LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

Texas Instruments LMR36503/LMR36503-Q1 65V 0.3A Buck Converter is a small 65V, 0.3A synchronous step-down DC/DC converter in a 2mm x 2mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70V, provide excellent EMI performance, and support fixed 3.3V, 5V, and other adjustable output voltages.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Topology
Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Texas Instruments Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
5.166In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3.3 V 300 mA 1 Output 4 uA 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
6.694In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 5 V 300 mA 1 Output 4 uA 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono
Datasheet
10.783In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 5 V 300 mA 1 Output 4 uA 400 kHz to 1 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi
Datasheet
11.119In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3.3 V 600 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono
Datasheet
12.261In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3.3 V 600 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono
Datasheet
2.907In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 1 V to 60 V 600 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono
Datasheet
3.360In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 5 V 600 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono
Datasheet
1.219In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 1 V to 60 V 600 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono
Datasheet
574In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 5 V 300 mA 1 Output 1 uA 200 kHz to 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono
Datasheet
3.124In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck Adjustable 300 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono
Datasheet
2.060In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3.3 V 600 mA 1 Output 4 uA 400 kHz to 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
477In Stock
6.000Expected 09/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3 V 300 mA 1 Output 4 uA 200 kHz to 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
1.859In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3 V 300 mA 1 Output 4 uA 200 kHz to 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi
Datasheet
1.302In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 3.3 V 600 mA 1 Output 4 uA 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi
Datasheet
2.948In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck 5 V 600 mA 1 Output 4 uA 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
161In Stock
3.000Expected 07/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck Adjustable 300 mA 1 Output 4 uA 2.2 MHz - 40 C + 150 C LMR36503 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi
Datasheet
45In Stock
3.000Expected 10/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT VQFN-HR-9 Buck Adjustable 600 mA 1 Output 4 uA 2.2 MHz - 40 C + 150 C LMR36506 Reel, Cut Tape, MouseReel