Switching Voltage Regulators

Name	Manufacturer	Pricing(USD)	Quantity	Datasheet	Factory Lead Time	Lifecycle Status	Mount	Packaging	Published	Series	Pbfree Code	Part Status	Moisture Sensitivity Level (MSL)	Number of Terminations	ECCN Code	Max Operating Temperature	Min Operating Temperature	Operating Supply Voltage	Length	RoHS Status	Lead Free	Contact Plating	Radiation Hardening	Number of Pins	Additional Feature	Package / Case	Max Supply Voltage	REACH SVHC	Reach Compliance Code	Frequency	Height	Width	Thickness	Mounting Type	Weight	Operating Temperature	Technology	Operating Supply Current	Max Supply Current	Height Seated (Max)	HTS Code	Number of Functions	Nominal Supply Current	Max Frequency	Max Input Voltage	JESD-609 Code	Terminal Finish	Terminal Position	Terminal Form	Peak Reflow Temperature (Cel)	Supply Voltage	Time@Peak Reflow Temperature-Max (s)	Base Part Number	Pin Count	Output Type	Temperature Grade	Surface Mount	Terminal Pitch	JESD-30 Code	Supply Voltage-Min (Vsup)	Number of Channels	Subcategory	Qualification Status	Power Supplies	Supply Voltage-Max (Vsup)	Output Voltage	Output Current-Max	Number of Outputs	Output Current	Voltage - Output	Feature	Voltage - Output 1	Output Power	Current - Output 1	Max Output Current	Efficiency	Input Voltage-Nom	Analog IC - Other Type	Dropout Voltage	Current - Output	Min Input Voltage	Supply Current-Max (Isup)	Adjustable Threshold	Max Output Voltage	Quiescent Current	Logic Function	Rise Time	Fall Time (Typ)	Control Mode	Switching Frequency	Input Voltage (Min)	Input Voltage (Max)	Nominal Output Voltage	Reference Voltage	Voltage - Supply	Min Output Voltage	Power Supply Rejection Ratio (PSRR)	Control Technique	Switcher Configuration	Switching Frequency-Max	Topology	Max Duty Cycle	Frequency - Switching	Duty Cycle	Current - Output 2	Voltage - Output 2	w/Sequencer	Voltage/Current - Output 1	Voltage/Current - Output 2	w/LED Driver	Voltage - Output 3	Voltage/Current - Output 3	Current - Output 3	w/Supervisor
TPS54122RHLR	Texas Instruments	0.0000	RFQ Min: 1 Mult: 1		6 Weeks	ACTIVE (Last Updated: 2 days ago)	Surface Mount	Tape & Reel (TR)			yes	Active	2 (1 Year)	24	EAR99			5.5V	5.5mm	ROHS3 Compliant	Lead Free			24	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 3.6V, ALSO OPERATES AS LDO REGULATOR	24-VFQFN Exposed Pad					1mm	3.5mm	900μm	Surface Mount	54.601182mg	-40°C~125°C						1			5.5V	e4	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD		260			TPS54122					0.5mm				Switching Regulator or Controllers				3.6V		2	3A			3.6V		3A	3A		5V	SWITCHING REGULATOR			2.95V				360μA				CURRENT-MODE						2.95V~6V			PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		300kHz~2MHz		3A	3.6V	No	0.8V~3.6V 3A	0.8V~3.6V 3A
ISL6534CV-TR5229	Intersil (Renesas Electronics America)	18.7592	Add to Cart Min: 1 Mult: 1	download			Surface Mount		2000							70°C	0°C			Non-RoHS Compliant																																																3												20A																						87.5 %	1MHz
