Texas Instruments LM2657MTCX DC DC Switching Controllers
IC REG CTRLR BUCK 28TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2657MTCX
Detailed Description
IC REG CTRLR BUCK 28TSSOP
Package
28-TSSOP (0.173", 4.40mm Width)
Key Features
Package / Case: 28-TSSOP (0.173", 4.40mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM2657MTCX Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2657MTCX DC DC Switching Controllers technical specifications.
General
Package / Case
28-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
4.5V ~ 28V
Lifecycle Status
Obsolete
Output Type
Transistor Driver
Switching Frequency
200kHz ~ 500kHz
Number of Outputs
2
Topology
Buck
Control Features
Current Limit, Enable, Frequency Control, Power Good, Soft Start
Alternate Parts Comparison (LM2657MTCX vs LM2642MTCX/NOPB vs LM5642MTCX/J7002465 vs LM5642XMTX/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-TSSOP | 28-TSSOP | 28-TSSOP | 28-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 4.5V ~ 28V | 4.5V ~ 30V | 4.5V ~ 36V | 4.5V ~ 36V |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Switching Frequency | 200kHz ~ 500kHz | -- | 150kHz ~ 250kHz | 375kHz |
| Clock Sync | No | -- | Yes | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -- | Current Limit, Enable, Soft Start, Sync | Current Limit, Enable, Soft Start |
| Duty Cycle Max | 70% | -- | 98.9% | 98.9% |
| Function | Step-Down | -- | Step-Down | Step-Down |
| Number of Outputs | 2 | -- | 2 | 2 |
| Output Configuration | Positive | -- | Positive | Positive |
| Action |
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