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CB2016T2R2M データシート(PDF) 1 Page - Linear Technology |
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CB2016T2R2M データシート(HTML) 1 Page - Linear Technology |
1 / 16 page 1 LTC3410 3410fb OUTPUT CURRENT (mA) 0.1 0 10 20 30 40 50 60 70 80 90 100 1 0.1 0.01 0.001 0.0001 10 100 1 1000 3410 TA01b EFFICIENCY POWER LOSS VIN = 2.7V VIN = 3.6V VIN = 4.2V ■ High Efficiency: Up to 96% ■ Low Ripple (20mVP-P) Burst Mode Operation: IQ 26µA ■ Low Output Voltage Ripple ■ 300mA Output Current at VIN = 3V ■ 380mA Minimum Peak Switch Current ■ 2.5V to 5.5V Input Voltage Range ■ 2.25MHz Constant Frequency Operation ■ No Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ Stable with Ceramic Capacitors ■ 0.8V Reference Allows Low Output Voltages ■ Shutdown Mode Draws < 1 µA Supply Current ■ ±2% Output Voltage Accuracy ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Overtemperature Protected ■ Available in Low Profile SC70 Package The LTC ®3410 is a high efficiency monolithic synchro- nous buck regulator using a constant frequency, current mode architecture. The device is available in adjustable and fixed output voltage versions. Supply current during operation is only 26 µA, dropping to <1µA in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3410 ideally suited for single Li-Ion battery-powered applica- tions. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors. The LTC3410 is specifically designed to work well with ceramic output capacitors, achieving very low output voltage ripple and a small PCB footprint. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.8V feed- back reference voltage. The LTC3410 is available in a tiny, low profile SC70 package. ■ Cellular Telephones ■ Wireless and DSL Modems ■ Digital Cameras ■ MP3 Players ■ Portable Instruments 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 APPLICATIO S FEATURES TYPICAL APPLICATIO DESCRIPTIO Efficiency and Power Loss vs Output Current VIN CIN 4.7 µF CER VIN 2.7V TO 5.5V LTC3410 RUN 4.7 µH 10pF 887k 412k 3410 TA01a SW VFB GND COUT 4.7 µF CER VOUT 2.5V , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 5994885. |
同様の部品番号 - CB2016T2R2M |
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同様の説明 - CB2016T2R2M |
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