DC DC Switching Controllers

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	Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Output Type	Function	Output Configuration	Topology	Number of Outputs	Output Phases	Voltage - Supply (Vcc/Vdd)	Frequency - Switching	Duty Cycle (Max)	Synchronous Rectifier	Clock Sync	Serial Interfaces	Control Features	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
	LT8708IUHG#PBF 80V SYNCHRONOUS 4-SWITCH BUCK-BO Analog Devices Inc.	0 In Stock Check Lead Time	1 : £13.44000 Tube	-	Tube	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	1	2	2.8V ~ 80V	100kHz ~ 400kHz	80%	Yes	Yes	-	-	-40°C ~ 125°C	Surface Mount	40-WFQFN Exposed Pad	40-QFN (5x8)
	LM5176RHFT POWER MANAGEMENT Texas Instruments	0 In Stock Check Lead Time	1 : £6.10000 Cut Tape (CT) 250 : £3.82000 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	1	1	4.2V ~ 55V	100kHz ~ 600kHz	50%	Yes	Yes	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	Surface Mount	28-VFQFN Exposed Pad	28-VQFN (5x4)

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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.