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CD54-470L データシート(PDF) 1 Page - ON Semiconductor |
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CD54-470L データシート(HTML) 1 Page - ON Semiconductor |
1 / 18 page © Semiconductor Components Industries, LLC, 2003 November, 2003 − Rev. 5 1 Publication Order Number: NCP1402/D NCP1402 200 mA, PFM Step−Up Micropower Switching Regulator The NCP1402 series are monolithic micropower step−up DC to DC converter that are specially designed for powering portable equipment from one or two cell battery packs.These devices are designed to start−up with a cell voltage of 0.8 V and operate down to less than 0.3 V. With only three external components, this series allow a simple means to implement highly efficient converters that are capable of up to 200 mA of output current at Vin = 2.0 V, VOUT = 3.0 V. Each device consists of an on−chip PFM (Pulse Frequency Modulation) oscillator, PFM controller, PFM comparator, soft−start, voltage reference, feedback resistors, driver, and power MOSFET switch with current limit protection. Additionally, a chip enable feature is provided to power down the converter for extended battery life. The NCP1402 device series are available in the Thin SOT−23−5 package with five standard regulated output voltages. Additional voltages that range from 1.8 V to 5.0 V in 100 mV steps can be manufactured. Features • Extremely Low Start−Up Voltage of 0.8 V • Operation Down to Less than 0.3 V • High Efficiency 85% (V in = 2.0 V, VOUT = 3.0 V, 70 mA) • Low Operating Current of 30 mA (V OUT = 1.9 V) • Output Voltage Accuracy ± 2.5% • Low Converter Ripple with Typical 30 mV • Only Three External Components Are Required • Chip Enable Power Down Capability for Extended Battery Life • Micro Miniature Thin SOT−23−5 Packages Typical Applications • Cellular Telephones • Pagers • Personal Digital Assistants (PDA) • Electronic Games • Portable Audio (MP3) • Camcorders • Digital Cameras • Handheld Instruments ORDERING INFORMATION SOT23−5 (TSOP−5, SC59−5) SN SUFFIX CASE 483 1 5 PIN CONNECTIONS AND MARKING DIAGRAM 1 3 GND CE 2 OUT NC 4 LX 5 (Top View) xxx = Marking Y = Year W = Work Week See detailed ordering and shipping information in the ordering information section on page 3 of this data sheet. http://onsemi.com |
同様の部品番号 - CD54-470L |
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同様の説明 - CD54-470L |
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