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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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RT9264CS Datenblatt(PDF) 1 Page - List of Unclassifed Manufacturers |
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RT9264CS Datenblatt(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 8 page  Preliminary RT9264 DS9264-00 December 2001 www.richtek-ic.com.tw 1 High Frequency, High Efficiency, Step-up DC/DC Converter General Description The RT9264 is a compact, high efficient, step-up DC/DC converter with current mode PWM control loop, providing stable and high efficient operations without external compensation. The RT9264 suitable for 1 to 4 battery cells as well as USB power applications providing up to 400mA output current. The high switching rate minimized the size of external components. A 300mA LDO is included in RT9264 to provide a secondary low noise output as well as an output current stop in the shutdown mode. RT9264 is provided in SOP-8 packages. Ordering Information RT9264 Typical Application Circuit Features 400mA High Supply Capability 90% Efficiency Switching Rate higher Than 1.4MHz Providing Flexibility for Using Internal and External Power Switches Built-in 300mA LDO, also for the Zero-Output- Current Shutdown Mode Boost DC-DC Integrating LDO for Up-Down Regulation 8-Pin SOP Package Applications Portable Instrument ADSL Modem USB Devices Pin Configurations Part Number Pin Configurations RT9264CS (Plastic SOP-8) TOP VIEW Fig. 1 RT9264 Typical Application for Portable Instruments Operating temperature range C: Commercial standard Package type S : SOP-8 C1 47 µF VDD CE RT9264 EXT LDOO LX L F B GN D FB 3.3V VOUT1 C2 1 µF D1 1N5819 L1 2.2 µH R1 36K R2 22K R4 42K R3 22K C3 10 µF 2.5V VOUT2 VIN 47 µF GND EXT LFB LDOO CE LX VDD FB 1 2 3 4 8 7 6 5 |
Ähnliche Teilenummer - RT9264CS |
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Ähnliche Beschreibung - RT9264CS |
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