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LTC3859AMPFE

LTC3859AMPFE

LTC3859AMPFE

Linear Technology/Analog Devices

38 Terminals 4.5V~38V LTC3859 DC to DC converter ICDUAL SWITCHING CONTROLLER 3 Outputs 115kHz~835kHz 350kHz~535kHz Transistor Driver

SOT-23

LTC3859AMPFE Datasheet

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Specifications
Name Value
Type Parameter
Mounting Type Surface Mount
Package / Case 38-TFSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Operating Temperature -55°C~150°C TJ
Packaging Tube
JESD-609 Code e3
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 38
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Terminal Pitch 0.5mm
Base Part Number LTC3859
Function Step-Down, Step-Up/Step-Down
Number of Outputs 3
Output Voltage 5.4V
Output Type Transistor Driver
Input Voltage-Nom 12V
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Voltage - Supply (Vcc/Vdd) 4.5V~38V
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking
Input Voltage (Min) 4.5V
Topology Buck, Buck-Boost, SEPIC
Control Mode CURRENT-MODE
Frequency - Switching 115kHz~835kHz 350kHz~535kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PHASE-SHIFT
Duty Cycle (Max) 99%, 100%
Clock Sync No
Output Phases 2
Length 9.7mm
Width 4.4mm
RoHS Status Non-RoHS Compliant
LTC3859AMPFE Product Details

LTC3859AMPFE Overview


In the 38-TFSOP (0.173, 4.40mm Width) Exposed Pad package, the switching controller meets most application requirements. There is enough capacity in the dc motor controller to generate the output for the 3 input. PMIC packaging is solid with a Tube enclosure. There are Transistor Driver dc switching's output (s) that it can handle. Voltages 4.5V~38V are the dc control's supply voltage and operating voltage, respectively. Qualified to work in an dc switcher with -55°C~150°C TJ. The switching controller can be switched at 115kHz~835kHz 350kHz~535kHz. Surface Mount makes it suitable for general dc dc regulator. For efficient switching control, the dcdc regulator features Enable, Frequency Control, Power Good, Soft Start, Tracking. The switch converters are connected to a DUAL SWITCHING CONTROLLER analog IC. Thare switching converters has a terminal (s) at DUAL . 38 terminations with a variety of function. A few of the control techniques these dc dc converter ics adapt include PULSE WIDTH MODULATION. A DC switcher's nominal voltage of 12V is input. Other relevant dc to dc converter ics can be found by searching "LTC3859". Specifically, switching converter falls under the Switching Regulator or Controllers category. The minimum input voltage of the dc dc voltage regulator should be 4.5V. As determined by the test statistics, the output voltage of DC regulator is 5.4V.

LTC3859AMPFE Features


Transistor Driver Outputs
Switching Frequency: 115kHz~835kHz 350kHz~535kHz
Enable, Frequency Control, Power Good, Soft Start, Tracking
PULSE WIDTH MODULATION

LTC3859AMPFE Applications


There are a lot of Linear Technology/Analog Devices LTC3859AMPFE DC to DC converter applications.

  • Machining centers
  • Direct power supply system
  • Household control circuits
  • Terrestrial set-top boxes
  • Various precision measuring detectors
  • Die casting equipment
  • Television equipment
  • Smoke exhaust equipment
  • Automatic testing equipment
  • Product testing

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