LTC3716 - LTC3716是2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator
LTC3716是Linear公司的一款数字可编程的降压型稳压器产品，LTC3716是2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator，本站介绍了LTC3716的封装应用图解、特点和优点、功能等，并给出了与LTC3716相关的凌力尔特元器件型号供参考。
LTC3716 - 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator
LTC3716 - 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator - Linear Technology（凌力尔特）
功能描述
The LTC3716 is a 2-phase, VID programmable, synchronous step-down switching regulator controller that drives two N-channel external power MOSFET stages in a fixed frequency architecture. The 2-phase controller drives its two output stages out of phase at frequencies up to 300kHz to minimize the RMS ripple currents in both input and output capacitors. The 2-phase technique effectively multiplies the fundamental frequency by two, improving transient response while operating each channel at an optimum frequency for efficiency. Thermal design is also simplified.
An operating mode select pin (FCB) can be used to regulate a secondary winding or select among three modes including BurstModeTM operation for highest efficiency. Aninternal differential amplifier provides true remote sensing of the regulated supply’s positive and negative output terminals as required in high current applications.
The RUN/SS pin provides soft-start and optional timed, short-circuit shutdown. Current foldback limits MOSFET dissipation during short-circuit conditions when the overcurrent latchoff is disabled. OPTI-LOOP compensation allows the transient response to be optimized for a wide range of output capacitors and ESR values.
特点
Output Stages Operate Antiphase Reducing Input and Output Capacitance Requirements and Power Supply Induced Noise Dual Input Supply Capability for Load Sharing 5-Bit Mobile VID Code: VOUT = 0.6V to 1.75V ±1% Output Voltage Accuracy True Remote Sensing Differential Amplifier Power Good Output Voltage Monitor Supports Active Voltage Positioning Current Mode Control Ensures Current Sharing OPTI-LOOP™ Compensation Minimizes COUT Three Operational Modes: PWM, Burst and Cycle Skip Programmable Fixed Frequency: 150kHz to 300kHz Wide VIN Range: 4V to 36V Operation Adjustable Soft-Start Current Ramping Internal Current Foldback and Short-Circuit Shutdown Overvoltage Soft Latch Eliminates Nuisance Trips Available in 36-Lead Narrow SSOP Package应用
Mobile Computer CPU Supply以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
| LTC3716EG | SSOP-24 | E | $4.75 | $4.35 |
| LTC3716EG#PBF | SSOP-24 | E | $4.75 | $4.35 |
| LTC3716EG#TR | SSOP-24 | E | | $4.45 |
| LTC3716EG#TRPBF | SSOP-24 | E | | $4.45 |
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