Analog Devices, Inc. Distributor - PMIC - Voltage Regulators - DC DC Switching Controllers - LTC1435CG LTC3853MPUJ#PBF - CHIPSIC

Part Number	Manufacturer / Brand	Brife Description	Part 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	Package / Case	Supplier Device Package
LTC1435CG	Linear Technology/Analog Devices	IC Regulators Controller BUCK 16SSOP	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	3.5 V ~ 30 V	Up to 400kHz	99%	Yes	No	-	Enable, Soft Start	0°C ~ 70°C (TA)	16-SSOP (0.209", 5.30mm Width)	16-SSOP
LTC3853MPUJ#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 40QFN	Active	Transistor Driver	Step-Down	Positive	Buck	3	3	4.5 V ~ 24 V	250kHz ~ 750kHz	98%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking	-55°C ~ 150°C (TJ)	40-WFQFN Exposed Pad	40-QFN (6x6)
LTC1539IGW#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 36SSOP	Active	Transistor Driver	Step-Down	Positive	Buck	2	1	3.5 V ~ 30 V	Up to 400kHz	99%	Yes	No	-	Enable, Power on Reset, Soft Start	-40°C ~ 85°C (TA)	36-BSOP (0.295", 7.50mm Width)	36-SSOP
LTC3859AMPUHF#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOPOLOGY 38QFN	Active	Transistor Driver	Step-Down, Step-Up/Step-Down	Positive	Buck, Buck-Boost, SEPIC	3	2	4.5 V ~ 38 V	115kHz ~ 835kHz, 350kHz ~ 535kHz	99%, 100%	Yes	No	-	Enable, Frequency Control, Power Good, Soft Start, Tracking	-55°C ~ 150°C (TJ)	38-WFQFN Exposed Pad	38-QFN (5x7)
LTC1439CG	Linear Technology/Analog Devices	IC Regulators Controller BUCK 36SSOP	Active	Transistor Driver	Step-Down	Positive	Buck	2	1	3.5 V ~ 30 V	Up to 400kHz	99%	Yes	No	-	Enable, Power on Reset, Soft Start	0°C ~ 70°C (TA)	36-SSOP (0.209", 5.30mm Width)	36-SSOP
LTC3899MPUHF#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/BUCK-BST 38QFN	Active	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	3	2	4.5 V ~ 60 V	105kHz ~ 835kHz, 350kHz ~ 535kHz	100%	Yes	No	-	Enable, Frequency Control, Soft Start, Tracking	-55°C ~ 150°C (TJ)	38-WFQFN Exposed Pad	38-QFN (5x7)
LTC1871EMS-7#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 10MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	6 V ~ 36 V	50kHz ~ 1MHz	92%	No	Yes	-	Enable, Frequency Control	-40°C ~ 85°C (TA)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
LT3759EMSE#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 12MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative, Isolation Capable	Boost, Flyback, SEPIC	1	1	1.6 V ~ 42 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	12-TSSOP (0.118", 3.00mm Width) Exposed Pad	12-MSOP-EP
LTC3786EMSE#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 16MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	4.5 V ~ 38 V	105kHz ~ 760kHz	96%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	16-TFSOP (0.118", 3.00mm Width) Exposed Pad	16-MSOP-EP
LTC3704EMS#PBF	Linear Technology/Analog Devices	IC Regulators Controller CUK 10MSOP	Active	Transistor Driver	Step-Up/Step-Down	Negative	Cuk	1	1	2.5 V ~ 36 V	50kHz ~ 1MHz	92%	No	Yes	-	Enable, Frequency Control	-40°C ~ 85°C (TA)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
LT3748EMS#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller FLYBACK 16MSOP	Active	Transistor Driver	Step-Up/Step-Down	Positive, Isolation Capable	Flyback	1	1	5 V ~ 100 V	-	-	No	No	-	Enable, Soft Start	-40°C ~ 125°C (TJ)	16-TFSOP (0.118", 3.00mm Width), 12 Leads	16-MSOP
LT3748IMS#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller FLYBACK 16MSOP	Active	Transistor Driver	Step-Up/Step-Down	Positive, Isolation Capable	Flyback	1	1	5 V ~ 100 V	-	-	No	No	-	Enable, Soft Start	-40°C ~ 125°C (TJ)	16-TFSOP (0.118", 3.00mm Width), 12 Leads	16-MSOP
LT3757IMSE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 10MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive and Negative	Boost, Flyback, SEPIC	1	1	2.9 V ~ 40 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad	10-MSOP-EP
LTC3850EUF#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 28QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4 V ~ 24 V	250kHz ~ 780kHz	97.2%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 85°C (TA)	28-WFQFN Exposed Pad	28-QFN (4x4)
LT3758AEMSE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 10MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative, Isolation Capable	Boost, Flyback, SEPIC	1	1	5.5 V ~ 100 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad	10-MSOP-EP
LT3758EMSE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 10MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative, Isolation Capable	Boost, Flyback, SEPIC	1	1	5.5 V ~ 100 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad	10-MSOP-EP
