Voltage Regulators - Switching Regulators

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LMS3635-Q1 & LMS3655/-Q1 Step-Down Converters

Texas Instruments LMS3635-Q1 and LMS3655/LMS3655-Q1 36V Synchronous Buck Step-Down Converters are optimized for high-performance applications, providing an output voltage of 3.3V, 5V, or an adjustable output of 1V to 15V. Seamless transition between PWM and PFM modes, along with a low quiescent current, ensures high efficiency and superior transient responses at all loads. Advanced high-speed circuitry allows the LMS3655-Q1 to regulate an input of 24V to an output of 3.3V at a fixed frequency of 400kHz while also enabling a continuous load current of 5.5A. An innovative frequency foldback architecture allows this device to regulate a 3.3V output from an input voltage of only 3.5V. The input voltage can range up to 36V, with transient tolerance up to 42V, easing input surge protection design. The LMS3635-Q1 and LMS3655-Q1 devices are AEC-Q100 qualified for automotive applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Series	Packaging
Switching Voltage Regulators 5.5A 36V Synchronou s 400kHz Step-Down A A 595-LMS3655AMRNLR LMS3655AMRNLT Texas Instruments 1: $8.37 739In Stock	Mfr. Part # LMS3655AMRNLT Mouser Part # 595-LMS3655AMRNLT	Texas Instruments	Switching Voltage Regulators 5.5A 36V Synchronou s 400kHz Step-Down A A 595-LMS3655AMRNLR Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	739In Stock	Cut Tape $8.37 $6.49 $6.02 $5.50 Reel $4.69 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output	32 uA	400 kHz	- 40 C	+ 125 C		LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5A 36VSynchr400kHz Step-Down Converter A 595-LMS3655MMRNLT LMS3655MMRNLR Texas Instruments 1: $7.00 2,751In Stock	Mfr. Part # LMS3655MMRNLR Mouser Part # 595-LMS3655MMRNLR	Texas Instruments	Switching Voltage Regulators 5.5A 36VSynchr400kHz Step-Down Converter A 595-LMS3655MMRNLT Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	2,751In Stock	Cut Tape $7.00 $5.37 $4.96 $4.51 View Reel $4.11 $4.30 $4.17 $4.12 $4.11 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 125 C		LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655NQRNLRQ1 LMS3655NQRNLTQ1 Texas Instruments 1: $9.50 169In Stock	Mfr. Part # LMS3655NQRNLTQ1 Mouser Part # 595-LMS3655NQRNLTQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655NQRNLRQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	169In Stock	Cut Tape $9.50 $7.40 $6.87 $6.29 Reel $5.96 View $5.75 $5.61 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	3.3 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS36555QRNLRQ1 LMS36555QRNLTQ1 Texas Instruments 1: $9.50 150In Stock	Mfr. Part # LMS36555QRNLTQ1 Mouser Part # 595-LMS36555QRNLTQ1	Texas Instruments	Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS36555QRNLRQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	150In Stock	Cut Tape $9.50 $7.39 $6.86 $6.29 Reel $5.96 View $5.84 $5.70 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	5 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5A 36VSynchr400kHz Step-Down Converter A 595-LMS3655MMRNLR LMS3655MMRNLT Texas Instruments 1: $8.37 632In Stock	Mfr. Part # LMS3655MMRNLT Mouser Part # 595-LMS3655MMRNLT	Texas Instruments	Switching Voltage Regulators 5.5A 36VSynchr400kHz Step-Down Converter A 595-LMS3655MMRNLR Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	632In Stock	Cut Tape $8.37 $6.49 $6.02 $5.50 Reel $5.36 View $5.13 $4.85 $4.70 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 125 C		LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS3655MQRNLRQ1 LMS3655MQRNLTQ1 Texas Instruments 1: $9.50 262In Stock	Mfr. Part # LMS3655MQRNLTQ1 Mouser Part # 595-LMS3655MQRNLTQ1	Texas Instruments	Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS3655MQRNLRQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	262In Stock	Cut Tape $9.50 $7.40 $6.87 $6.33 Reel $6.10 View $5.95 $5.81 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655AQRNLRQ1 LMS3655AQRNLTQ1 Texas Instruments 1: $9.50 158In Stock	Mfr. Part # LMS3655AQRNLTQ1 Mouser Part # 595-LMS3655AQRNLTQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655AQRNLRQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	158In Stock	Cut Tape $9.50 $7.39 $6.86 $6.28 Reel $5.96 View $5.84 $5.70 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655LQRNLRQ1 LMS3655LQRNLTQ1 Texas Instruments 1: $9.51 27In Stock	Mfr. Part # LMS3655LQRNLTQ1 Mouser Part # 595-LMS3655LQRNLTQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655LQRNLRQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	27In Stock	Cut Tape $9.51 $7.40 $6.87 $6.74 Reel $5.72 