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 (GBP) 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 3-V to 65-V 0.3-A u ltra-small synchrono
Datasheet
10,789In 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
11,142In 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 Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
5,380In 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
3,414In 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
1,216In 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
3,422In 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 0.3-A u ltra-small synchrono
Datasheet
580In 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 0.6-A u ltra-small synchrono
Datasheet
2,132In 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
2,739In 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 Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
563In Stock
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 Automotive 3-V to 65 -V 0.3-A buck conve
Datasheet
644In Stock
6,000Expected 15/10/2026
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
1,879In 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
1,363In 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
674In 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
Texas Instruments Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi
Datasheet
49In Stock
3,000Expected 23/07/2026
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