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Power Management ICs

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage
Linear Voltage Regulators 1.2-37V Adj Negative LM337SP STMicroelectronics 1: HK$12.99 6,358In Stock 3,000Expected 4/1/2027	Mfr. Part No. LM337SP Mouser Part No 511-LM337SP	STMicroelectronics	Linear Voltage Regulators 1.2-37V Adj Negative Learn More about STMicroelectronics stm standard products	Datasheet	6,358In Stock 3,000Expected 4/1/2027	HK$12.99 HK$8.63 HK$7.61 HK$7.53 HK$7.52	Min.: 1 Mult.: 1	Through Hole	TO-220-3	- 37 V to - 1.2 V
Supervisory Circuits SRAM TK Controller M48T201Y-70MH1F STMicroelectronics 1: HK$129.79 760In Stock	Mfr. Part No. M48T201Y-70MH1F Mouser Part No 511-M48T201Y-70MH1F	STMicroelectronics	Supervisory Circuits SRAM TK Controller	Datasheet	760In Stock	Cut Tape HK$129.79 HK$103.33 HK$96.59 HK$89.35 View Reel HK$83.93 HK$88.20 HK$84.50 HK$83.93 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	SMD/SMT	SOIC-44
Switching Voltage Regulators DC DC CONVERTER CONTROL CIRCUITS MC34063ABN STMicroelectronics 1: HK$8.47 4,261In Stock	Mfr. Part No. MC34063ABN Mouser Part No 511-MC34063ABN	STMicroelectronics	Switching Voltage Regulators DC DC CONVERTER CONTROL CIRCUITS Learn More about STMicroelectronics stm standard products	Datasheet	4,261In Stock	HK$8.47 HK$6.07 HK$5.13 HK$4.78 View HK$4.49 HK$4.31 HK$4.16 HK$3.99	Min.: 1 Mult.: 1	Through Hole	DIP-8	1.25 V to 38 V
Switching Voltage Regulators DC DC CONVERTER CONTROL CIRCUITS MC34063EBN STMicroelectronics 1: HK$9.04 5,928In Stock 2,000Expected 13/11/2026	Mfr. Part No. MC34063EBN Mouser Part No 511-MC34063EBN	STMicroelectronics	Switching Voltage Regulators DC DC CONVERTER CONTROL CIRCUITS Learn More about STMicroelectronics stm standard products	Datasheet	5,928In Stock 2,000Expected 13/11/2026	HK$9.04 HK$6.31 HK$5.66 HK$5.14 HK$5.13	Min.: 1 Mult.: 1	Through Hole	DIP-8	1.25 V to 38 V
Switching Voltage Regulators 3.0 to 40V DC-DC Cnv MC34063ECN STMicroelectronics 1: HK$8.14 3,218In Stock	Mfr. Part No. MC34063ECN Mouser Part No 511-MC34063ECN	STMicroelectronics	Switching Voltage Regulators 3.0 to 40V DC-DC Cnv Learn More about STMicroelectronics stm standard products	Datasheet	3,218In Stock	HK$8.14 HK$5.86 HK$4.94 HK$4.66 View HK$4.36 HK$4.26 HK$4.11 HK$3.95 HK$3.58	Min.: 1 Mult.: 1	Through Hole	DIP-8	40 V
Gate Drivers 4A dual low side MOSFET driver PM8834TR STMicroelectronics 1: HK$11.67 4,496In Stock	Mfr. Part No. PM8834TR Mouser Part No 511-PM8834TR	STMicroelectronics	Gate Drivers 4A dual low side MOSFET driver	Datasheet	4,496In Stock	Cut Tape HK$11.67 HK$9.04 HK$8.30 HK$7.55 Reel HK$6.61 View HK$7.18 HK$6.96 HK$6.91 HK$6.59 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT
Gate Drivers 1A Low Side Gate Driver with configurable asymmetric sink/source PM8851D STMicroelectronics 1: HK$7.48 4,506In Stock 9,000On Order	Mfr. Part No. PM8851D Mouser Part No 511-PM8851D	STMicroelectronics	Gate Drivers 1A Low Side Gate Driver with configurable asymmetric sink/source	Datasheet	4,506In Stock 9,000On Order On Order Ship Dates Mfr. No: PM8851D Stock: 4,506 Can Dispatch Immediately On Order: 3,000 Expected 19/11/2027 6,000 TBD Factory Lead Time: 63 Weeks	Cut Tape HK$7.48 HK$5.35 HK$4.83 HK$4.24 Reel HK$3.48 View HK$3.96 HK$3.80 HK$3.67 HK$3.39 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6
Motor/Motion/Ignition Controllers & Drivers System-in-package integrating microstepping controller and 10 A power MOSFETs POWERSTEP01 STMicroelectronics 1: HK$104.15 483In Stock 1,632On Order	Mfr. Part No. POWERSTEP01 Mouser Part No 511-POWERSTEP01	STMicroelectronics	Motor/Motion/Ignition Controllers & Drivers System-in-package integrating microstepping controller and 10 A power MOSFETs Learn More about STMicroelectronics stm powerstep01	Datasheet	483In Stock 1,632On Order On Order Ship Dates Mfr. No: POWERSTEP01 Stock: 483 Can Dispatch Immediately On Order: 816 Expected 29/1/2027 816 Expected 15/10/2027 Factory Lead Time: 52 Weeks	HK$104.15 HK$83.52 HK$78.34 HK$70.94	Min.: 1 Mult.: 1 Max.: 110	SMD/SMT	VFQFPN-9	15 V