LT3758EDD#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOPOLOGY 10DFN	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative, Isolation Capable	Boost, Flyback, SEPIC	1	1	5.5 V ~ 100 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	10-WFDFN Exposed Pad	10-DFN (3x3)
LT3759EMSE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 12MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative, Isolation Capable	Boost, Flyback, SEPIC	1	1	1.6 V ~ 42 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	12-TSSOP (0.118", 3.00mm Width) Exposed Pad	12-MSOP-EP
LTC1871EMS#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 10MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative	Boost, Flyback, SEPIC	1	1	2.5 V ~ 36 V	50kHz ~ 1MHz	92%	No	Yes	-	Enable, Frequency Control	-40°C ~ 85°C (TA)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
LTC1871EMS-7#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 10MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	6 V ~ 36 V	50kHz ~ 1MHz	92%	No	Yes	-	Enable, Frequency Control	-40°C ~ 85°C (TA)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
LTC3786EMSE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 16MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	4.5 V ~ 38 V	105kHz ~ 760kHz	96%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	16-TFSOP (0.118", 3.00mm Width) Exposed Pad	16-MSOP-EP
LT3759IMSE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 12MSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive or Negative, Isolation Capable	Boost, Flyback, SEPIC	1	1	1.6 V ~ 42 V	100kHz ~ 1MHz	-	No	Yes	-	Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	12-TSSOP (0.118", 3.00mm Width) Exposed Pad	12-MSOP-EP
LTC3867EUF#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 24QFN	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4 V ~ 38 V	200kHz ~ 1.2MHz	98%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	24-WFQFN Exposed Pad	24-QFN (4x4)
LTC3866EUF#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 24QFN	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 38 V	250kHz ~ 770kHz	-	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	24-WFQFN Exposed Pad	24-QFN (4x4)
LTC1778EGN-1#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/BCK-BST 16SSOP	Active	Transistor Driver	Step-Down, Step-Up/Step-Down	Positive or Negative	Buck, Buck-Boost	1	1	4 V ~ 36 V	-	-	Yes	Yes	-	Enable, Power Good, Soft Start	-40°C ~ 85°C (TA)	16-SSOP (0.154", 3.90mm Width)	16-SSOP
LTC3769EUF#PBF	Linear Technology/Analog Devices	IC Regulators Controller BOOST/SEPIC 24QFN	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, SEPIC	1	1	4.5 V ~ 60 V	105kHz ~ 760kHz	96%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	24-WFQFN Exposed Pad	24-QFN (4x4)
LTC3769EFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BOOST/SEPIC 20TSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, SEPIC	1	1	4.5 V ~ 60 V	105kHz ~ 760kHz	96%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	20-TSSOP (0.173", 4.40mm Width) Exposed Pad	20-TSSOP-EP
LTC3703EGN-5#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 16SSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.1 V ~ 15 V	100kHz ~ 600kHz	93%	Yes	Yes	-	Current Limit, Enable, Frequency Control, Soft Start	-40°C ~ 85°C (TA)	16-SSOP (0.154", 3.90mm Width)	16-SSOP
LT3800EFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 16TSSOP	Active	Transistor Driver	Step-Down	Positive or Negative	Buck	1	1	4 V ~ 60 V	200kHz	-	Yes	No	-	Enable	-40°C ~ 125°C (TJ)	16-TSSOP (0.173", 4.40mm Width) Exposed Pad	16-TSSOP-EP
LT3844EFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller MULT TOP 16TSSOP	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive or Negative	Buck, Boost, SEPIC	1	1	4 V ~ 60 V	300kHz	-	No	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	16-TSSOP (0.173", 4.40mm Width) Exposed Pad	16-TSSOP-EP
LTC3839EUH#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 32QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4.5 V ~ 38 V	200kHz ~ 2MHz	-	Yes	No	-	Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	32-WFQFN Exposed Pad	32-QFN (5x5)
LTC3862EFE-2#PBF	Linear Technology/Analog Devices	IC Regulators Controller BOOST/SEPIC 24TSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, SEPIC	2	2	5.5 V ~ 36 V	75kHz ~ 500kHz	96%	No	Yes	-	Enable, Frequency Control, Phase Control, Soft Start	-40°C ~ 85°C (TA)	24-TSSOP (0.173", 4.40mm Width) Exposed Pad	24-TSSOP-EP
LT3800IFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 16TSSOP	Active	Transistor Driver	Step-Down	Positive or Negative	Buck	1	1	4 V ~ 60 V	200kHz	-	Yes	No	-	Enable	-40°C ~ 125°C (TJ)	16-TSSOP (0.173", 4.40mm Width) Exposed Pad	16-TSSOP-EP
LTC3857EGN-1#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 28SSOP	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4 V ~ 38 V	105kHz ~ 835kHz, 350kHz ~ 535kHz	99.4%	Yes	No	-	Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	28-SSOP (0.154", 3.90mm Width)	28-SSOP