BD71815AGW-E2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		15 Weeks			Tape & Reel (TR)				Active	1 (Unlimited)	80	EAR99				4mm	ROHS3 Compliant						55-UFBGA, WLCSP						4mm		Surface Mount		-40°C~85°C				0.62mm	8542.39.00.01	1						BOTTOM	BALL		1.8V						YES	0.4mm	S-PBGA-B80	1.5V	15				3.4V			13										POWER SUPPLY MANAGEMENT CIRCUIT					YES												2.9V~5.5V						Step-Down (Buck) Synchronous (5), Linear (LDO) (8)		6MHz					Programmable 1A	Programmable 800mA	Yes		Programmable 500mA		No
BD71847AMWV-E2	ROHM Semiconductor	2.2998	Add to Cart Min: 1 Mult: 1	download	17 Weeks			Tape & Reel (TR)				Active	3 (168 Hours)	56					7mm	ROHS3 Compliant						56-VFQFN Exposed Pad						7mm		Surface Mount		-40°C~85°C TA				1mm		1						QUAD			5V						YES	0.4mm	S-XQCC-N56	2.7V	12				5.5V			12										POWER SUPPLY MANAGEMENT CIRCUIT					YES												2.75V~5.5V						Step-Down (Buck) (6), Linear (LDO) (6)		2MHz				Yes	0.7V~1.3V 3A	0.7V~1.3V 3A	No		0.7V~1.35V 3A
ISL6413IR-TK	Rochester Electronics, LLC	0.0000	RFQ Min: 1 Mult: 1	download				Tape & Reel (TR)			no	Obsolete	2 (1 Year)	24	EAR99				4mm	Non-RoHS Compliant						24-VFQFN Exposed Pad						4mm		Surface Mount		-40°C~85°C				1mm		1				e0	TIN LEAD	QUAD		240		30		24			YES	0.5mm	S-PQCC-N24								0.9A	3									3.3V	SWITCHING REGULATOR											CURRENT-MODE		3V				3V~3.6V			PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (2)		750kHz				No	1.8V 400mA	2.84V 300mA			2.85V 200mA
TL594IDE4		0.0000	RFQ Min: 1 Mult: 1	download												85 °C	-40 °C			RoHS Compliant	Contains Lead		No	16		D	40 V			300 kHz					141.690917 mg									300 kHz																						40 V		2	200 A																		200 ns	45 ns		300 kHz											Boost, Flyback	45 %		45 %
LT3507AHUHF#TRPBF	Linear Technology/Analog Devices	0.0000	RFQ Min: 1 Mult: 1	download	8 Weeks			Tape & Reel (TR)	2011			Active	1 (Unlimited)	38	EAR99				7mm	ROHS3 Compliant					ALSO OPERATES AS LDO REGULATOR	38-WFQFN Exposed Pad						5mm		Surface Mount		-40°C~150°C	BIPOLAR			0.8mm		1				e3	Matte Tin (Sn)	QUAD					LT3507	38			YES	0.5mm	R-PQCC-N38			Switching Regulator or Controllers					6A	4									12V	SWITCHING REGULATOR											CURRENT-MODE		4V	36V			4V~36V						Step-Down (Buck) (3), Linear (LDO) (1)		900kHz~1.1MHz				Yes	- 2.7A	- 1.8A	No		- 1.8A
TPS61130PWG4	Texas Instruments	0.0000	RFQ Min: 1 Mult: 1	download									1 (Unlimited)	16	EAR99	85°C	-40°C	6.5V	5mm	RoHS Compliant	Lead Free		No	16		TSSOP					1.15mm	4.4mm			62.99264mg							1			5.5V	e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	GULL WING	260				16	Adjustable	INDUSTRIAL	YES					Switching Regulator or Controllers						2		5.5V		5.5V			1.1A	90 %		BATTERY CHARGE CONTROLLER		300mA	1.8V			5.5V	40μA				CURRENT-MODE							2.5V		PULSE WIDTH MODULATION	BUCK-BOOST		Boost, SEPIC		500kHz			5.5V
