Datasheet Analog Devices LTC1871EMS-1#PBF — 数据表

LTC1871-1
Wide Input Range, No RSENSE™
Current Mode Boost,
Flyback and SEPIC Controller
DESCRIPTION FEATURES n High Efficiency (No Sense Resistor Required)
Wide Input Voltage Range: 2.5V to 36V
Current Mode Control Provides Excellent
Transient Response
High Maximum Duty Cycle (92% Typ)
±2% RUN Pin Threshold with 100mV Hysteresis
±1% Internal Voltage Reference
Ultra Low Pulse Skip Threshold for Wide Input
Range Applications
Micropower Shutdown: IQ = 10μA
Programmable Operating Frequency
(50kHz to 1MHz) with One External Resistor
Synchronizable to an External Clock Up to 1.3 × fOSC
User-Controlled Pulse Skip or Burst Mode® Operation
Internal 5.2V Low Dropout Voltage Regulator
Output Overvoltage Protection
Capable of Operating with a Sense Resistor for High
Output Voltage Applications
Small 10-Lead MSOP Package The LTC®1871-1 is a wide input range, current mode, boost, …