LM2657MTC
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- Mfr.Part #
- LM2657MTC
- Manufacturer
- Texas Instruments
- Package / Case
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 28TSSOP
- Stock
- 65
- In Stock ：
- 65
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Serial Interfaces :
- -
- Frequency - Switching :
- 200kHz ~ 500kHz
- Mounting Type :
- Surface Mount
- Product Status :
- Obsolete
- Output Phases :
- 2
- Control Features :
- Current Limit, Enable, Frequency Control, Power Good, Soft Start
- Output Configuration :
- Positive
- Number of Outputs :
- 2
- Clock Sync :
- No
- Operating Temperature :
- -40°C ~ 125°C (TJ)
- Function :
- Step-Down
- Synchronous Rectifier :
- Yes
- Duty Cycle (Max) :
- 70%
- Topology :
- Buck
- Supplier Device Package :
- 28-TSSOP
- Output Type :
- Transistor Driver
- Voltage - Supply (Vcc/Vdd) :
- 4.5V ~ 28V
- Datasheets
- LM2657MTC
28 Terminals 4.5V~28V 28-Pin LM2657 DC to DC converter IC DUAL SWITCHING CONTROLLER 2 Outputs 200kHz~500kHz Transistor Driver
LM2657MTC Overview
It comes in the 28-TSSOP (0.173, 4.40mm Width) package, which makes switching controller suitable for most applications. It is sufficient to generate 2 outputs with this dc motor controller. Packaging for the pmic consists of Tube solid enclosures. The program can handle Transistor Driver dc switching's outputs (s). dc control's supply and operating voltages are 4.5V~28V. Qualified to work in an dc switcher with -40°C~125°C TJ. The switching controller can be switched at 200kHz~500kHz. dc dc regulators can be carried out with Surface Mount. Current Limit, Enable, Frequency Control, Power Good, Soft Start provides dcdc regulator efficient switching control. The switch converters are connected to an analog IC with a DUAL SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. Different dc switching's functions can be applied to 28 terminations. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. DC switcher's voltage input of 15V. LM2657 can be searched for other relevant dc to dc converter ics. In total, switching converter has 28 pins. Statistically, DC regulator outputs 600mV volts. In most cases, the output current of the dc dc regulator will be 20A, so note that when you start the project. Power-up and power-down reliability is ensured voltage regulator dc to dc by setting the maximum duty cycle to 70 %. DC switcher's Surface Mount qualifies it for most applications and prototypes. 345kHz is the frequency of the switching controller. For safe and reliable operation in a circuit, voltage regulator dc to dc is suggested that users apply 28V. Dormant dc switchings use 2.5mA. The maximum input voltage of the dc switcher is 28V, so users need to limit the voltage accordingly. 4.5V is the required supply voltage. Neither the voltage controller's lowest voltage output 600mVr its highest voltage output is less than 600mV.
LM2657MTC Features
Transistor Driver Outputs
Switching Frequency: 200kHz~500kHz
Current Limit, Enable, Frequency Control, Power Good, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 70 %
Frequency: 345kHz
LM2657MTC Applications
There are a lot of Texas Instruments
LM2657MTC DC to DC converter applications.
- Linear guide
- Ball screw pair
- Computer application technology
- Network technology
- Automation technology
- CMM
- Various precision measuring instruments
- Various precision measuring detectors
- Flaw detection equipment
- Balance equipment
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