HomedatasheetNCP1402SN50T1G

NCP1402SN50T1G Datasheet

PMIC - Voltage Regulators - DC DC Switching Regulators
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Description

The NCP1402SN50T1G series are monolithic micropower step−up DC to DCconverter that are specially designed for powering portable equipmentfrom one or two cell battery packs.These devices are designed tostartup with a cell voltage of 0.8 V and operate down to less than0.3 V. With only three external components, this series allow a simplemeans to implement highly efficient converters that are capable of upto 200 mA of output current at Vin = 2.0 V, VOUT = 3.0 V.Each device consists of an on−chip PFM (Pulse FrequencyModulation) oscillator, PFM controller, PFM comparator, soft−start,voltage reference, feedback resistors, driver, and power MOSFETswitch with current limit protection. Additionally, a chip enablefeature is provided to power down the converter for extended batterylife.The NCP1402SN50T1G device series are available in the Thin SOT−23−5package with five standard regulated output voltages. Additionalvoltages that range from 1.8 V to 5.0 V in 100 mV steps can bemanufactured. NCP1402SN50T1G Features • Extremely Low Startup Voltage of 0.8 V• Operation Down to Less than 0.3 V• High Efficiency 85% (Vin = 2.0 V, VOUT = 3.0 V, 70 mA)• Low Operating Current of 30 A (VOUT = 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• Pb−Free Packages are Available NCP1402SN50T1G Applications • Cellular Telephones• Pagers• Personal Digital Assistants (PDA)• Electronic Games• Portable Audio (MP3)• Camcorders• Digital Cameras• Handheld Instruments
Features

Parameters

[{"Name":"Number of Outputs","Value":"1"},{"Name":"Voltage - Output","Value":"5V"},{"Name":"Voltage - Input","Value":"0.8 V ~ 5.5 V"},{"Name":"Frequency - Switching","Value":"200kHz"},{"Name":"Current - Output","Value":"200mA"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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