NCP1403_05 ONSEMI [ON Semiconductor], NCP1403_05 Datasheet
NCP1403_05
Related parts for NCP1403_05
NCP1403_05 Summary of contents
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NCP1403 15 V/50 mA PFM Step−Up DC−DC Converter The NCP1403 is a monolithic PFM step−up DC−DC converter. This device is designed to boost a single Lithium or two cell AA/AAA battery voltage (with internal MOSFET) output ...
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VDD Enable Figure 1. Typical Step−Up Application Circuit ...
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PIN FUNCTION DESCRIPTIONS Pin Symbol 1 CE Chip Enable Pin 1. The chip is enabled if a voltage which is equal to or greater than 0 applied. 2. The chip is disabled if a voltage which is less ...
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ELECTRICAL CHARACTERISTICS Characteristic ON/OFF TIMING CONTROL Minimum Off Time ( Maximum On Time (Current not asserted) Maximum Duty Cycle Minimum Startup Voltage ( mA) OUT Minimum Startup Voltage Temperature ...
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16 OUT = OUT 16 25°C A Figure 1 15.5 15.0 14.5 3.6 V 1.8 V 2.4 V 4.0 V 3.0 V 14.0 13.5 13.0 0 ...
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V , INPUT VOLTAGE (V) IN Figure 10. No Load Input Current versus Input Voltage ...
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T , AMBIENT TEMPERATURE (°C) A Figure 16. Maximum Switch On Time 170 150 130 110 −50 − AMBIENT TEMPERATURE ...
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OUT OUT V/div OUT V/div 3 V/div ...
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Operation The NCP1403 is monolithic DC−DC switching converter optimized for single Lithium or two cells AA/AAA size batteries powered portable products. The NCP1403 device consists of startup circuit, chip enable circuit, PFM comparator, voltage reference, PFM on/off timing control circuit, ...
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External Component Selection Inductor The NCP1403 is designed to work well with a range of inductance values, the actual inductance value depends on the specific application, output current, efficiency, and output ripple voltage. For step up conversion, the device works ...
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Output Voltage Higher than 15 V NCP1403 can be used to generate output voltage higher than adding an external high voltage N−Channel MOSFET in series with the internal MOSFET switch as shown in Figure 33. The drain−to−source ...
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Power Signal Traces Low resistance conducting paths should be used for the power carrying traces to reduce power loss improve efficiency (short and thick traces for connecting the inductor L can also reduce stray inductance). Besides, the ...
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Figure 29. Step−Up Converter Demonstration Board Top Layer Copper Figure 30. Step−Up Converter Demonstration Board Bottom Layer Copper Figure 31. Step−Up Converter Demonstration Board Top Layer Component Silkscreen http://onsemi.com NCP1403 13 ...
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Components Supplier Parts Supplier L1 Sumida Electric Co. Ltd Semiconductor C1 Kemet Electronics Corp. C2 Kemet Electronics Corp 2 5 CD43−470KC, Sumida C1: T494A106K010AS, Kemet C2: EMK107BJ104MA, Taiyo ...
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VDD 3 L: CD43−101KC, Sumida C1: T494C226K010AS, Kemet C2: T494D686K006AS, Kemet Q1: MGSF1P02ELT1, ON Semiconductor D1: MBR0520LT1, ON Semiconductor Figure 34. Step−down DC−DC ...
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FB1 C 2 750 pF to 2000 pF VDD 3 R FB2 L: CD43−470KC, Sumida C1: T494A106K010AS, Kemet C2: UMK212F105ZG, Taiyo Yuden ...
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750 2000 JPI 1 OFF VDD 3 L1: CD43−470KC, Sumida C1, C2: T494A106K010AS, Kemet C3: UMK107B102KZ, Taiyo ...
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0.05 (0.002) H *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered ...