LM2657 Series

Catalog

DC/DC CNTRLR DUAL-OUT STEP DOWN 500KHZ 28-PIN TSSOP T/R

Part	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Number of Outputs	Mounting Type	Control Features	Package / Case	Package / Case	Package / Case [y]	Topology	Output Phases	Supplier Device Package	Operating Temperature [Min]	Operating Temperature [Max]	Frequency - Switching [Max]	Frequency - Switching [Min]	Output Type	Duty Cycle (Max) [Max]	Function	Output Configuration
Texas Instruments LM2657MTCX/NOPB	4.5 V	28 V	2	Surface Mount	Current Limit Enable Frequency Control Power Good Soft Start	28-TSSOP	0.173 in	4.4 mm	Buck	2	28-TSSOP	-40 °C	125 ¯C	500 kHz	200 kHz	Transistor Driver	70 %	Step-Down	Positive
Texas Instruments LM2657MTC/NOPB	4.5 V	28 V	2	Surface Mount	Current Limit Enable Frequency Control Power Good Soft Start	28-TSSOP	0.173 in	4.4 mm	Buck	2	28-TSSOP	-40 °C	125 ¯C	500 kHz	200 kHz	Transistor Driver	70 %	Step-Down	Positive
Texas Instruments LM2657MTC	4.5 V	28 V	2	Surface Mount	Current Limit Enable Frequency Control Power Good Soft Start	28-TSSOP	0.173 in	4.4 mm	Buck	2	28-TSSOP	-40 °C	125 ¯C	500 kHz	200 kHz	Transistor Driver	70 %	Step-Down	Positive