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NCP1404 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP1404 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 2002 June, 2002 – Rev. 0 1 Publication Order Number: NCP1404/D NCP1404 Series Product Preview 350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector The NCP1404 series are monolithic PWM/PFM step–up DC to DC converters which can automatically change operation mode from PWM to PFM at light loads to improve efficiency at light loads. With only four external components, this series allow a simple means to implement highly efficient converters for powering up portable equipment up to 350 mA loading. Additionally, this series is featured with a Low Battery Detector to monitor battery voltage. The NCP1404 device series are available in space–saving TSOP–6 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 • Low Start–Up Voltage of 0.8 V • PWM Oscillator Frequency of 600 kHz at 20% Accuracy • High Efficiency 85% at I OUT = 200 mA, VIN = 2.5 V, VOUT = 3.3 V • Output Current up to 350 mA at V IN = 2.5 V, VOUT = 3.3 V • Duty Ratio: 17% to 85% typ. PWM Control Duty Ratio: 17% typ. PFM Control • Output Voltage Accuracy ±2.5% • Low Battery Detection with Open–drain Detector Output • Separated Power Supply Pin • Low Profile and Minimum External Parts • Micro Miniature TSOP–6 Typical Applications • Digital Cameras • Cellular Telephones • Personal Digital Assistants (PDA) • Camcorders • Electronic Games • Pagers • Portable Audio (MP3) • Handheld Instruments This document contains information on a product under development. ON Semiconductor reserves the right to change or discontinue this product without notice. TSOP–6 SN SUFFIX CASE 318G 1 PIN CONNECTIONS AND MARKING DIAGRAM (Top View) http://onsemi.com 6 Device Package Shipping ORDERING INFORMATION NCP1404SN19T1 TSOP–6 3000/Tape & Reel XX = Specific Device Code d = Date Code LX LBO GND LBI OUT VDD NCP1404SN27T1 TSOP–6 3000/Tape & Reel NCP1404SN30T1 TSOP–6 3000/Tape & Reel NCP1404SN33T1 TSOP–6 3000/Tape & Reel NCP1404SN50T1 TSOP–6 3000/Tape & Reel 6 5 4 1 2 3 See specific marking information in the ordering information table on page 3 of this data sheet. |
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