LTC3857EUH#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 32QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4 V ~ 38 V	105kHz ~ 835kHz, 350kHz ~ 535kHz	99.4%	Yes	No	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	32-WFQFN Exposed Pad	32-QFN (5x5)
LT3840IFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 28TSSOP	Active	Transistor Driver	Step-Down	Positive or Negative	Buck	1	1	2.5 V ~ 60 V	50kHz ~ 1MHz	99%	Yes	Yes	-	Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	28-TSSOP (0.173", 4.40mm Width) Exposed Pad	28-TSSOP-EP
LTC3789EUFD#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK-BOOST 28QFN	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	2	1	4 V ~ 38 V	200kHz ~ 640kHz	90%	Yes	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	28-WFQFN Exposed Pad	28-QFN (4x5)
LT8390EUFD#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/BOOST 28QFN	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	1	1	4 V ~ 60 V	190kHz ~ 630kHz	95%	Yes	Yes	-	Current Limit, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	28-WFQFN Exposed Pad	28-QFN (4x5)
LTC3895EFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 38TSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4 V ~ 140 V	50kHz ~ 900kHz	100%	Yes	No	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	38-TFSOP (0.173", 4.40mm Width), 31 Leads, Exposed Pad	38-TSSOP-EP
LT3790EFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK-BOOST 38TSSOP	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	2	2	4.7 V ~ 60 V	200kHz ~ 700kHz	-	Yes	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	38-TFSOP (0.173", 4.40mm Width) Exposed Pad	38-TSSOP-EP
LT8390IUFD#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/BOOST 28QFN	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	1	1	4 V ~ 60 V	190kHz ~ 630kHz	95%	Yes	Yes	-	Current Limit, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	28-WFQFN Exposed Pad	28-QFN (4x5)
LTC1625IS#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/BOOST 16SOIC	Active	Transistor Driver	Step-Down, Step-Up/Step-Down	Positive or Negative	Buck, Boost	1	1	3.9 V ~ 36 V	150kHz	99%	Yes	Yes	-	Enable, Soft Start	-40°C ~ 85°C (TA)	16-SOIC (0.154", 3.90mm Width)	16-SOIC
LT3790IFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK-BOOST 38TSSOP	Active	Transistor Driver	Step-Up/Step-Down	Positive	Buck-Boost	2	2	4.7 V ~ 60 V	200kHz ~ 700kHz	-	Yes	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	38-TFSOP (0.173", 4.40mm Width) Exposed Pad	38-TSSOP-EP
LT1339ISW#PBF	Linear Technology/Analog Devices	IC Regulators CTLR BST/FWRD Converter 20SOIC	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Forward Converter	1	1	Up to 20V	-	90%	No	Yes	-	Current Limit, Enable, Phase Control, Soft Start	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
LTC3890IUH#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/SEPIC 32QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4 V ~ 60 V	105kHz ~ 835kHz, 350kHz ~ 535kHz	99%	Yes	No	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	32-WFQFN Exposed Pad	32-QFN (5x5)
LTC3895IFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 38TSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4 V ~ 140 V	50kHz ~ 900kHz	100%	Yes	No	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start	-40°C ~ 125°C (TJ)	38-TFSOP (0.173", 4.40mm Width), 31 Leads, Exposed Pad	38-TSSOP-EP
LT1683IG#PBF	Linear Technology/Analog Devices	IC Regulators Controller PUSH-PULL 20SSOP	Active	Transistor Driver	Step-Up/Step-Down	Positive and Negative	Push-Pull	1	1	7.3 V ~ 20 V	250kHz	46%	No	Yes	-	Enable, Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	20-SSOP (0.209", 5.30mm Width)	20-SSOP
LTC3887EUJ#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK PMBUS 40QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4.5 V ~ 24 V	250kHz ~ 1MHz	-	Yes	Yes	I²C, PMBus	Enable, Frequency Control, Phase Control	-40°C ~ 125°C (TJ)	40-WFQFN Exposed Pad	40-QFN (6x6)
LTC3895HFE#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 38TSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4 V ~ 140 V	50kHz ~ 900kHz	100%	Yes	No	-	Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start	-40°C ~ 150°C (TJ)	38-TFSOP (0.173", 4.40mm Width), 31 Leads, Exposed Pad	38-TSSOP-EP
LTC3729EUH#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 32QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4 V ~ 36 V	260kHz ~ 550kHz	99.5%	Yes	No	-	Current Limit, Enable, Phase Control, Power Good, Soft Start	-40°C ~ 85°C (TA)	32-WFQFN Exposed Pad	32-QFN (5x5)

Manufacturers for PMIC - Voltage Regulators - DC DC Switching Controllers