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LT3091 – –36V, 1.5A Negative Linear Regulator with Programmable Current Limit

LT3091 – –36V, 1.5A Negative Linear Regulator with Programmable Current Limit

Linear Technology Corporation announces the LT3091, the latest addition to our LDO+ family, a 1.5 A low dropout negative linear regulator featuring low noise, rail-to-rail operation, precision programmable current limit and a bidirectional output current monitor. The device is cable-drop compensation capable, easily paralleled for higher current or circuit board heat spreading, and configurable as a 3-terminal floating regulator. The LT3091’s input voltage range is –1.5 V to –36 V. A single resistor programs the adjustable rail-to-rail output voltage from 0 V to –32 V and dropout voltage is only 300 mV (typical at full load).

Features

  • Output Current: 1.5A
  • Single Resistor Sets Output Voltage
  • 50μA SET Pin Current: ±1% Initial Accuracy
  • Programmable Current Limit
  • Positive or Negative Output Current Monitor
  • Parallelable for Higher Current and Heat Spreading
  • Low Dropout Voltage: 300mV
  • Low Output Noise: 18μVRMS (10Hz to 100kHz)
  • Configurable as a 3-Terminal Floating Regulator
  • Wide Input Voltage Range: –1.5V to –36V
  • Rail-to-Rail Output Voltage Range: 0V to –32V
  • Positive/Negative Shutdown Logic or UVLO
  • Programmable Cable Drop Compensation
  • Load Regulation: 1.2mV (1mA to 1.5A)
  • Stable with 10μF Minimum Output Capacitor
  • Stable with Ceramic or Tantalum Capacitors
  • Thermally Enhanced 14-Lead 4mm × 3mm DFN, 16-Lead TSSOP, 7-Lead TO-220 and DD Packages

LT3091 – –36V, 1.5A Negative Linear Regulator with Programmable Current Limit – [Link]

 




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