DC DC Switching Controllers

PMIC (Power Management Integrated Circuit) DC to DC switching controllers are voltage regulation ICs used in high efficiency circuits configured to generate output supply voltages above (boost or step-up) or below (buck or step-down) the input supply. Other topologies may include; buck-boost, flyback, forward, cuk, SEPIC, full bridge, half bridge, and push-pull. They differ from linear regulators that require minimum voltages and \"burn off\" excess voltage.

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Select products	Mfr	Description	Package	Supplier Device Package	Mounting Type	Series	Operating Temperature
LM5642XMT $2.46	Texas Instruments	IC REG CTRLR BUCK 28TSSOP	Tube	28-TSSOP	Surface Mount	-	-40°C ~ 125°C (TJ)
LM5642XMT/NOPB $4.22	Texas Instruments	IC REG CTRLR BUCK 28TSSOP	Tube	28-TSSOP	Surface Mount	-	-40°C ~ 125°C (TJ)
LM5642XMTX $2.18	Texas Instruments	IC REG CTRLR BUCK 28TSSOP	Tape & Reel (TR)	28-TSSOP	Surface Mount	-	-40°C ~ 125°C (TJ)
LM5642XMTX/NOPB $2.07	National Semiconductor	LM5642X HIGH VOLTAGE, DUAL SYNCH	Bulk	28-TSSOP	Surface Mount	-	-40°C ~ 125°C (TJ)
LM5642XMTX/NOPB $3.59	Texas Instruments	IC REG CTRLR BUCK 28TSSOP	Tape & Reel (TR),Cut Tape (CT)	28-TSSOP	Surface Mount	-	-40°C ~ 125°C (TJ)
LT1241CN8#PBF $3.05	Analog Devices Inc.	IC REG CTRLR BUCK 8DIP	Tube	8-PDIP	Through Hole	-	0°C ~ 100°C (TJ)
LT1241CS8#PBF $7.39	Analog Devices Inc.	IC REG CTRLR BUCK 8SOIC	Tube	8-SO	Surface Mount	-	0°C ~ 100°C (TJ)
LT1241CS8#TRPBF $3.22	Analog Devices Inc.	IC REG CTRLR BUCK 8SOIC	Tape & Reel (TR)	8-SO	Surface Mount	-	0°C ~ 100°C (TJ)