NCP5173MNR2 ON Semiconductor, NCP5173MNR2 Datasheet
NCP5173MNR2
Specifications of NCP5173MNR2
Related parts for NCP5173MNR2
NCP5173MNR2 Summary of contents
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... NOTE: Thermal pad is electrically isolated from IC and all pins. ORDERING INFORMATION Device Package NCP5173MN QFN NCP5173MNR2 QFN †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. 1 MARKING DIAGRAM ...
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MAXIMUM RATINGS* Junction Temperature Range Storage Temperature Range, T STORAGE Package Thermal Resistance: Junction−to−Ambient, R Lead Temperature Soldering: Reflow (Note 1) ESD, Human Body Model Stresses exceeding Maximum Ratings ...
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ELECTRICAL CHARACTERISTICS Characteristic Positive and Negative Error Amplifiers FB Reference Voltage FB Input Current FB Reference Voltage Line Regulation Error Amp Transconductance Error Amp Gain V Source Current C V Sink Current C V High Clamp Voltage C V Low ...
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ELECTRICAL CHARACTERISTICS Characteristic General Operating Current Shutdown Mode Current Minimum Operation Input Voltage Thermal Shutdown Thermal Hysteresis 3. Guaranteed by design, not 100% tested in production. PIN FUNCTION DESCRIPTION Pin Number Symbol 1 V Loop compensation pin. The V C ...
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V CC Shutdown 2.0 V Regulator Delay Timer Sync SS 0.4 V Detector − Positive Error Amp 1.276 V AGND Thermal Shutdown S PWM Oscillator Q Latch R Frequency Shift 5:1 Slope Compensation PWM Comparator + − V ...
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TYPICAL PERFORMANCE CHARACTERISTICS 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5 Temperature (°C) Figure 3. I (No Switching) vs. Temperature CC 1200 1000 800 600 400 200 0 500 I (mA) SW Figure 5. V vs. I ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1.280 1.278 1.276 1.274 1.272 1.270 1.268 0 50 Temperature (°C) Figure 9. Reference Voltage vs. Temperature 2.60 2.50 2.40 2. 2.20 0 Temperature (°C) ...
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TYPICAL PERFORMANCE CHARACTERISTICS 160 140 120 100 Temperature (°C) Figure 15. Shutdown Delay vs. Temperature (V) IN Figure 17. I vs. V During Shutdown CC IN 100 60 ...
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THEORY OF OPERATION Current Mode Control Oscillator − Power Switch PWM Comparator In Out Driver X5 SUMMER 63 mW Slope Compensation Figure 21. Current Mode Control Scheme The NCP5173 incorporates a current mode control ...
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Switch Driver and Power Switch The switch driver receives a control signal from the logic section to drive the output power switch. The switch is grounded through emitter resistors (63 mW total) to the PGND pin. PGND is not connected ...
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The low frequency pole determined by the error P1, amplifier output resistance and C1 as 2pC1R O The first zero generated by C1 and R1 is 2pC1R1 The phase lead ...
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Figure 27. Boost Input Voltage and Current Ripple Waveforms − R ESR Figure 28. Boost Circuit Effective Input Filter The situation is different in a flyback circuit. The input current is discontinuous and ...
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A simple diode clamp, as shown in Figure 30, clamps the V voltage to a diode drop above the voltage on resistor R3. C Unfortunately, such a simple circuit is not generally acceptable loosely regulated ...
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The dashed box contains the normal compensation circuitry to limit the bandwidth of the error amplifier. Resistors R2 and R3 form a voltage divider off of the V pin. In normal operation, V looks similar to a square SW wave, ...
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... Increasing the airflow across the surface of the chip might be considered to reduce T copper “landing pad” can be connected to the ground pin − Designers are referred to ON Semiconductor Application Note AND8036/D for more information on properly sizing a copper area. Circuit Layout Guidelines In any switching power supply, circuit layout is very important for proper operation ...
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1 GND 47 nF 4.7 nF 2.0 k Figure 34. Additional Application Diagram, 2 Input, +12 V/ 200 mA Output Flyback Converter GND 5.0 k 2.2 mF 200 pF .01 mF ...
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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− ...