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LMR514x0/LMR514x0-Q1 Step-Down DC/DC Converters

Texas Instruments LMR514x0/LMR514x0-Q1 Synchronous Step-Down DC/DC Converters are wide-V_IN, easy-to-use synchronous buck converters capable of driving up to 4A or 5A load current. With a wide input range of 4V to 36V, the device is suitable for various industrial applications for power conditioning from an unregulated source. The LMR514x0/LMR514x0-Q1 features an adjustable switching frequency from 200kHz to 1.1MHz with an external resistor, providing the flexibility to optimize efficiency or external component size. The device has a PFM version to realize high efficiency at light load and an FPWM version to achieve constant frequency and small output voltage ripple over the full load range. Soft-start and compensation circuits are implemented internally, which allows the device to be used with minimum external components.

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Larawan	# ng Piyesa	Mfr.	Paglalarawan	Datasheet	Availability	Pagpepresyo (PHP) I-filter ang mga resulta sa talahanayan ayon sa unit price batay sa iyong dami.	Dami	Isitilo ng Mounting	Package / Case	Topology	Output Voltage	Current ng Output	Dami ng Output	Quiescent Current	Frequency ng Paglipat	Minimum na Operating Temperature	Maximum na Operating Temperature	Series	Packaging
Switching Voltage Regulators Automotive 36V 4A Sy nchronous buck con LMR51440FSQDRRRQ1 Texas Instruments 1: ₱172.39 5,622May Stock	Mfr. # ng Piyesa LMR51440FSQDRRRQ1 # ng Piyesa ng Mouser 595-LMR51440FSQDRRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36V 4A Sy nchronous buck con Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	5,622May Stock	Cut Tape ₱172.39 ₱128.22 ₱117.18 ₱105.52 ₱100.00 Reel ₱84.05	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	800 mV to 28 V	4 A	1 Output	25 uA	200 kHz to 1 MHz	- 40 C	+ 125 C	LMR51440	Reel, Cut Tape
Switching Voltage Regulators Automotive 36V 4A Sy nchronous buck con LMR51440SQDRRRQ1 Texas Instruments 1: ₱172.39 5,987May Stock	Mfr. # ng Piyesa LMR51440SQDRRRQ1 # ng Piyesa ng Mouser 595-LMR51440SQDRRRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36V 4A Sy nchronous buck con Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	5,987May Stock	Cut Tape ₱172.39 ₱128.22 ₱117.18 ₱105.52 Reel ₱100.00 Tingnan ₱100.00 ₱90.18	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	800 mV to 28 V	4 A	1 Output	25 uA	200 kHz to 1 MHz	- 40 C	+ 125 C	LMR51440	Reel, Cut Tape
Switching Voltage Regulators Automotive 36V 6A Sy nchronous buck con LMR51450FSQDRRRQ1 Texas Instruments 1: ₱177.30 3,119May Stock	Mfr. # ng Piyesa LMR51450FSQDRRRQ1 # ng Piyesa ng Mouser 595-LMR51450FSQDRRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36V 6A Sy nchronous buck con Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	3,119May Stock	Cut Tape ₱177.30 ₱132.52 ₱120.86 ₱108.59 ₱103.07 Reel ₱87.12	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	800 mV to 38 V	5 A	1 Output	25 uA	200 kHz to 1 MHz	- 40 C	+ 125 C	LMR51450	Reel, Cut Tape
Switching Voltage Regulators 36-V 5-A synchronou s buck converter 12- LMR51450FNDRRR Texas Instruments 1: ₱139.88 122May Stock 27,000Inoorder	Mfr. # ng Piyesa LMR51450FNDRRR # ng Piyesa ng Mouser 595-LMR51450FNDRRR	Texas Instruments	Switching Voltage Regulators 36-V 5-A synchronou s buck converter 12- Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	122May Stock 27,000Inoorder Sa Mga Petsa ng Pagpapadala ng Order Mfr. #: LMR51450FNDRRR Stock: 122 Maaaring Ipadala Agad Inoorder: 12,000 Inaasahan 5/31/2027 15,000 Inaasahan 7/5/2027 Lead-Time ng Pabrika: 26 (na) Linggo	Cut Tape ₱139.88 ₱103.68 ₱94.48 ₱84.66 Tingnan Reel ₱70.55 ₱79.76 ₱77.30 ₱70.55 Available ang MouseReel	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	28 V	5 A	1 Output	25 uA	1.1 MHz	- 40 C	+ 150 C	LMR51450	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36V 6A Sy nchronous buck con LMR51450SQDRRRQ1 Texas Instruments 1: ₱177.30 60May Stock 9,000Inoorder	Mfr. # ng Piyesa LMR51450SQDRRRQ1 # ng Piyesa ng Mouser 595-LMR51450SQDRRRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36V 6A Sy nchronous buck con Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	60May Stock 9,000Inoorder Sa Mga Petsa ng Pagpapadala ng Order Mfr. #: LMR51450SQDRRRQ1 Stock: 60 Maaaring Ipadala Agad Inoorder: 6,000 Inaasahan 11/23/2026 3,000 Inaasahan 11/25/2026 Lead-Time ng Pabrika: 26 (na) Linggo	Cut Tape ₱177.30 ₱132.52 ₱120.86 ₱108.59 Tingnan Reel ₱90.18 ₱102.45 ₱100.00 ₱95.09 ₱90.18	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	800 mV to 38 V	5 A	1 Output	25 uA	200 kHz to 1 MHz	- 40 C	+ 125 C	LMR51450	Reel, Cut Tape
Switching Voltage Regulators 36-V 5-A synchronou s buck converter 12- LMR51450SDRRR Texas Instruments 1: ₱139.88 38,947Inoorder	Mfr. # ng Piyesa LMR51450SDRRR # ng Piyesa ng Mouser 595-LMR51450SDRRR	Texas Instruments	Switching Voltage Regulators 36-V 5-A synchronou s buck converter 12- Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	38,947Inoorder Sa Mga Petsa ng Pagpapadala ng Order Mfr. #: LMR51450SDRRR Stock: 0 Inoorder: 23,947 Inaasahan 4/29/2027 15,000 Inaasahan 5/20/2027 Lead-Time ng Pabrika: 26 (na) Linggo	Cut Tape ₱139.88 ₱103.68 ₱94.48 ₱84.66 Reel ₱69.33 Tingnan ₱79.76 ₱77.30 ₱76.69 ₱68.10 Available ang MouseReel	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	28 V	5 A	1 Output	25 uA	1.1 MHz	- 40 C	+ 150 C	LMR51450	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 36-V 4-A synchronou s buck converter 12- LMR51440SDRRR Texas Instruments 1: ₱139.26 10May Stock 5,950Inaasahan 6/14/2027	Mfr. # ng Piyesa LMR51440SDRRR # ng Piyesa ng Mouser 595-LMR51440SDRRR	Texas Instruments	Switching Voltage Regulators 36-V 4-A synchronou s buck converter 12- Alamin Pa ang tungkol sa Texas Instruments ti lmr514x0 step down dc dc converters	Datasheet	10May Stock 5,950Inaasahan 6/14/2027	Cut Tape ₱139.26 ₱103.07 ₱93.87 ₱84.05 Reel ₱65.64 Tingnan ₱79.14 ₱76.69 ₱73.01 ₱64.42 Available ang MouseReel	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WSON-12	Buck	28 V	4 A	1 Output	25 uA	1.1 MHz	- 40 C	+ 150 C	LMR51440	Reel, Cut Tape, MouseReel