1 View Datasheet(PDF) - BCD Semiconductor
Part Name
Description
MFG CO.
'AH278Z4-AE1' PDF : 11 Pages View PDF
HIGH VOLTAGE HALL EFFECT LATCH
Typical Applications
D1
Data Sheet
AH278
AH278
VCC DO DOB GND
1234
R1
COIL1 COIL2
VCC
Z1
Z2
R1: R1< (VCC-5.5V)/16mA, 0.5W (Note 3)
Z1, Z2: Zener diode, 2*VCC≤VZ≤60V
Figure 13. Typical Application Circuit with D1
Note 3: Recommended R1 for different VCC
VCC (V)
7
8
9
10
11
R1 (Ω)
0
0
0
0
0
VCC (V)
18
19
20
21
22
R1 (Ω)
750 820 820
910
1k
12
13
14
15
16
17
0
470 510 560 620 680
23
24
25
26
27
28
1k
1.1k 1.2k 1.2k 1.3k 1.3k
Feb. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
9
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