LTC1871
LTC1871 is Flyback and SEPIC Controller manufactured by Linear Technology.
Features n High Efficiency (No Sense Resistor Required) n Wide Input Voltage Range: 2.5V to 36V n Current Mode Control Provides Excellent
Transient Response n High Maximum Duty Cycle (92% Typ) n ±2% RUN Pin Threshold with 100m V Hysteresis n ±1% Internal Voltage Reference n Micropower Shutdown: IQ = 10μA n Programmable Operating Frequency
(50k Hz to 1MHz) with One External Resistor n Synchronizable to an External Clock Up to 1.3 × f OSC n User-Controlled Pulse Skip or Burst Mode® Operation n Internal 5.2V Low Dropout Voltage Regulator n Output Overvoltage Protection n Capable of Operating with a Sense Resistor for
High Output Voltage Applications n Small 10-Lead MSOP Package
APPLICATIONS n Tele Power Supplies n Portable Electronic Equipment
Wide Input Range, No RSENSE™ Current Mode Boost,
Flyback and SEPIC Controller DESCRIPTION
The LTC®1871 is a wide input range, current mode, boost, flyback or SEPIC controller that drives an N-channel power MOSFET and requires...
