NCP112P ON Semiconductor, NCP112P Datasheet - Page 6

• Manufacturer Part Number: NCP112P
• Description: IC SUPERVISORY PS DESKTOP 14DIP
• Manufacturer: ON Semiconductor
• Type: Multi-Voltage Supervisorr

Specifications of NCP112P

• Number Of Voltages Monitored: 4
• Output: Open Drain or Open Collector
• Reset: Active High
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 3.3V, 5V, 12V, Adj
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2. X = > Don’t care.
3. FAULT = L means main PWM is Enable.
4. PGO = H means power supply is working within ATX specifications.
Table 1. FUNCTION TABLE
3.3 V, 5 V, 12 V
REMOTE
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
FAULT
PGO
V
PGI
PGI
X
CC
Tremote (ON)
REMOTE
H
L
L
L
L
L
L
L
L
L
L
L
L
Tpg
Tremote (OFF)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
>1.28 V (H)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
<1.28 V (L)
Figure 2. Timing Diagram
ADJ
X
http://onsemi.com
6
OVP
Undervoltage
Yes
Yes
Yes
Yes
Tfault (OV)
No
No
No
No
No
No
No
No
X
Overvoltage
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
X
FAULT
H
H
H
H
H
H
H
H
H
H
H
L
L
UVP
PGO
H
L
L
L
L
L
L
L
L
L
L
L
L