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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TD1509PR 데이터시트(PDF) 1 Page - TECHCODE SEMICONDUCTOR, INC. |
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TD1509PR 데이터시트(HTML) 1 Page - TECHCODE SEMICONDUCTOR, INC. |
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1 / 17 page  December, 20, 2005. Techcode Semiconductor Limited www.techcodesemi.com 1 Techcode® 2A 150KHz PWM Buck DC/DC Converter TD1509 DATASHEET General Description The TD1509 is a series of easy to use fixed and adjustable step-down (buck) switch-mode voltage regulators. These devices are available in fixed output voltage of 5V,3.3V an adjustable output version. Both versions are capable of driving a 2A load with excellent line and load regulation. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed-frequency oscillator. The output voltage is guaranteed to ±3% tolerance under specified input voltage and output load conditions. The oscillator frequency is guaranteed to ±15%. External shutdown is included, featuring typically 80 µA standby current. Self protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. The TD1509 is available in SOP8 and DIP8 packages. Features 5V,3.3V and adjustable output versions Output adjustable from 1.23v to 43V Fixed 150KHz frequency internal oscillator Guaranteed 3A output load current Input voltage range up to 45V Low power standby mode, IQ typically 80 µA TTL shutdown capability Excellent line and load regulation Requires only 4 external components High efficiency Thermal shutdown and current limit protection Available in SOP8 and DIP8 packages Applications Simple High-efficiency step-down regulator On-card switching regulators Positive to negative converter LCD monitor and LCD TV DVD recorder and PDP TV Battery charger Step-down to 3.3V for microprocessors Package Types Figure 1. Package Types of TD1509 SOP8 DIP8 |
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