參數(shù)資料
型號: L6561
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 0.7 A POWER FACTOR CONTROLLER, PDIP8
封裝: MINI, DIP-8
文件頁數(shù): 9/13頁
文件大小: 176K
代理商: L6561
5/13
L6561
dently from the average output voltage. The precision in setting the overvoltage threshold is 7% of the ov-
ervoltage value (for instance
V = 60V ± 4.2V).
3.1 Disable function
The zero current detector (ZCD) pin can be used for device disabling as well. By grounding the ZCD volt-
age the device is disabled reducing the supply current consumption at 1.4mA typical (@ 14.5V supply volt-
age).
Releasing the ZCD pin the internal start-up timer will restart the device.
Figure 4.
Figure 5. Overvoltage Protection Circuit
VOUT nominal
ISC
40
A
E/A OUTPUT
2.25V
DYNAMIC OVP
STATIC OVP
D97IN592A
OVER VOLTAGE
10
A
+Vo
D97IN591
-
+
2
R1
R2
Ccomp.
E/A
1
2.5V
I
-
+
X
PWM
DRIVER
2.25V
40
A
I
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