Datasheet Analog Devices LTC1871EMS-7#TRPBF — Datenblatt

LTC1871-7
High Input Voltage,
Current Mode Boost,
Flyback and SEPIC Controller
Description Features Optimized for High Input Voltage Applications
n Wide Chip Supply Voltage Range: 6V to 36V
n Internal 7V Low Dropout Voltage Regulator
Optimized for 6V-Rated MOSFETs
n Current Mode Control Provides Excellent
Transient Response
n High Maximum Duty Cycle (92% Typ)
n ±2% RUN Pin Threshold with 100mV Hysteresis
n ±1% Internal Voltage Reference
n Micropower Shutdown: I = 10µA
Q
n Programmable Operating Frequency
(50kHz 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® Operatio Output Overvoltage Protectio Can be Used in a No R
SENSE™ Mode for VDS < 36V
n Small 10-Lead MSOP Package The LTC®1871-7 is a current mode, boost, flyback and
SEPIC controller optimized for driving 6V-rated MOSFETs …