Texas Instruments LM2657MTCX/NOPB DC DC Switching Controllers
IC REG CTRLR BUCK 28TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2657MTCX/NOPB
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/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2657MTCX/NOPB DC DC Switching Controllers technical specifications.
General
RoHS
Yes
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
Alternate Parts Comparison (LM2657MTCX/NOPB 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 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Package | TSSOP-28 | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | TSSOP (PW)-28 |
| 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 |
| Action |
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