品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 Features
• Pb−Free Package is Available* • High Efficiency: 94% for 3.3 V Output at 200 mA from 2.5 V Input 88% for 3.3 V Output at 500 mA from 2.5 V Input • High Switching Frequency, up to 1.2 MHz (not hitting current limit) • Output Current up to 800 mA at VIN = 2.5 V and VOUT = 3.3 V • True−Cutoff Function Reduces Device Shutdown Current to typically 50 nA • Anti−Ringing Ring−Killer for Discontinuous Conduction Mode • High Accuracy Reference Output, 1.20 V 1.5% @ 25°C, can Supply 2.5 mA Loading Current when VOUT > 3.3 V • Low Quiescent Current of 8.5 A • Integrated Low−Battery Detector • Open Drain Low−Battery Detector Output • 1.0 V Startup at No Load Guaranteed • Output Voltage from 1.5 V to 5.0 V Adjustable • 1.5 A Cycle−by−Cycle Current Limit • Multi−Function Logic−Controlled Shutdown Pin • On Chip Thermal Shutdown with Hysteresis Typical Applications • Personal Digital Assistants (PDA) • Handheld Digital Audio Products • Camcorders and Digital Still Cameras • Hand−held Instruments • Conversion from one to two Alkaline, NiMH, NiCd Battery Cells to 3.0−5.0 V or one Lithium−ion cells to 5.0 V • White LED Flash for Digital Cameras |
