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LM5642XMT

LM5642XMT

LM5642XMT

Texas Instruments

28 Terminals 4.5V~36V 28-Pin LM5642 DC to DC converter IC DUAL SWITCHING CONTROLLER 2 Outputs Transistor Driver

SOT-23

LM5642XMT Datasheet

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Specifications
Name Value
Type Parameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-TSSOP (0.173, 4.40mm Width)
Number of Pins 28
Operating Temperature -40°C~125°C TJ
Packaging Tube
JESD-609 Code e0
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 28
Termination SMD/SMT
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Switching Regulator or Controllers
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 235
Terminal Pitch 0.65mm
Frequency 375kHz
Base Part Number LM5642
Function Step-Down
Number of Outputs 2
Output Voltage 32.4V
Output Type Transistor Driver
Max Output Current 20A
Input Voltage-Nom 5V
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Output Current 20A
Voltage - Supply (Vcc/Vdd) 4.5V~36V
Quiescent Current 1.1mA
Control Features Current Limit, Enable, Soft Start
Max Output Voltage 32.4V
Topology Buck
Min Input Voltage 4.5V
Control Mode CURRENT-MODE
Max Input Voltage 36V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Min Output Voltage 1.3V
Switcher Configuration PUSH-PULL
Max Duty Cycle 98.9 %
Duty Cycle (Max) 98.9%
Length 9.7mm
Width 4.4mm
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
LM5642XMT Product Details

LM5642XMT Overview


Capsuled in the 28-TSSOP (0.173, 4.40mm Width) package, the switching controller suits most application needs. The dc motor controller is adquate to generate for 2 outputs. The pmic is packaged in Tube solid enclosure. It is capable of dealing with Transistor Driver dc switching's output (s). dc switching'sThe supply and operating voltage of the dc control are 4.5V~36V. Qualified to work in a -40°C~125°C TJ dc switcher. Surface Mount makes it suitable for general dc dc regulator. The dcdc regulator features Current Limit, Enable, Soft Start for efficient switching control. The switch converters are connected to a DUAL SWITCHING CONTROLLER analog IC. Terminal (s) of the switching converters are designed at the DUAL position. 28 terminations with a variety of function. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. 5V nominal DC switcher's voltage input. Other relevant dc to dc converter ics can be found by searching "LM5642". Switching converter has a total of 28 pins. Switching converter is a type of Switching Regulator or Controllers in particular. According to the test statistics, DC regulator outputs 32.4V voltage. The dc dc regulator's usual output current is 20A, which should be noted down when you start a project. To ensure the reliability under power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set as 98.9 %. DC switcher's Surface Mount makes it qualified for most application and prototype designs. DC switcher'sThe switching controller works at a frequency of 375kHz. The dc switching utilizes 1.1mA when it is in a dormant state. Because the dc switcher's maximum input voltage is 36V users must limit the voltage accordingly. Switching controller is necessary to have a supply voltage of 4.5V. The dc switcher will not provide an output current greater than 20A. The switching converter can output 32.4V volts at its utmost, according to the datasheet. The voltage controller's lowest voltage output is not less than 1.3V.

LM5642XMT Features


Transistor Driver Outputs
Current Limit, Enable, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 98.9 %
Frequency: 375kHz


LM5642XMT Applications


There are a lot of Texas Instruments
LM5642XMT DC to DC converter applications.


  • CNC system
  • Servo drive system
  • Digital display device
  • Linear guide
  • Ball screw pair
  • Computer application technology
  • Network technology
  • Automation technology
  • CMM
  • Various precision measuring instruments

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