Linear Technology LTC4412HVIS6#PBF PowerPath™ Controller Model Information

Model Number: LTC4412HVIS6#PBF

Key Features:

• Very low loss replacement for power supply OR’ing diodes
• 3V to 36V AC/DC adapter voltage range
• Operating temperature range: –40°C to 125°C
• Minimal external components required
• Automatic switching between DC sources
• Simplifies load sharing with multiple batteries
• Low quiescent current: 11µA
• 2.5V to 36V battery voltage range
• Reverse battery protection
• Drives almost any size MOSFET for a wide range of current requirements
• MOSFET gate protection clamp
• Manual control input
• Low profile (1mm) SOT-23 (ThinSOT™) package
• Applications:
• Industrial and automotive applications
• Notebook and handheld computers
• USB-powered peripherals
• Uninterruptable power supplies
• Logic controlled power switch
• General Description:
  The LTC4412HV is a PowerPath™ controller that manages the switching and load sharing between multiple power sources. It controls an external P-channel MOSFET to create a near ideal diode function for power switchover, allowing for efficient OR’ing of multiple power sources to extend battery life and reduce self-heating. The device operates over a wide supply voltage range, supporting one to eight Li-Ion cells in series. Its low quiescent current and minimal external components make it suitable for a variety of power management applications.
• Pin Configuration:
• VIN (Pin 1): Primary input supply voltage
• GND (Pin 2): Ground
• CTL (Pin 3): Digital control input
• STAT (Pin 4): Open-drain output status pin
• GATE (Pin 5): Primary P-channel MOSFET power switch gate drive pin
• SENSE (Pin 6): Power sense input pin
• Electrical Specifications (at TA = 25°C, VIN = 12V):
• Operating Supply Range (VIN): 3V to 36V
• Quiescent Supply Current (IQFL): 11µA (typical) at low supply
• Quiescent Supply Current (IQFH): 18µA (typical) at high supply
• PowerPath Switch Forward Regulation Voltage (VFR): 10mV to 32mV
• PowerPath Switch Reverse Turn-Off Threshold Voltage (VRTO): 10mV to 32mV
• Package Information:
• Package Type: 6-Lead Plastic TSOT-23 (S6)
• Temperature Range: –40°C to 125°C
• Ordering Information:
• Model: LTC4412HVIS6#PBF
• Package: 6-Lead Plastic TSOT-23 (S6)
• The LTC4412HV is an ideal solution for applications requiring efficient power management and seamless switching between multiple power sources, ensuring reliable and efficient operation in various electronic systems.