NCP1402SN50T1G ON Semiconductor, NCP1402SN50T1G Datasheet
NCP1402SN50T1G
Specifications of NCP1402SN50T1G
NCP1402SN50T1GOS
NCP1402SN50T1GOSTR
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NCP1402SN50T1G Summary of contents
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NCP1402 200 mA, PFM Step-Up Micropower Switching Regulator The NCP1402 series are monolithic micropower step- converter that are specially designed for powering portable equipment from one or two cell battery packs.These devices are designed to startup with ...
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V in Figure 1. Typical Step-Up Converter Application OUT VOLTAGE REFERENCE GND 4 PIN FUNCTION DESCRIPTIONS Pin # Symbol 1 CE Chip Enable pin (1) The chip is enabled if a voltage which is equal to or ...
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ABSOLUTE MAXIMUM RATINGS Power Supply Voltage (Pin 2) Input/Output Pins LX (Pin 5) LX Peak Sink Current CE (Pin 1) Input Voltage Range Input Current Range Thermal Resistance, Junction-to-Air Operating Ambient Temperature Range (Note 2) Operating Junction Temperature Range Storage ...
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ELECTRICAL CHARACTERISTICS Characteristic OSCILLATOR Switch On Time (current limit not asserted) Switch Minimum Off Time Maximum Duty Cycle Minimum Startup Voltage ( mA) O Minimum Startup Voltage Temperature Coefficient (T Minimum Operation Hold Voltage ( mA) ...
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1.7 1 100 120 140 160 180 200 I , OUTPUT CURRENT (mA) O Figure 3. NCP1402SN19T1 Output Voltage ...
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NCP1402SN19T1 0.96 OUT Open-Loop Test 1.6 -50 - TEMPERATURE (°C) Figure 9. NCP1402SN19T1 Output Voltage vs. Temperature 5.2 NCP1402SN50T1 0.96 OUT Open-Loop Test ...
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NCP1402SN19T1 0.96 OUT Open-Loop Test 5.0 -50 - TEMPERATURE (°C) Figure 15. NCP1402SN19T1 Switch On Time vs. Temperature 7.0 6.5 6.0 5.5 5.0 NCP1402SN50T1 V = 5.0 ...
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NCP1402SN19T1 1 0.96 OUT Open-Loop Test 40 -50 - TEMPERATURE (°C) Figure 21. NCP1402SN19T1 Maximum Duty Cycle vs. Temperature 100 NCP1402SN50T1 ...
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NCP1402SN19T1 Open-Loop Test 0.0 -50 - TEMPERATURE (°C) Figure 27. NCP1402SN19T1 V LX vs. Temperature 1.0 0.8 0.6 0.4 0.2 NCP1402SN50T1 Open-Loop Test 0.0 -50 - TEMPERATURE (°C) Figure ...
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V start 0.8 NCP1402SN19T1 0 OUT 0 0.2 V hold 0.0 -50 - TEMPERATURE (°C) Figure 33. NCP1402SN19T1 Startup/Hold Voltage vs. Temperature 1.0 ...
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OUT 1.0 V/div mV/div, AC coupled OUT 100 ...
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mH OUT 1.9 V (AC coupled), 100 mV/div OUT 0 Figure 45. NCP1402SN19T1 Load Transient Response = ...
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NCP1402SN19T1 OUT T = 25° 1 0 100 120 140 ...
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V 125 100 INPUT VOLTAGE (V) in Figure 57. NCP1402SNXXT1 No Load Input Current vs. Input Voltage DETAILED OPERATING DESCRIPTION ...
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Step-up Converter Design Equations NCP1402 step-up DC-DC converter designed to operate in continuous conduction mode can be defined by: Calculation Equation OUT I Omax ( ...
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... Figure 61. NCP1402 PFM Step-Up DC-DC Converter Evaluation Board Artwork (Component Side) NCP1402 An evaluation board of NCP1402 has been made in the size only, as shown in Figures 60 and 61. Please contact your ON Semiconductor representative for availability. The evaluation board schematic diagram, the artwork and the silkscreen of the surface mount PCB are shown below: ...
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... Components Supplier Parts Supplier Inductor, L1 Sumida Electric Co. Ltd. Schottky Diode Semiconductor Corp. Output Capacitor, C2 KEMET Electronics Corp. Input Capacitor, C1 KEMET Electronics Corp. PCB Layout Hints Grounding One point grounding should be used for the output power return ground, the input power return ground, and the device switch ground to reduce noise as shown in Figure 62, e ...
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... NCP1402SN40T1 NCP1402SN40T1G NCP1402SN50T1 NCP1402SN50T1G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. NOTE: The ordering information lists five standard output voltage device options. Additional device with output voltage ranging from 1 ...
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... C 0.05 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. The product described herein (NCP1402), may be covered by the following U.S. patents: 6,518,834. There may be other patents pending. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...