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VQFN-HR-22	Buck	5 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS36553QRNLTQ1 LMS36553QRNLRQ1 Texas Instruments 3,000: $4.85 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS36553QRNLRQ1 Mouser Part # 595-LMS36553QRNLRQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS36553QRNLTQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.85	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V	5.5 A	1 Output		400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS36553QRNLRQ1 LMS36553QRNLTQ1 Texas Instruments 250: $5.78 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS36553QRNLTQ1 Mouser Part # 595-LMS36553QRNLTQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS36553QRNLRQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $5.78 Quote Quote	Min.: 250 Mult.: 250 : 250	SMD/SMT	VQFN-HR-22	Buck	3.3 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel
Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS36555QRNLTQ1 LMS36555QRNLRQ1 Texas Instruments 3,000: $4.85 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS36555QRNLRQ1 Mouser Part # 595-LMS36555QRNLRQ1	Texas Instruments	Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS36555QRNLTQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.85	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	5 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel
Switching Voltage Regulators 5.5A 36V Synchronou s 400kHz Step-Down A A 595-LMS3655AMRNLT LMS3655AMRNLR Texas Instruments 3,000: $4.19 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655AMRNLR Mouser Part # 595-LMS3655AMRNLR	Texas Instruments	Switching Voltage Regulators 5.5A 36V Synchronou s 400kHz Step-Down A A 595-LMS3655AMRNLT Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.19	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output		400 kHz	- 40 C	+ 125 C		LMS3655	Reel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655AQRNLTQ1 LMS3655AQRNLRQ1 Texas Instruments 3,000: $4.90 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655AQRNLRQ1 Mouser Part # 595-LMS3655AQRNLRQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655AQRNLTQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.90	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output		400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655LQRNLTQ1 LMS3655LQRNLRQ1 Texas Instruments 3,000: $4.90 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655LQRNLRQ1 Mouser Part # 595-LMS3655LQRNLRQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655LQRNLTQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.90	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	5 V	5.5 A	1 Output		400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel
Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS3655MQRNLTQ1 LMS3655MQRNLRQ1 Texas Instruments 3,000: $4.90 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655MQRNLRQ1 Mouser Part # 595-LMS3655MQRNLRQ1	Texas Instruments	Switching Voltage Regulators 3.5A /5.5A 36V Sync h 400kHz A 595-LMS36 A 595-LMS3655MQRNLTQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.90	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V to 6 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d LMS3655MQURNLRQ1 Texas Instruments 3,000: $4.64 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655MQURNLRQ1 Mouser Part # 595-LMS3655MQURNLRQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.64	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	Adjustable	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 125 C		LMS3655	Reel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655NQRNLTQ1 LMS3655NQRNLRQ1 Texas Instruments 3,000: $4.90 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655NQRNLRQ1 Mouser Part # 595-LMS3655NQRNLRQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d A A 595-LMS3655NQRNLTQ1 Learn More about Texas Instruments ti lms3655 buck converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.90 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V	5.5 A	1 Output		400 kHz	- 40 C	+ 150 C	AEC-Q100	LMS3655	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d LMS3655NQURNLRQ1 Texas Instruments 3,000: $4.69 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # LMS3655NQURNLRQ1 Mouser Part # 595-LMS3655NQURNLRQ1	Texas Instruments	Switching Voltage Regulators 5.5-A 36-V synchron ous 400-kHz step-d	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.69 Quote Quote	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VQFN-HR-22	Buck	3.3 V	5.5 A	1 Output	7.5 uA	400 kHz	- 40 C	+ 125 C		LMS3655	Reel

LMS3635-Q1 & LMS3655/-Q1 Step-Down Converters

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