ISL6402IV-TK	Intersil (Renesas Electronics America)	0.0000	RFQ Min: 1 Mult: 1	download			Surface Mount	Tape & Reel (TR)	2004				1 (Unlimited)	28	EAR99	85°C	-40°C		9.7mm	Non-RoHS Compliant	Contains Lead				ALSO HAS ADJUSTABLE OUTPUT DOWN TO 0.8V; ALSO HAS PWM CONTROL TECHNIQUE	TSSOP			not_compliant			4.4mm								1.2mm		1				e0	Tin/Lead (Sn/Pb)	DUAL	GULL WING	240		30		28		INDUSTRIAL		0.65mm	R-PDSO-G28			Switching Regulator or Controllers	Not Qualified				0.02A	3									12V	DUAL SWITCHING CONTROLLER											CURRENT-MODE		5.6V	24V						HYSTERETIC CURRENT MODE	PHASE-SHIFT				300kHz
LX1673-06CPW	Microsemi Corporation	0.0000	RFQ Min: 1 Mult: 1				Surface Mount		2005		yes	Obsolete	2 (1 Year)	20	EAR99			5V	6.5mm	RoHS Compliant	Contains Lead			20		20-TSSOP (0.173, 4.40mm Width)				690kHz		4.4mm		Surface Mount		-40°C~85°C				1.1mm		1				e3	Matte Tin (Sn)	DUAL	GULL WING	260		40	LX1673	20				0.65mm								5.5V	1A	2									5V												VOLTAGE-MODE						4.5V~5.5V			PULSE WIDTH MODULATION	PUSH-PULL		Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		600kHz				No	Controller
TPS610981DSER	Texas Instruments	0.0000	RFQ Min: 1 Mult: 1		8 Weeks	ACTIVE (Last Updated: 6 days ago)		Tape & Reel (TR)			yes	Active	1 (Unlimited)	6					1.5mm	ROHS3 Compliant	Lead Free			6		6-WFDFN					800μm	1.5mm	750μm	Surface Mount		-40°C~85°C TA						1				e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL					TPS610981	6			YES	0.5mm								3.3V		2									1.5V	BATTERY CHARGE CONTROLLER							300nA				CURRENT-MODE		0.7V	4.5V			0.7V~4.5V			PULSE WIDTH MODULATION		3000kHz	Step-Up (Boost) Synchronous (1), Linear (LDO) (1)						No	3.3V 350mA	3V 200mA
ADP2140ACPZ3318R7	Analog Devices Inc.	0.0000	RFQ Min: 1 Mult: 1	download	8 Weeks	PRODUCTION (Last Updated: 3 weeks ago)		Tape & Reel (TR)			no	Active	3 (168 Hours)	10	EAR99				3mm	ROHS3 Compliant	Contains Lead	Tin		10	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 5.5V	10-VFDFN Exposed Pad, CSP						3mm		Surface Mount		-40°C~125°C		30μA	220μA	0.85mm		1			5.5V	e3		DUAL		260		30	ADP2140	10	Fixed		YES	0.5mm				Switching Regulator or Controllers				3.3V		2	300mA			3.3V		600mA	300mA		3.6V	SWITCHING REGULATOR			2.3V			3.3V					CURRENT-MODE						1.65V~5.5V	1.2V	65dB	PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		3MHz		300mA	1.8V	Yes	3.3V 600mA	1.8V 300mA	No
LP3907QTLX-VXSS/NOPB	Texas Instruments	0.0000	RFQ Min: 1 Mult: 1		6 Weeks	ACTIVE (Last Updated: 5 days ago)	Surface Mount	Tape & Reel (TR)		Automotive, AEC-Q100	yes	Active	1 (Unlimited)	25	EAR99				3mm	ROHS3 Compliant	Lead Free			25	PFM TECHNIQUE ALSO USED	25-WFBGA					675μm	2.8mm	675μm	Surface Mount		-40°C~125°C						1				e1	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	BALL	260			LP3907					0.5mm				Switching Regulator or Controllers					1A	4			UVLO						3.6V	DUAL SWITCHING CONTROLLER							30μA				VOLTAGE-MODE		2.8V	5.5V			2.8V~5.5V			PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (2), Linear (LDO) (2)		2.1MHz				Yes	1.8V 1A	3.3V 600mA	No		2.8V 300mA
