LM2657MTCX/NOPB
| Parameters | |
|---|---|
| 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 | Tape & Reel (TR) |
| 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 |
LM2657MTCX/NOPB Overview
As a result of 28-TSSOP (0.173, 4.40mm Width) compact design, the switching controller is compatible with most applications. For outputs of 2, this dc motor controller is suitable. Packaged in solid enclosures, this pmic has a Tape & Reel (TR) rating. The program can handle Transistor Driver dc switching's outputs (s). 4.5V~28V is the supply voltage and the operating voltage of the dc control. Qualified to work in an dc switcher with -40°C~125°C TJ. In this switching controller, the switch can be set to 200kHz~500kHz. dc dc regulators can be carried out with Surface Mount. Current Limit, Enable, Frequency Control, Power Good, Soft Start is used for efficient switching control in the dcdc regulator. The switch converters are connected to an analog IC with a DUAL SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. Various 28 terminations. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. There is a DC switcher's nominal voltage of 15V. LM2657 can be used to locate other relevant dc to dc converter ics. Switching converter has a total of 28 pins. There is a particular type of Switching Regulator or Controllers in switching converter. It is recommended to use 4.5V as the minimum input voltage of dc dc voltage regulator. The test statistics indicate that DC regulator outputs a voltage of 600mV. If you are starting a new project, you should note the dc dc regulator's typical output current is 20A. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 70 %. The Surface Mount makes DC switcher suitable for most applications and prototypes. DC regulator500kHz has the maximum frequency. In order to run the voltage regulator dc to dc safely and reliably, users are advised to apply 28V. In dormant mode, 2.5mA is used.
LM2657MTCX/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 %
LM2657MTCX/NOPB Applications
There are a lot of Texas Instruments LM2657MTCX/NOPB DC to DC converter applications.
- Surge protection circuits
- Automation technology
- Nuclear power plants
- Hydrogen power
- SMT equipment
- Correction machines
- Laboratories
- Power supplies of electronic gadgets
- Terrestrial set-top boxes
- Television equipment
