LINEAR TECHNOLOGY LTC1700EMS#PBF 直流控制器-产品快照
- 品牌:
- LINEAR TECHNOLOGY
- 型号:
- LTC1700EMS#PBF
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产品介绍
LINEAR TECHNOLOGY LTC1700EMS#PBF 直流控制器
LINEAR TECHNOLOGY LTC1700EMS#PBF DC/DC Controller, Current Mode, 900mV to 5V, 1 Output, Synchronous Boost, 680kHz, MSOP-10
LINEAR TECHNOLOGY
The LTC1700EMS#PBF is a current-mode synchronous step-up DC/DC Controller drives external N-channel and P-channel power MOSFETs using a constant frequency PWM architecture. Current limiting is provided by sensing the voltage drop across the main MOSFET, eliminating the need of a sense resistor. This No RSENSE technique helps the LTC1700 maintain high efficiency at heavy loads while Burst Mode operation ensures high efficiency at light loads, thus providing high efficiencies over a wide range of load currents. It operates at a minimum input voltage as low as 0.9V. The device boasts a ±1.5% output voltage accuracy and consumes only 200µA of quiescent current. In shutdown, it only draws 10µA. To prevent inductor current runaway, the duty cycle is limited to 90%. Overvoltage protection is also provided which shuts both the external MOSFETs off when tripped. High constant operating frequency of 530kHz allows the use of small inductors and output capacitors. No current sense resistor required OPTI-LOOP® Compensation minimizes COUT Selectable Burst Mode® operation Current mode operation for excellent line and load transient response Soft-start reduces supply current transients 1.5% Output voltage accuracy Uses low value, small size, surface mount inductors Supply Voltage Min: 900mV Supply Voltage Max: 5V No. of Outputs: No. of Outputs: 1 Output Duty Cycle (%): 92% Controller IC Case Style: MSOP No. of Pins: 10Pins Switching Frequency: 680kHz Topology: Synchronous Boost (Step Up) Operating Temperature Min: -40°C Operating Temperature Max: 85°C Packaging: Cut Tape Product Range: - Automotive Qualifications Standard: - MSL: MSL 1 - Unlimited Output Current: 1 A SVHC: No SVHC (17-Dec-2015) Output Voltage: 6 V Find similar products grouped by common attribute
Semiconductors - ICs Power Management ICs - PMIC DC / DC Power Management DC / DC Controllers
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