NCP1526MUTXG	Rochester Electronics, LLC	0.0000	RFQ Min: 1 Mult: 1	download				Tape & Reel (TR)			yes	Obsolete	3 (168 Hours)	10					3mm	ROHS3 Compliant						10-UFDFN Exposed Pad						3mm		Surface Mount		-40°C~85°C				0.55mm		1				e3	MATTE TIN	DUAL		260		40		10			YES	0.5mm	S-PDSO-N10				COMMERCIAL				1A	2									3.6V	SWITCHING REGULATOR											VOLTAGE-MODE						2.7V~5.2V			PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		3MHz				No	1.2V 400mA	2.8V 150mA
PV88090-05FQ2	Dialog Semiconductor GmbH	0.0000	RFQ Min: 1 Mult: 1	download	16 Weeks			Tape & Reel (TR)				Active	1 (Unlimited)													30-PowerUFQFN								Surface Mount		-40°C~85°C TA																																5																											4.75V~5.25V						Step-Down (Buck) Synchronous (3), Linear (LDO) (2)		1MHz				Yes	0.9V~1.3V 9.5A	1V~2.5V 2A	No		1.3V~3.4V 2A
NCV8855BMNR2G	ON Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download		CONSULT SALES OFFICE (Last Updated: 20 hours ago)	Surface Mount	Tape & Reel (TR)	2007		yes	Obsolete	1 (Unlimited)	40	EAR99				6mm	RoHS Compliant	Lead Free			40		40-VFQFN Exposed Pad						6mm		Surface Mount		-40°C~105°C				1mm		1			18V	e3	Tin (Sn)	QUAD			13.2V		NCV8855	40	Adjustable			0.5mm		9V	1	Power Management Circuits		13.2V				4							2A			POWER SUPPLY MANAGEMENT CIRCUIT	400mV				YES			AND								800mV	9V~18V						Step-Down (Buck) (2), Linear (LDO) (2)		170kHz		2.5A		Yes	Controller	Adjustable 2.5A	No
LTC3260IDE#PBF	Linear Technology/Analog Devices	0.0000	RFQ Min: 1 Mult: 1	download	10 Weeks			Tube	2012			Active	1 (Unlimited)	14	EAR99				4mm	ROHS3 Compliant						14-WFDFN Exposed Pad						3mm		Surface Mount		-40°C~125°C TJ	CMOS			0.8mm		1				e3	Matte Tin (Sn)	DUAL					LTC3260	14			YES	0.5mm				Other Analog ICs				-32V		1									12V	SWITCHED CAPACITOR REGULATOR													4.5V	32V			4.5V~32V				INVERTER		Charge Pump		50kHz~500kHz				No	Adj 100mA
LT3668IMSE#PBF	Linear Technology/Analog Devices	8.0284	Add to Cart Min: 1 Mult: 1	download	8 Weeks			Tube	2011			Active	1 (Unlimited)							ROHS3 Compliant						16-TFSOP (0.118, 3.00mm Width) Exposed Pad								Surface Mount		-40°C~125°C																	LT3668	16														3																											1.6V~40V						Step-Down (Buck) (1), Linear (LDO) (2)		250kHz~2.2MHz				No	1.2V~39.4V 400mA	1.1V~10V 200mA			1.1V~10V 200mA
ADP2140ACPZ1528R7	Analog Devices Inc.	0.0000	RFQ Min: 1 Mult: 1	download	7 Weeks	PRODUCTION (Last Updated: 3 weeks ago)		Digi-Reel®			no	Discontinued	3 (168 Hours)	10	EAR99			5.5V	3mm	ROHS3 Compliant	Contains Lead	Tin		10	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 5.5V	10-VFDFN Exposed Pad, CSP		No SVHC				3mm		Surface Mount		-40°C~125°C		30μA	220μA	0.85mm		1	30μA		5.5V	e3		DUAL		260		30	ADP2140	10	Fixed		YES	0.5mm				Switching Regulator or Controllers				1.5V		2	600mA			1.5V		600mA	300mA		3.6V	SWITCHING REGULATOR			2.3V			3.3V					CURRENT-MODE						1.65V~5.5V	1.2V	65dB	PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		3MHz		300mA	2.8V	Yes	1.5V 600mA	2.8V 300mA	No
