厂商：Freescale
类别：16位单片机
厂商：
类别：PhotoMOS(MOSFET输出光电耦合器)
厂商：Atmel
类别：EEPROM
厂商：Murata
类别：通信设备用滤波器
厂商：TDK
类别：积层电感器
我要询价我要收藏
特点Synchronizable/Programmable Fixed Frequency OPTI-LOOP? Compensation Minimizes C OUT ±1% Output Voltage AccuracyDual N-Channel MOSFET Synchronous Drive Wide V IN Range: 4V to 36V Operation V OUT Range: 0.8V to 6V Internal Current FoldbackOutput Overvoltage Crowbar ProtectionLatched Short-Circuit Shutdown Timer with Defeat OptionVery Low Dropout Operation: 99% Duty CycleForced Continuous Control PinOptional Programmable Soft-StartRemote Output Voltage SensePower Good Output (LTC1735F Only) Logic Controlled Micropower Shutdown: I Q < 25μA LTC1435 Pin Compatible with Minor Component Changes Available in 16-Lead Narrow SSOP, SO Packages and 20-Lead TSSOP Package (LTC1735F Only) 典型应用描述The LTC?1735 is a synchronous step-down switching regulator controller that drives external N-channel power MOSFETs using a fixed frequency architecture. Burst Mode? operation provides high efficiency at low load currents. The precision 0.8V reference is compatible with future generation microprocessors. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values.The operating frequency (synchronizable up to 500kHz) is set by an external capacitor allowing maximum flexibility in optimizing efficiency. A forced continuous control pin reduces noise and RF interference and can assist secondary winding regulation by disabling Burst Mode operation when the main output is lightly loaded.Protection features include internal foldback current limiting, output overvoltage crowbar and optional shortcircuit shutdown. Soft-start is provided by an external capacitor that can be used to properly sequence supplies. The operating current level is user-programmable via an external current sense resistor. Wide input supply range allows operation from 4V to 30V (36V maximum).