Voltage Regulators - Switching Regulators

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LM5165 Synchronous Buck Converters

Texas Instruments LM5165 Synchronous Buck Converters are a compact, easy-to-use, 3V to 65V, ultra-low IQ synchronous buck converter with high efficiency over wide input voltage and load current ranges. With integrated high-side and low-side power MOSFETs, up to 150mA of output current can be delivered at fixed output voltages of 3.3V or 5V, or an adjustable output. The converters are designed to simplify implementation while providing options to optimise the performance of the target application. Pulse Frequency Modulation (PFM) mode is selected for optimal light-load efficiency or Constant On-Time (COT) control for nearly constant operating frequency. Both control schemes do not require loop compensation, while providing excellent line and load transient response and short PWM on-time for large step-down conversion ratios.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165XDRCR LM5165XDRCT Texas Instruments 1: $6.46 7,273In Stock	Mfr. Part No. LM5165XDRCT Mouser Part No 595-LM5165XDRCT	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165XDRCR Learn More about Texas Instruments ti lm5165 converter	Datasheet	7,273In Stock	Cut Tape $6.46 $4.91 $4.53 $4.11 Reel $3.56 View $3.51 $3.39 $3.35 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSON-EP-10	Buck	5 V	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165XQD A 595-LM5165XQDRCRQ1 LM5165XQDRCTQ1 Texas Instruments 1: $7.14 8,511In Stock	Mfr. Part No. LM5165XQDRCTQ1 Mouser Part No 595-LM5165XQDRCTQ1	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165XQD A 595-LM5165XQDRCRQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	8,511In Stock	Cut Tape $7.14 $5.44 $5.02 $4.54 Reel $3.97 View $3.92 $3.89 $3.86 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSON-EP-10	Buck	5 V	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu LM5165XQDGSRQ1 Texas Instruments 1: $6.22 2,033In Stock	Mfr. Part No. LM5165XQDGSRQ1 Mouser Part No 595-LM5165XQDGSRQ1	Texas Instruments	Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu Learn More about Texas Instruments ti lm5165 converter	Datasheet	2,033In Stock	Cut Tape $6.22 $4.72 $4.34 $3.93 View Reel $3.36 $3.74 $3.73 $3.51 $3.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VSSOP-10	Buck	5 V	150 mA	1 Output	10.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu LM5165QDGSRQ1 Texas Instruments 1: $6.34 2,228In Stock	Mfr. Part No. LM5165QDGSRQ1 Mouser Part No 595-LM5165QDGSRQ1	Texas Instruments	Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu Learn More about Texas Instruments ti lm5165 converter	Datasheet	2,228In Stock	Cut Tape $6.34 $4.77 $4.39 $3.96 View Reel $3.41 $3.77 $3.74 $3.51 $3.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VSSOP-10							- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165QDR A 595-LM5165QDRCRQ1 LM5165QDRCTQ1 Texas Instruments 1: $7.41 496In Stock	Mfr. Part No. LM5165QDRCTQ1 Mouser Part No 595-LM5165QDRCTQ1	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165QDR A 595-LM5165QDRCRQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	496In Stock	Cut Tape $7.41 $5.66 $5.21 $4.73 Reel $4.49 View $4.31 $4.23 $4.18 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSON-EP-10	Buck	Adjustable	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165XQD A 595-LM5165XQDRCTQ1 LM5165XQDRCRQ1 Texas Instruments 1: $6.31 903In Stock	Mfr. Part No. LM5165XQDRCRQ1 Mouser Part No 595-LM5165XQDRCRQ1	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165XQD A 595-LM5165XQDRCTQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	903In Stock	Cut Tape $6.31 $5.36 $3.96 Reel $3.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VSON-EP-10	Buck	5 V	150 mA	1 Output		600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165YDRCT LM5165YDRCR Texas Instruments 1: $5.51 2,313In Stock	Mfr. Part No. LM5165YDRCR Mouser Part No 595-LM5165YDRCR	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165YDRCT Learn More about Texas Instruments ti lm5165 converter	Datasheet	2,313In Stock	Cut Tape $5.51 $4.18 $3.84 $3.47 View Reel $2.98 $3.29 $3.26 $3.16 $2.98 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VSON-EP-10	Buck	3.3 V	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165DRCR LM5165DRCT Texas Instruments 1: $6.61 11In Stock 4,750On Order	Mfr. Part No. LM5165DRCT Mouser Part No 595-LM5165DRCT	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165DRCR Learn More about Texas Instruments ti lm5165 converter	Datasheet	11In Stock 4,750On Order On Order Ship