MAX15015BATX+	Maxim Integrated	0.0000	RFQ Min: 1 Mult: 1	download			Surface Mount	Tube	2012		yes	Obsolete	1 (Unlimited)	36	EAR99			40V	6mm	ROHS3 Compliant				36	IT CAN ALSO OPERATE WITH PULSE FREQUENCY MODULATION	36-WFQFN Exposed Pad					730μm	6mm		Surface Mount		-40°C~125°C	BICMOS					1			40V	e3	Matte Tin (Sn)	QUAD		260			MAX15015	36	Adjustable			0.5mm				Switching Regulator or Controllers				32V		2	1A			32V			1A		14V	SWITCHING REGULATOR			4.5V			32V					VOLTAGE-MODE						4.5V~40V	1.26V		PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		500kHz			40V	No	1.26V~32V 1A	5V~40V 50mA
ADP5024ACPZ-2-R7	Analog Devices Inc.	0.0000	RFQ Min: 1 Mult: 1	download	8 Weeks	PRODUCTION (Last Updated: 1 month ago)		Tape & Reel (TR)			no	Active	1 (Unlimited)	24	EAR99			5.5V		ROHS3 Compliant	Contains Lead			24		24-WFQFN Exposed Pad, CSP		No SVHC						Surface Mount		-40°C~125°C	DMOS								5.5V			QUAD					ADP5024	24	Adjustable		YES	0.5mm				Switching Regulator or Controllers				5.2V		3	300mA			1.2V		1.2A	1.2kA			DUAL SWITCHING CONTROLLER			2.3V			4.75V					CURRENT-MODE						1.7V~5.5V	800mV					Step-Down (Buck) Synchronous (2), Linear (LDO) (1)		3MHz		1.2A	3.3V	No	0.8V~3.8V 1.2A	0.8V~3.8V 1.2A		2.8V	0.8V~5.2V 300mA	300mA
MAX1633CAI	Maxim Integrated	0.0000	RFQ Min: 1 Mult: 1	download			Surface Mount	Tube	2005		no	Obsolete	1 (Unlimited)	28	EAR99			30V	10.2mm	Non-RoHS Compliant	Contains Lead			28		28-SSOP (0.209, 5.30mm Width)						5.29mm		Surface Mount		0°C~70°C	BICMOS			1.99mm		1				e0	Tin/Lead (Sn85Pb15)	DUAL	GULL WING	245			MAX1633	28				0.65mm								12V		3	4A				762mW				15V					0.05mA							CURRENT-MODE		4.2V				4.2V~30V			PULSE WIDTH MODULATION	PUSH-PULL		Step-Down (Buck) (2), Linear (LDO) (1)		200kHz~300kHz				Yes	Controller		No	12V	12V 120mA
ISL9305IRTHBFNCZ-T	Renesas Electronics America Inc.	5.2897	Add to Cart Min: 1 Mult: 1	download	17 Weeks			Tape & Reel (TR)				Active	3 (168 Hours)	16	EAR99					ROHS3 Compliant						16-WQFN Exposed Pad								Surface Mount		-40°C~85°C				0.8mm		1				e3	Matte Tin (Sn) - annealed	QUAD			3.6V		ISL9305	16			YES	0.65mm	S-PQCC-N16	2.5V	4				5.5V			4										POWER SUPPLY SUPPORT CIRCUIT					YES												1.5V~5.5V						Step-Down (Buck) (2), Linear (LDO) (2)		3MHz				No	1.5V 1.5A	2.5V 1.5A			3.3V 300mA
