LM2657MTC/NOPB
| Parameters | |
|---|---|
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP (0.173, 4.40mm Width) |
| Number of Pins | 28 |
| Weight | 402.988471mg |
| Operating Temperature | -40°C~125°C TJ |
| Packaging | Tube |
| JESD-609 Code | e3 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Number of Terminations | 28 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) |
| Subcategory | Switching Regulator or Controllers |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Pitch | 0.65mm |
| Base Part Number | LM2657 |
| Function | Step-Down |
| Number of Outputs | 2 |
| Output Voltage | 600mV |
| Output Type | Transistor Driver |
| Operating Supply Voltage | 28V |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Output Current | 20A |
| Voltage - Supply (Vcc/Vdd) | 4.5V~28V |
| Quiescent Current | 2.5mA |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Input Voltage (Min) | 4.5V |
| Topology | Buck |
| Control Mode | VOLTAGE-MODE |
| Frequency - Switching | 200kHz~500kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | Yes |
| Switcher Configuration | PUSH-PULL |
| Max Frequency | 500kHz |
| Max Duty Cycle | 70 % |
| Clock Sync | No |
| Height Seated (Max) | 1.1mm |
| Length | 9.7mm |
| Width | 4.4mm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
LM2657MTC/NOPB Overview
The switching controller fits in the 28-TSSOP (0.173, 4.40mm Width) package and is ideal for most applications. This dc motor controller can be used to generate outputs with 2 numbers. Packaging for the pmic consists of Tube solid enclosures. It is capable of handling Transistor Driver dc switching's outputs (s). DC control operates at 4.5V~28V volts and has 4.5V~28V supply voltage. Qualified to work in an dc switcher with -40°C~125°C TJ. There is a switch at 200kHz~500kHz that can be used with this controller. Surface Mount makes it suitable for general dc dc regulator. For efficient switching control, the dcdc regulator features Current Limit, Enable, Frequency Control, Power Good, Soft Start. The switch converters are connected to an analog IC with a DUAL SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. A variety of dc switching's functions can be performed on 28 terminations. These dc dc converter ics adapt a variety of control techniques, including PULSE WIDTH MODULATION. DC switcher's input voltageis set to 15V. You can find other relevant dc to dc converter ics by searching "LM2657". Pins number 28 of switching converter in total. Specifically, switching converter falls under the Switching Regulator or Controllers category. Input voltage of dc dc voltage regulator must be 4.5V. Statistically, DC regulator outputs 600mV volts. A starting point for a project is to note down the dc dc regulator's usual output current, which is 20A. Voltage regulator dc to dc is designed to operate at 70 % duty cycle during power-ups and power-downs to ensure reliability. In most applications and prototype designs, DC switcher is qualified as a Surface Mount. DC regulator500kHz has the maximum frequency. In order for the voltage regulator dc to dc to perform safely and reliably in a circuit, users are advised to apply 28V. When the dc switching is dormant, it uses 2.5mA.
LM2657MTC/NOPB Features
Transistor Driver Outputs
Switching Frequency: 200kHz~500kHz
Current Limit, Enable, Frequency Control, Power Good, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 70 %
LM2657MTC/NOPB Applications
There are a lot of Texas Instruments LM2657MTC/NOPB DC to DC converter applications.
- Network technology
- Television equipment
- Product testing
- Various CNC machine tools
- Thermal power
- Pipe bending machines
- Computer rooms
- Planers
- Digital precision reference circuits
- Smoke prevention equipment
