Parameters |
Mfr |
Texas Instruments |
Series |
- |
Package |
Tube |
Product Status |
Obsolete |
Output Type |
Transistor Driver |
Function |
Step-Down |
Output Configuration |
Positive |
Topology |
Buck |
Number of Outputs |
2 |
Output Phases |
2 |
Voltage - Supply (Vcc/Vdd) |
4.5V ~ 28V |
Frequency - Switching |
200kHz ~ 500kHz |
Duty Cycle (Max) |
70% |
Synchronous Rectifier |
Yes |
Clock Sync |
No |
Serial Interfaces |
- |
Control Features |
Current Limit, Enable, Frequency Control, Power Good, Soft Start |
Operating Temperature |
-40°C ~ 125°C (TJ) |
Mounting Type |
Surface Mount |
Package / Case |
28-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package |
28-TSSOP |
Base Product Number |
LM2657 |
RoHS Status |
RoHS non-compliant |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
REACH Status |
REACH Unaffected |
ECCN |
EAR99 |
HTSUS |
8542.39.0001 |
Standard Package |
48 |
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-TSSOP