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NCP81255 Datasheet(PDF) 10 Page - ON Semiconductor

Part # NCP81255
Description  Single?륯hase Voltage Regulator
Download  19 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP81255 Datasheet(HTML) 10 Page - ON Semiconductor

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NCP81255
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10
Table 4. STATE TRUTH TABLE
State
VR_RDY Pin
Error AMP
Comp Pin
OVP & UVP
Method
of Reset
POR
0 < VCC < UVLO
N/A
N/A
N/A
Disabled
EN < Threshold
UVLO > Threshold
Low
Low
Disabled
Start-Up Delay & Calibration
EN > Threshold
UVLO > Threshold
Low
Low
Disabled
Soft Start
EN > Threshold
UVLO > Threshold
Low
Operational
Active/No Latch
Normal Operation
EN > Threshold
UVLO > Threshold
High
Operational
Active/Latching
N/A
Over Voltage
Low
N/A
DAC + 150 mV
Over Current
Low
Operational
Last DAC Code
Vout = 0 V
Low: if Reg34h: bit 0 = 0;
High: if Reg34h: bit 0 = 1;
Clamped at 0.9 V
Disabled


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