NCP112 ON Semiconductor, NCP112 Datasheet
NCP112
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NCP112 Summary of contents
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... The NCP112 provides an ability to monitor the status of the power supply outputs and communicate it to the system controller. The programmable output delays protect against spurious fault indicators ...
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PIN FUNCTION DESCRIPTION Pin No. Symbol 1 VS33 3.3 V SENSE INPUT 2 VS5 5.0 V SENSE INPUT 3 VS12 12 V SENSE INPUT 4 ADJ ADJUSTABLE OVP INPUT 5 PGI POWER GOOD INPUT 6 CTUV ADJUSTABLE TIMING CAPACITOR 7 ...
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V REF 1 VS33 2 OV VS5 Detector 3 VS12 UV Detector 8 2.5 V VREF Reference + − 1. ADJ 7 GND SET Fault S Q Delay R Q CLR UV ...
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MAXIMUM RATINGS Rating Power Supply Voltage (Note 1) Power Good Output Current Fault Output Current Voltage Reference Output Current Voltage Rating (Pins 10, 11) Voltage Rating (Pins 12, 13) Power Dissipation and Thermal Characteristics (PDIP−14) Thermal ...
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ELECTRICAL CHARACTERISTICS (continued) (V values, unless otherwise noted.) Characteristic OVERVOLTAGE/UNDERVOLTAGE PROTECTION (continued) Undervoltage Protection (continued) Adjustable Overvoltage Protection Threshold Hysteresis UNDERVOLTAGE BLANKING DURING POWER UP Undervoltage Blanking Time (C TUV = 100 nF) Undervoltage Blanking Threshold Voltage (Pin 6) POWER ...
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V CC REMOTE FAULT PGI PGO 3 Tpg Tremote (ON) Table 1. FUNCTION TABLE PGI REMOTE <1.28 V (L) L <1.28 V (L) L <1.28 V (L) L <1.28 V (L) L <1.28 V (L) ...
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... CONVERTER PWM + OPTO AUXILIARY CONVERTER PWM + OPTO Figure 3. Simplified Application Schematic 12 V MAIN ref STBY + V ref NCP112 − Over and Undervoltage Protection FAULT − Reference − Logic − Sequencer http://onsemi.com 3 STBY PG REM ...
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... V, 5 out of range or the ADJ pin is below 1.28 V. This is independent of the PGI input. The Fault output is the external link between the NCP112 and the primary PWM. In the event of a short circuit condition, the overvoltage circuitry provides an additional ...
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−T− SEATING PLANE 0.13 (0.005) PACKAGE DIMENSIONS PDIP−14 CASE 646−06 ISSUE http://onsemi.com 9 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI ...
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... D 0.35 0.49 0.014 0.019 F 0.40 1.25 0.016 0.049 J G 1.27 BSC 0.050 BSC J 0.19 0.25 0.008 0.009 K 0.10 0.25 0.004 0.009 5.80 6.20 0.228 0.244 R 0.25 0.50 0.010 0.019 14X 1.52 1.27 PITCH ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCP112/D _ ...