Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
Number of Pins |
10 |
Operating Temperature |
-40°C~125°C TJ |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e0 |
Pbfree Code |
no |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
10 |
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) |
260 |
Terminal Pitch |
0.5mm |
Frequency |
300kHz |
Base Part Number |
LM3743 |
Function |
Step-Down |
Number of Outputs |
1 |
Output Voltage |
4.6V |
Output Type |
Transistor Driver |
Input Voltage-Nom |
3.3V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Output Configuration |
Positive |
Output Current |
20A |
Voltage - Supply (Vcc/Vdd) |
3V~5.5V |
Quiescent Current |
1.8mA |
Control Features |
Current Limit, Enable, Soft Start, Tracking |
Input Voltage (Min) |
3V |
Topology |
Buck |
Control Mode |
VOLTAGE-MODE |
Input Voltage (Max) |
5.5V |
Control Technique |
PULSE WIDTH MODULATION |
Synchronous Rectifier |
Yes |
Switcher Configuration |
PUSH-PULL |
Max Duty Cycle |
91 % |
Duty Cycle (Max) |
91% |
Clock Sync |
No |
Length |
3mm |
Width |
3mm |
REACH SVHC |
No SVHC |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
LM3743MM-300 Overview
With its 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) package, the switching controller fits the needs of most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. PMIC is packaged in a solid enclosure of Tape & Reel (TR). Transistor Driver dc switching's outputs (s) are supported. A 3V~5.5V voltage is supplied to the dc control and used for operating it. Suitable for work in a -40°C~125°C TJ dc switcher. A generalization of dc dc regulator can be made using Surface Mount. Featured in the dcdc regulator is Current Limit, Enable, Soft Start, Tracking which allows efficient switching control. An analog IC SWITCHING CONTROLLER is connected to the switch converters. There are a DUAL terminal on the switching converters. Various 10 terminations. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. There is a DC switcher's nominal voltage of 3.3V. LM3743 can be used to locate other relevant dc to dc converter ics. The switching converter has a total of 10 pins. There is a particular type of Switching Regulator or Controllers in switching converter. This dc dc voltage regulator should be powered by a voltage of 3V. Statistically, DC regulator outputs 4.6V volts. The dc to dc regulator can only accept a maximum input voltage of 5.5V. If you start a project, note down the dc dc regulator's usual output current of 20A. To ensure the reliability under power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set as 91 %. This Surface Mount makes DC switcher suitable for most prototypes and applications. Switching controllers work at 300kHz Hz. As long as the dc switching is in a dormant state, it utilizes 1.8mA.
LM3743MM-300 Features
Transistor Driver Outputs
Current Limit, Enable, Soft Start, Tracking
PULSE WIDTH MODULATION
Max Duty Cycle: 91 %
Frequency: 300kHz
LM3743MM-300 Applications
There are a lot of Texas Instruments LM3743MM-300 DC to DC converter applications.
- Mobile phones
- Various CNC machine tools
- Bending machines
- Photovoltaic power
- Scientific testing
- Precision electronic equipment
- Textile machinery
- Motor controller circuits
- Production lines
- Constant current circuits