NCP1002P ON Semiconductor, NCP1002P Datasheet
NCP1002P
Specifications of NCP1002P
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NCP1002P Summary of contents
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... Semiconductor Components Industries, LLC, 2010 December, 2010 - - Rev. 12 STARTUP STARTUP CIRCUIT NCP1000PG POWER SWITCH CIRCUIT NCP1001PG PWM CONTROL & POWER SWITCH CIRCUIT NCP1002PG *Consult factory for additional optocoupler fail--safe OSCILLATOR latching, frequency, and current limit options. 1 http://onsemi.com PDIP SUFFIX 8 CASE 626 1 Pin ...
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FUNCTIONAL PIN DESCRIPTION Pin Function Feedback Input Ground 4 Startup 5 Power Switch Circuit MAXIMUM RATINGS (Notes 1 and 2) Rating Power Switch Circuit (Pin 5) Drain Voltage Range Drain Current Peak ...
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ELECTRICAL CHARACTERISTICS operating junction temperature that applies.) Characteristics OSCILLATOR Frequency (l = 1.1 mA) (Note 4) (Figure 25 0C to 125 --40C to 125C J PWM COMPARATOR Feedback Input PWM ...
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ELECTRICAL CHARACTERISTICS Characteristics POWER SWITCH CIRCUIT Power Switch Circuit On--State Resistance NCP1000 ( mA 25 125C (Note 8) J NCP1001 (I = 100 mA 25 125C ...
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Figure 2. Duty Cycle vs. FB Input Current 1000 100 Capacitance (mF) Figure 4. Charge Time vs. V 100 NCP1002 ...
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V Turn On CC 8.20 8.00 7.80 7.60 V Turn Off CC 7.40 7.20 --40 -- Temperature (C) Figure 8. V /UVLO Threshold vs. CC Temperature 25.0 20.0 NCP1000 15.0 NCP1001 10.0 5.0 NCP1002 0.0 ...
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Temperature (C) Figure 14. Maximum Duty Cycle Feedback Current vs. Temperature 1600 1400 1200 1000 800 600 400 200 0 0 14.0 12.0 10.0 8.0 6.0 4.0 ...
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Introduction The NCP1000 thru NCP1002 represent a new higher level of integration by providing on a single monolithic chip all of the active power, control, logic, and protection circuitry required to implement a high voltage flyback or forward converter. This ...
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Current Limit Comparator and Power Switch Circuit The NCP1000 series uses cycle- -by- -cycle current limiting as a means of protecting the output switch transistor from overstress. Current limiting is implemented by monitoring the instantaneous output switch current during conduction, ...
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Figure 20 shows the timing waveforms in auto restart mode. The V pin receives its startup power from the high CC voltage startup circuit. Once the undervoltage lockout trip point is exceeded, the high voltage startup ...
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Applications Do not attempt to construct a converter circuit on a wire- -wrap or plug- -in prototype board. In order to ensure proper device operation and stability important to minimize the lead length and the associated inductance of ...
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Feedback Input (R Voltage) fb Oscillator Ramp Oscillator Duty Cycle Oscillator Clock PWM Comparator Output PWM Latch Q Output Power Switch Circuit Gate Drive Leading Edge Blanking Input (Power Switch Circuit Current) Zero Duty Cycle Figure 18. Pulse Width Modulation ...
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... Figure 20. Auto Restart Operation Timing Diagram APPLICATION #1: Offline Converter Provides 5.0 V, 1.0 A Output for Small Electronic Equipment ON Semiconductor’s NCP1000 series of offline converters offers a low cost, high efficiency power source for low power, electronic equipment. It serves the same function as small, line ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303--675--2175 or 800--344--3860 Toll Free USA/Canada Fax: 303--675--2176 or 800--344--3867 Toll Free USA/Canada Email: orderlit@onsemi ...