Dates Mfr. No: LM5165DRCT Stock: 11 Can Dispatch Immediately On Order: 750 Expected 25/3/2027 4,000 Expected 7/5/2027 Factory Lead Time: 12 Weeks	Cut Tape $6.61 $4.98 $4.57 $4.13 Reel $3.92 View $3.89 $3.66 $3.58 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSON-EP-10	Buck	Adjustable	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165XDRCT LM5165XDRCR Texas Instruments 1: $5.51 618In Stock 3,000Expected 27/10/2026	Mfr. Part No. LM5165XDRCR Mouser Part No 595-LM5165XDRCR	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165XDRCT Learn More about Texas Instruments ti lm5165 converter	Datasheet	618In Stock 3,000Expected 27/10/2026	Cut Tape $5.51 $4.18 $3.84 $3.47 View Reel $2.98 $3.29 $3.26 $3.16 $2.98 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VSON-EP-10	Buck	5 V	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165YDRCR LM5165YDRCT Texas Instruments 1: $6.46 338In Stock	Mfr. Part No. LM5165YDRCT Mouser Part No 595-LM5165YDRCT	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165YDRCR Learn More about Texas Instruments ti lm5165 converter	Datasheet	338In Stock	Cut Tape $6.46 $4.91 $4.53 $4.13 Reel $4.00 View $3.90 $3.73 $3.66 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSON-EP-10	Buck	3.3 V	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165YQD A 595-LM5165YQDRCRQ1 LM5165YQDRCTQ1 Texas Instruments 1: $7.41 454In Stock	Mfr. Part No. LM5165YQDRCTQ1 Mouser Part No 595-LM5165YQDRCTQ1	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165YQD A 595-LM5165YQDRCRQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	454In Stock	Cut Tape $7.41 $5.66 $5.21 $4.73 Reel $4.49 View $4.31 $4.23 $4.18 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSON-EP-10	Buck	3.3 V	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu A 595-LM5165YQDGSRQ1 LM5165YQDGSTQ1 Texas Instruments 1: $7.06 279In Stock	Mfr. Part No. LM5165YQDGSTQ1 Mouser Part No 595-LM5165YQDGSTQ1	Texas Instruments	Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu A 595-LM5165YQDGSRQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	279In Stock	Cut Tape $7.06 $5.39 $4.96 $4.66 Reel $4.43 View $4.03 $3.96 $3.92 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	VSSOP-10	Buck	3.3 V	150 mA	1 Output	10.5 uA	50 kHz to 600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165DRCT LM5165DRCR Texas Instruments 1: $5.00 8,965Expected 11/2/2027	Mfr. Part No. LM5165DRCR Mouser Part No 595-LM5165DRCR	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Sync B uck Converter A 595- A 595-LM5165DRCT Learn More about Texas Instruments ti lm5165 converter	Datasheet	8,965Expected 11/2/2027	Cut Tape $5.00 $3.88 $3.48 $3.47 $3.32 Reel $2.80 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VSON-EP-10	Buck	1.23 V to 65 V	150 mA	1 Output	10.5 uA	50 kHz to 600 kHz	- 40 C	+ 150 C		LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165QDR A 595-LM5165QDRCTQ1 LM5165QDRCRQ1 Texas Instruments 1: $6.36 5,990Expected 16/8/2027	Mfr. Part No. LM5165QDRCRQ1 Mouser Part No 595-LM5165QDRCRQ1	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165QDR A 595-LM5165QDRCTQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	5,990Expected 16/8/2027	Cut Tape $6.36 $4.84 $4.46 $4.04 View Reel $3.48 $3.84 $3.82 $3.60 $3.48 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VSON-EP-10	Buck	Adjustable	150 mA	1 Output	10.5 uA	600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu A 595-LM5165YQDGSTQ1 LM5165YQDGSRQ1 Texas Instruments 1: $6.45 5,000Expected 18/12/2026	Mfr. Part No. LM5165YQDGSRQ1 Mouser Part No 595-LM5165YQDGSRQ1	Texas Instruments	Switching Voltage Regulators Automotive 3V-65V 15 0mA Synchronous Bu A 595-LM5165YQDGSTQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	5,000Expected 18/12/2026	Cut Tape $6.45 $4.88 $4.49 $4.05 View Reel $3.40 $3.85 $3.84 $3.60 $3.40 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VSSOP-10	Buck	3.3 V	150 mA	1 Output	10.5 uA	50 kHz to 600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165YQD A 595-LM5165YQDRCTQ1 LM5165YQDRCRQ1 Texas Instruments 3,000: $3.85 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. LM5165YQDRCRQ1 Mouser Part No 595-LM5165YQDRCRQ1	Texas Instruments	Switching Voltage Regulators 3V-65V 150mA Automo tive A 595-LM5165YQD A 595-LM5165YQDRCTQ1 Learn More about Texas Instruments ti lm5165 converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $3.85	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	VSON-EP-10	Buck	3.3 V	150 mA	1 Output		600 kHz	- 40 C	+ 150 C	AEC-Q100	LM5165	Reel

LM5165 Synchronous Buck Converters

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