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ST1843 Datasheet(PDF) 8 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) 8 Page - STMicroelectronics

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Electrical characteristics
ST1843 - ST1845
8/25
Doc ID 019049 Rev 1
Ii
3005
Operating supply current
VI = 15V
(1); R
T = 10kΩ; CT = 3.3nF
VPIN2 = VPIN3 = 0V
17
mA
Viz
Zener voltage
VI = 15V
(1); R
T = 10kΩ; CT = 3.3nF
Ii = 25mA
30
V
1.
Adjust Vi above the start threshold before setting at 15V
2.
Parameter measured at trip point of latch with VPIN2 = 0.
3.
Gain defined as:
Table 5.
Electrical characteristics (continued)
Symbol
MIL-STD-
883 test
method
Parameter
Test conditions
Values
Unit
Min.
Max.
A
ΔV
PIN1
ΔV
PIN3
------------------- 0
ΔV
PIN3
0.8V
≤≤
;
=



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