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LM5145-Q1 Synchronous Buck Controllers

Texas Instruments LM5145-Q1 Synchronous Buck Controllers are designed to regulate from a high input voltage source or an input rail subject to high voltage transients. This design minimizes the need for external surge suppression components. A high-side switch minimum on-time of 40ns facilitates large step-down ratios. This feature enables the direct step-down conversion from a 48V nominal input to low-voltage rails for reduced system complexity and solution cost. The Texas Instruments LM5145-Q1 continues to operate during input voltage dips as low as 6V, at nearly 100% duty cycle if needed. This option makes it well suited for high-performance industrial control, robotic, datacom, and RF power amplifier applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.	Topology	Number of Outputs	Switching Frequency	Duty Cycle - Max	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Packaging
Switching Controllers 75V Synchronous Buck Controller With Wid A 595-LM5145RGYR LM5145RGYT Texas Instruments 1: ₩9,360 1,789In Stock 1,750Expected 4/1/2027	Mfr. Part # LM5145RGYT Mouser Part # 595-LM5145RGYT	Texas Instruments	Switching Controllers 75V Synchronous Buck Controller With Wid A 595-LM5145RGYR Learn More about Texas Instruments ti lm5145 q1 controllers	Datasheet	1,789In Stock 1,750Expected 4/1/2027	Cut Tape ₩9,360 ₩7,129.2 ₩6,567.6 ₩5,959.2 Reel ₩5,662.8 View ₩5,491.2 ₩5,413.2 ₩5,350.8 MouseReel Available	Min.: 1 Mult.: 1 : 250	Buck	1 Output	100 kHz to 1 MHz	99 %	800 mV to 60 V	30 A	- 40 C	+ 125 C	SMD/SMT	VQFN-20	Reel, Cut Tape, MouseReel
Switching Controllers Automotive 75-V sync hronous buck DC/DC LM5145QRGYRQ1 Texas Instruments 1: ₩8,221.2 45In Stock 3,000Expected 4/26/2027	Mfr. Part # LM5145QRGYRQ1 Mouser Part # 595-LM5145QRGYRQ1	Texas Instruments	Switching Controllers Automotive 75-V sync hronous buck DC/DC Learn More about Texas Instruments ti lm5145 q1 controllers	Datasheet	45In Stock 3,000Expected 4/26/2027	Cut Tape ₩8,221.2 ₩6,255.6 ₩5,772 ₩5,226 View Reel ₩4,508.4 ₩4,992 ₩4,695.6 ₩4,508.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	1 Output	100 kHz to 1 MHz	99 %	800 mV to 60 V	30 A	- 40 C	+ 150 C	SMD/SMT	VQFN-20	Reel, Cut Tape, MouseReel
Switching Controllers 75V Synchronous Buck Controller With Wid A 595-LM5145RGYT LM5145RGYR Texas Instruments 1: ₩5,647.2 20,797On Order	Mfr. Part # LM5145RGYR Mouser Part # 595-LM5145RGYR	Texas Instruments	Switching Controllers 75V Synchronous Buck Controller With Wid A 595-LM5145RGYT Learn More about Texas Instruments ti lm5145 q1 controllers	Datasheet	20,797On Order On Order Ship Dates Mfr. #: LM5145RGYR Stock: 0 On Order: 8,797 Expected 2/5/2027 12,000 Expected 2/11/2027 Factory Lead-Time: 20 Weeks	Cut Tape ₩5,647.2 ₩4,258.8 ₩3,915.6 ₩3,525.6 View Reel ₩3,042 ₩3,338.4 ₩3,307.2 ₩3,042 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	1 Output	100 kHz to 1 MHz	99 %	800 mV to 60 V	30 A	- 40 C	+ 125 C	SMD/SMT	VQFN-20	Reel, Cut Tape, MouseReel

LM5145-Q1 Synchronous Buck Controllers

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