TPS610981DSET	Texas Instruments	0.0000	RFQ Min: 1 Mult: 1		6 Weeks	ACTIVE (Last Updated: 6 days ago)	Surface Mount	Tape & Reel (TR)			yes	Active	1 (Unlimited)	6	EAR99				1.5mm	ROHS3 Compliant	Lead Free			6		6-WFDFN		No SVHC			800μm	1.5mm	750μm	Surface Mount		-40°C~85°C TA						1			4.5V	e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL					TPS610981	6				0.5mm								3.3V		2	500mA			3.3V		350mA			1.5V	BATTERY CHARGE CONTROLLER			700mV				300nA				CURRENT-MODE				3.3V		0.7V~4.5V			PULSE WIDTH MODULATION		3000kHz	Step-Up (Boost) Synchronous (1), Linear (LDO) (1)				200mA	3V	No	3.3V 350mA	3V 200mA
ISL6549CA	Rochester Electronics, LLC	0.0000	RFQ Min: 1 Mult: 1	download				Tube			no	Obsolete	1 (Unlimited)	16					4.89mm	Non-RoHS Compliant						16-SSOP (0.154, 3.90mm Width)						3.9mm		Surface Mount		0°C~70°C				1.73mm		1						DUAL	GULL WING	240				16			YES	0.635mm	R-PDSO-G16									2									12V												VOLTAGE-MODE		10.8V				4.75V~5.25V			PULSE WIDTH MODULATION	PUSH-PULL		Step-Down (Buck) Synchronous (1), Linear (LDO) (1)		150kHz~1MHz				No	Controller
ISL95901IRZ	Intersil (Renesas Electronics America)	0.0000	RFQ Min: 1 Mult: 1	download			Surface Mount		1999						EAR99	85°C	-40°C			RoHS Compliant						QFN																												46														4				16V						SWITCHING REGULATOR																									1MHz			16V					3.32V
TC1303A-ZP0EMFTR	Microchip Technology	0.0000	RFQ Min: 1 Mult: 1	download	12 Weeks		Surface Mount	Tape & Reel (TR)	2008		yes	Active	1 (Unlimited)	10	EAR99				3mm	Non-RoHS Compliant	Contains Lead			10	AUTOMATIC PWM TO PFM MODE	10-VFDFN Exposed Pad				2MHz	880μm			Surface Mount		-40°C~85°C						1				e3	Matte Tin (Sn)	DUAL		260		40	TC1303A	10				0.5mm				Power Management Circuits		3/5V				2	500mA					500mA			3.6V	SWITCHING REGULATOR											CURRENT-MODE			5.5V			2.7V~5.5V			PULSE WIDTH MODULATION			Step-Down (Buck) Synchronous (1), Linear (LDO) (1)					1.8V	Yes	Adj 500mA	1.8V 300mA	No
ISL9305IRTHWBNLZ-T	Intersil (Renesas Electronics America)	0.0000	RFQ Min: 1 Mult: 1	download	5 Weeks		Surface Mount		2004			Active	3 (168 Hours)	16	EAR99	85°C	-40°C			RoHS Compliant				16																0.8mm		1				e3	Matte Tin (Sn) - annealed	QUAD	NO LEAD	260	3.3V	NOT SPECIFIED		16		INDUSTRIAL		0.65mm		2.5V	1	Power Management Circuits	Not Qualified	3/5V	5.5V			4				1.2V						POWER SUPPLY SUPPORT CIRCUIT				7.5mA	YES		50μA																		3MHz			1.5V					3.3V
ISL9307IRTAANWZ-T	Intersil (Renesas Electronics America)	0.0000	RFQ Min: 1 Mult: 1	download	6 Weeks		Surface Mount		2011			Active	3 (168 Hours)	16	EAR99	85°C	-40°C			RoHS Compliant				16								4mm														e3	Matte Tin (Sn) - annealed	QUAD	NO LEAD					16		INDUSTRIAL		0.635mm				Power Management Circuits	Not Qualified	3/5V				4				5.5V						SWITCHING REGULATOR							50μA																		3MHz			5.5V					3.3V
SG3524NSRG4		0.0000	RFQ Min: 1 Mult: 1	download				Tape & Reel (TR)								70 °C	0 °C	40 V		RoHS Compliant	Contains Lead		No	16		SOIC				722 kHz					200.686274 mg									722 kHz																						5.4 V		2	100 mA																		200 ns	100 ns		722 kHz											Flyback, Push-Pull, Boost	45 %		45 %