Voltage Regulators - Switching Regulators

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SC189 Step Down Regulators

Semtech SC189 Step Down Regulators deliver up to 1.5A output current in either an ultra-small 2mm x 2mm, low profile package, or a low-cost SOT23-5 package. With only three external filter components, the SC189 is a complete step-down regulator solution. The SC189 Regulators feature an input voltage range of 2.9V to 5.5V with either factory-programmed outputs from 1.0V to 3.3V or adjustable output via an external resistor divider.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (INR) 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	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators 1.5A SYNCHRONOUS STEP DOWN REG SC189HSKTRT Semtech 1: ₹94.58 3,787In Stock	Mfr. Part No. SC189HSKTRT Mouser Part No 947-SC189HSKTRT	Semtech	Switching Voltage Regulators 1.5A SYNCHRONOUS STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	3,787In Stock	Cut Tape ₹94.58 ₹67.64 ₹61.05 ₹53.69 View Reel ₹42.23 ₹50.25 ₹48.15 ₹46.72 ₹42.23 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	1.5 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189CULTRT Semtech 1: ₹86.94 31,273In Stock	Mfr. Part No. SC189CULTRT Mouser Part No 947-SC189CULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	31,273In Stock	Cut Tape ₹86.94 ₹61.91 ₹55.03 ₹49.11 Reel ₹38.50 View ₹45.86 ₹43.85 ₹41.85 ₹37.83 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	MLPD-UT-6	Buck	1.2 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189LULTRT Semtech 1: ₹85.99 2,705In Stock	Mfr. Part No. SC189LULTRT Mouser Part No 947-SC189LULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	2,705In Stock	Cut Tape ₹85.99 ₹61.24 ₹55.22 ₹48.44 Reel ₹39.74 View ₹45.29 ₹43.38 ₹41.94 ₹38.02 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	MLPD-UT-6	Buck	1.8 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189BULTRT Semtech 1: ₹93.63 2,733In Stock	Mfr. Part No. SC189BULTRT Mouser Part No 947-SC189BULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	2,733In Stock	Cut Tape ₹93.63 ₹66.97 ₹60.38 ₹53.12 Reel ₹42.99 View ₹49.68 ₹47.67 ₹46.24 ₹41.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	MLPD-UT-6	Buck	1.1 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG SC189ASKTRT Semtech 1: ₹85.99 20,196In Stock	Mfr. Part No. SC189ASKTRT Mouser Part No 947-SC189ASKTRT	Semtech	Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	20,196In Stock	Cut Tape ₹85.99 ₹61.43 ₹55.41 ₹48.73 Reel ₹39.94 View ₹45.48 ₹43.57 ₹42.13 ₹39.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	1 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG SC189ZSKTRT Semtech 1: ₹98.41 8,185In Stock	Mfr. Part No. SC189ZSKTRT Mouser Part No 947-SC189ZSKTRT	Semtech	Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	8,185In Stock	Cut Tape ₹98.41 ₹73.28 ₹62.77 ₹55.89 View Reel ₹44.71 ₹52.26 ₹50.06 ₹47.87 ₹44.71 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	3.3 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG SC189LSKTRT Semtech 1: ₹92.67 679In Stock 6,000Expected 09-10-2026	Mfr. Part No. SC189LSKTRT Mouser Part No 947-SC189LSKTRT	Semtech	Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	679In Stock 6,000Expected 09-10-2026	Cut Tape ₹92.67 ₹66.69 ₹60.19 ₹53.02 Reel ₹43.18 View ₹49.49 ₹47.48 ₹46.05 ₹42.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	1.8 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG SC189CSKTRT Semtech 1: ₹91.72 1,082In Stock 12,000Expected 01-10-2026	Mfr. Part No. SC189CSKTRT Mouser Part No 947-SC189CSKTRT	Semtech	Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	1,082In Stock 12,000Expected 01-10-2026	Cut Tape ₹91.72 ₹69.36 ₹59.14 ₹52.74 Reel ₹43.95 View ₹49.30 ₹47.77 ₹46.24 ₹42.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	1.2 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG SC189YSKTRT Semtech 1: ₹91.72 1,109In Stock	Mfr. Part No. SC189YSKTRT Mouser Part No 947-SC189YSKTRT	Semtech	Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	1,109In Stock	Cut Tape ₹91.72 ₹66.02 ₹59.52 ₹52.45 Reel ₹42.42 View ₹49.01 ₹46.91 ₹45.48 ₹41.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	2.5 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2.5MHZ-1.5A SYNC STEP DOWN REG SC189BSKTRT Semtech 1: ₹97.45 2,995In Stock	Mfr. Part No. SC189BSKTRT Mouser Part No 947-SC189BSKTRT	Semtech	Switching Voltage Regulators 2.5MHZ-1.5A SYNC STEP DOWN REG Learn More about Semtech sc189 regulators	Datasheet	2,995In Stock	Cut Tape ₹97.45 ₹69.74 ₹62.87 ₹55.32 View Reel ₹43.66 ₹51.69 ₹49.59 ₹48.06 ₹43.66 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Buck	1.1 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189AULTRT Semtech 1: ₹92.67 5,721Expected 23-09-2027	Mfr. Part No. SC189AULTRT Mouser Part No 947-SC189AULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	5,721Expected 23-09-2027	Cut Tape ₹92.67 ₹66.78 ₹60.29 ₹53.02 View Reel ₹42.99 ₹49.59 ₹47.48 ₹46.05 ₹42.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	MLPD-UT-6	Buck	1 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189ZULTRT Semtech 1: ₹96.50 5,240Expected 19-02-2027	Mfr. Part No. SC189ZULTRT Mouser Part No 947-SC189ZULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	5,240Expected 19-02-2027	Cut Tape ₹96.50 ₹68.88 ₹62.01 ₹54.55 View Reel ₹45.09 ₹50.92 ₹48.82 ₹47.29 ₹45.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	MLPD-UT-6	Buck	3.3 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 85 C	SC189	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189HULTRT Semtech 3,000: ₹43.76 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. SC189HULTRT Mouser Part No 947-SC189HULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ₹43.76	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	MLPD-UT-6	Buck	1.5 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189NULTRT Semtech 3,000: ₹46.24 Non-Stocked	Mfr. Part No. SC189NULTRT Mouser Part No 947-SC189NULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	Non-Stocked	Reel ₹46.24 ₹44.04	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	MLPD-UT-6	Buck	2 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel
Switching Voltage Regulators SYNC STEP DOWN REGULATOR SC189TULTRT Semtech 3,000: ₹48.06 Non-Stocked	Mfr. Part No. SC189TULTRT Mouser Part No 947-SC189TULTRT	Semtech	Switching Voltage Regulators SYNC STEP DOWN REGULATOR Learn More about Semtech sc189 regulators	Datasheet	Non-Stocked	Reel ₹48.06 ₹45.29	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	MLPD-UT-6	Buck	2.5 V	1.5 A	1 Output	2.5 MHz	- 40 C	+ 125 C	SC189	Reel

SC189 Step Down Regulators

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