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

LM3481MMX/NOPB IC REG CTRLR MULT TOP 10MSOP Texas Instruments	7,064 In Stock	1 : ¥22.87000 Cut Tape (CT) 3,500 : ¥10.45498 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97V ~ 48V	100kHz ~ 1MHz	85%	No	Yes	-	Enable, Frequency Control, Ramp, Soft Start	-40°C ~ 125°C (TJ)	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-VSSOP
TL494CN IC REG CTRLR MULT TOPOLOGY 16DIP Texas Instruments	3,967 In Stock	1 : ¥5.53000 Tube	-	Tube	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive	Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull	2	1	7V ~ 40V	1kHz ~ 300kHz	45%	No	No	-	Dead Time Control, Frequency Control	0°C ~ 70°C (TA)	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
MIC2101YML-TR IC REG CTRLR BUCK 16MLF Microchip Technology	13,705 In Stock	1 : ¥12.67000 Cut Tape (CT) 5,000 : ¥10.30726 Tape & Reel (TR)	HyperLight Load®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5V ~ 38V	200kHz ~ 600kHz	85%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good	-40°C ~ 125°C (TJ)	Surface Mount	16-VFQFN Exposed Pad	16-MLF® (3x3)
LM5122MH/NOPB IC REG CTRLR MULT TOP 20HTSSOP Texas Instruments	3,171 In Stock	1 : ¥47.52000 Tube	-	Tube	Active	Transistor Driver	Step-Up	Positive	Boost	1	1	4.5V ~ 65V	Up to 1MHz	100%	Yes	Yes	-	Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	Surface Mount	20-PowerTSSOP (0.173", 4.40mm Width)	20-HTSSOP
TPS40170RGYT IC REG CTRLR BUCK 20VQFN Texas Instruments	905 In Stock	1 : ¥56.96000 Cut Tape (CT) 250 : ¥40.69348 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5V ~ 60V	100kHz ~ 600kHz	95%	Yes	Yes	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	Surface Mount	20-VFQFN Exposed Pad	20-VQFN (3.5x4.5)
ISL8117FRZ IC REG CTRLR BUCK 16QFN Renesas Electronics Corporation	1,447 In Stock	1 : ¥42.33000 Tray	-	Tray	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5V ~ 60V	100kHz ~ 2MHz	-	Yes	Yes	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	Surface Mount	16-TFQFN Exposed Pad	16-QFN (4x4)
ISL8117FRZ-T IC REG CTRLR BUCK 16QFN Renesas Electronics Corporation	0 In Stock Check Lead Time	6,000 : ¥20.44118 Tape & Reel (TR)	-	Tape & Reel (TR)	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5V ~ 60V	100kHz ~ 2MHz	-	Yes	Yes	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	Surface Mount	16-TFQFN Exposed Pad	16-QFN (4x4)

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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.