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ST1843 Datasheet(PDF) 17 Page - STMicroelectronics

Part # ST1843
Description  Rad-tolerant current mode PWM controller
PDF  25 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1843 Datasheet(HTML) 17 Page - STMicroelectronics

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ST1843 - ST1845
Test circuit
Doc ID 019049 Rev 1
17/25
Figure 18.
Error amp configuration
Figure 19.
Under voltage lockout
Figure 20.
Current sense circuit
Peak current (is) is determined by the formula:
A small RC filter may be required to suppress switch transients.
I
Smax
1.0V
R
S
------------
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