参数资料
型号: L497B
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDIP16
封装: DIP-16
文件页数: 7/11页
文件大小: 474K
代理商: L497B
Obsolete
Product(s)
- Obsolete
Product(s)
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V6SAT
RPM Output Saturation Voltage
I6 = 18.5 mA
I6 = 25 mA
0.5
0.8
V
I6 leak
RPM Output Leakage Current
VS = 20 V
50
A
VZ7
Auxiliary Zener Voltage
I7 = 20 mA
19
27
V
V12
Reference Voltage
1.20
1.25
1.30
V
Figure 1 : Main Waveforms.
APPLICATION INFORMATION
Notes : 1.
2.
td/t desaturation ratio is given by:
td
T
=
1
+ I11C I11D
Isense = Icoil when the external Darlington is in the active region.
L497
5/11
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