NCP1529ASNT1GEVB ON Semiconductor, NCP1529ASNT1GEVB Datasheet
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NCP1529ASNT1GEVB
Specifications of NCP1529ASNT1GEVB
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NCP1529ASNT1GEVB Summary of contents
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... NCP1529EVB 1.7MHz, 1A, High Efficiency, Low Ripple, Adjustable Output Voltage Step-down Converter Demonstration Board Prepared by: Stephanie SALLAUD On Semiconductor Overview The NCP1529 step-down DC-DC converter is a monolithic integrated circuit for portable applications powered from one cell Li-ion Alkaline/NiCd/NiMH batteries. The device – available in an adjustable output voltage from 0 3.9 V – ...
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MAXIMUM RATINGS Rating Minimum Voltage All Pins Maximum Voltage All Pins (Note 1) Maximum Voltage EN, ENI2C, SDA, SCL Thermal Resistance, Junction-to-Air (TSOP-5 Package) Thermal Resistance using TSOP-5 Recommended Board Layout (Note 8) Thermal Resistance, Junction-to-Air (UDFN6 Package) Thermal Resistance ...
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NCP1529 - BOARD CONNECTIONS Symbol INPUT POWER VIN+ This is the positive connection for power supply. VIN- This is the return connection for the power supply GND1, GND2 Ground clip SETUP ENABLE To enable the buck converter, connect a shorting ...
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NCP1529 - BOARD SCHEMATIC VIN VIN ENABLE S1 VIN+ VIN CON1 C1 VIN- 10uF 1 CON1 FIX FIX FIX FIX GND1 GND2 JMP JMP ...
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VIN VIN ENABLE S1 VIN+ VIN CON1 C1 VIN- 4.7uF 1 CON1 GND1 GND2 JMP JMP 0 0 NCP1529EVB EN VIN VIN ...
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NCP1529 - TEST PROCEDURE Equipment Needed Power supply Digital Volt Meter Digital Amp Meter Test 1. Jumper ENABLE (and SELECT for the UDFN6 package) should be open. 2. Set the power supply to 3.6 V and the current limit of ...
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Increase Output current The part works in PWM mode with a low ripple: 9. Remove J5 connector. The DC current measurement on Vp line should be back around 0.3 mA. NCP1529EVB V V out Figure 5. ...
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Input Capacitor Selection In PWM operating mode, the input current is pulsating with large switching noise. Using an input bypass capacitor can reduce the peak current transients drawn from the input supply source, thereby reducing significantly. The capacitance needed for ...
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Feed-Forward Capacitor Selection The feed-forward capacitor sets the feedback loop response and is critical to obtain good loop stability. Given NCP1529EVB that the compensation is internally fixed ceramic capacitor is needed. Choose a small ceramic capacitor X7R ...
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... 2,54mm NA NA 10.16mm 1.60mm http://onsemi.com 10 Manufacturer Part Number Manufacturer ON Semiconductor NCP1529 TDK C1608X5R0J475 TDK C1608X5R0J106 TDK C1608C0G1H180 std std Vishay Spectrol 63M-T607-105 Coilcraft DO1605T-222MLB Emerson Network 111-2223-001 Power Connectivity Solutions TYCO/AMP 5-826629-0 Molex/Waldom 90120-0160 Harwin D3082-01 ...
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... 2,54mm NA NA 2,54mm NA NA 10,16mm 1,60mm http://onsemi.com 11 Manufacturer Part Number Manufacturer ON Semiconductor NCP1529 TDK C1608X5R0J475 TDK C1608X5R0J106 TDK C1608C0G1H180 std std Vishay Spectrol 63M-T607-105 Coilcraft DO1605T-222MLB Emerson Network 111-2223-001 Power Connectivity Solutions TYCO/AMP 5-826629-0 Molex/Waldom 90120-0160 TYCO/AMP 6-166591-5 Molex/Waldom ...
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Electrical Layout Considerations Implementing a high frequency DC-DC converter requires respect of some rules to get a powerful portable application. Good layout is key to prevent switching regulators to generate noise to application and to themselves. Electrical layout guide lines ...
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NCP1529 - PCB LAYOUT OF TSOP-5 DEMO BOARD Board reference: TLS-P-003-A-0907-BBR NCP1529EVB Figure 9. Assembly Layer in TSOP-5 http://onsemi.com 13 ...
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NCP1529EVB Figure 10. Part Layout in TSOP-5 Figure 11. Top Layer Routing in TSOP-5 http://onsemi.com 14 ...
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NCP1529EVB Figure 12. Ground Layer Routing in TSOP-5 Figure 13. Power Layer Routing in TSOP-5 http://onsemi.com 15 ...
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NCP1529EVB Figure 14. Bottom Layer Routing in TSOP-5 http://onsemi.com 16 ...
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NCP1529 - PCB LAYOUT OF UDFN-6 DEMO BOARD Board reference: TLS-P-003-A-0907-BBR NCP1529EVB Figure 15. : Assembly Layer in UDFN6 http://onsemi.com 17 ...
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NCP1529EVB Figure 16. Part Layout in DFN-6 Figure 17. Top Layer Routing in UDFN-6 http://onsemi.com 18 ...
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NCP1529EVB Figure 18. Ground Layer Routing in UDFN6 Figure 19. Power Layer Routing in UDFN-6 http://onsemi.com 19 ...
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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 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 ...