Switching Controllers Voltage Mode w/Sync SG2525AN STMicroelectronics 1: HK$20.06 1,758In Stock	Mfr. Part No. SG2525AN Mouser Part No 511-SG2525AN	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	1,758In Stock	HK$20.06 HK$14.96 HK$13.65 HK$12.25 View HK$11.51 HK$11.10 HK$10.69 HK$10.36 HK$10.11	Min.: 1 Mult.: 1	Through Hole	PDIP-16	5.1 V
Switching Controllers Regulated Volt Mode SG3524P STMicroelectronics 1: HK$14.06 2,868In Stock	Mfr. Part No. SG3524P Mouser Part No 511-SG3524P	STMicroelectronics	Switching Controllers Regulated Volt Mode	Datasheet	2,868In Stock	HK$14.06 HK$10.28 HK$8.80 HK$8.38 View HK$7.82 HK$7.52 HK$7.47 HK$7.16 HK$6.85	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	18 V
Switching Controllers Voltage Mode w/Sync SG3525AN STMicroelectronics 1: HK$23.84 2,604In Stock	Mfr. Part No. SG3525AN Mouser Part No 511-SG3525AN	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	2,604In Stock	HK$23.84 HK$17.92 HK$16.28 HK$14.63 View HK$13.81 HK$13.40 HK$12.82 HK$12.58 HK$12.00	Min.: 1 Mult.: 1	Through Hole	PDIP-16	5.1 V
Switching Controllers Voltage Mode w/Sync SG3525AP STMicroelectronics 1: HK$29.10 3,881In Stock	Mfr. Part No. SG3525AP Mouser Part No 511-SG3525AP	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	3,881In Stock	HK$29.10 HK$21.78 HK$19.48 HK$18.00 View HK$17.02 HK$16.52 HK$15.78 HK$15.37 HK$14.39	Min.: 1 Mult.: 1	SMD/SMT	SOIC-16	5.1 V
Supervisory Circuits 4 pin Smart Reset SR1HARU STMicroelectronics 1: HK$12.58 4,395In Stock	Mfr. Part No. SR1HARU Mouser Part No 511-SR1HARU	STMicroelectronics	Supervisory Circuits 4 pin Smart Reset	Datasheet	4,395In Stock	Cut Tape HK$12.58 HK$9.21 HK$8.38 HK$7.41 Reel HK$6.10 View HK$6.96 HK$6.69 HK$6.63 HK$5.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6
LDO Voltage Regulators V LOW QUIESCENT BiCMOS VOLT REG ST1L05APU33R STMicroelectronics 1: HK$9.78 3,490In Stock	Mfr. Part No. ST1L05APU33R Mouser Part No 511-ST1L05APU33R	STMicroelectronics	LDO Voltage Regulators V LOW QUIESCENT BiCMOS VOLT REG Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	3,490In Stock	Cut Tape HK$9.78 HK$7.25 HK$6.62 HK$5.93 View Reel HK$5.01 HK$5.59 HK$5.39 HK$5.24 HK$5.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	3.3 V
LDO Voltage Regulators BiCMOS VOLT REG LOW QUIESCENT ST1L05BPUR STMicroelectronics 1: HK$9.95 7,435In Stock 9,000Expected 23/11/2027	Mfr. Part No. ST1L05BPUR Mouser Part No 511-ST1L05BPUR	STMicroelectronics	LDO Voltage Regulators BiCMOS VOLT REG LOW QUIESCENT Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	7,435In Stock 9,000Expected 23/11/2027	Cut Tape HK$9.95 HK$7.32 HK$6.67 HK$5.95 Reel HK$4.91 View HK$5.60 HK$5.38 HK$5.22 HK$4.82 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	1.195 V to 1.245 V
LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator ST1L08SPU33R STMicroelectronics 1: HK$8.30 3,921In Stock	Mfr. Part No. ST1L08SPU33R Mouser Part No 511-ST1L08SPU33R	STMicroelectronics	LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	3,921In Stock	Cut Tape HK$8.30 HK$5.98 HK$5.39 HK$4.75 Reel HK$3.84 View HK$4.45 HK$4.26 HK$4.14 HK$3.69 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	DFN-8	3.3 V
Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec ST1PS01EJR STMicroelectronics 1: HK$16.77 5,702In Stock	Mfr. Part No. ST1PS01EJR Mouser Part No 511-ST1PS01EJR	STMicroelectronics	Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec Learn More about STMicroelectronics stm st1ps01 converter	Datasheet	5,702In Stock	Cut Tape HK$16.77 HK$12.41 HK$11.26 HK$10.11 View Reel HK$6.13 HK$9.54 HK$9.21 HK$7.66 HK$7.18 HK$6.13 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	FlipChip-8	1.8 V, 2.7 V, 3 V, 3.3 V
Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec ST1PS02CQTR STMicroelectronics 1: HK$13.40 3,698In Stock	Mfr. Part No. ST1PS02CQTR Mouser Part No 511-ST1PS02CQTR	STMicroelectronics	Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec Learn More about STMicroelectronics stm st1ps02 step down converter	Datasheet	3,698In Stock	Cut Tape HK$13.40 HK$9.86 HK$8.96 HK$7.92 Reel HK$6.77 View HK$7.45 HK$7.16 HK$7.10 HK$6.18 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TQFN-12	2.6 V to 3.3 V
Switching Voltage Regulators Synch rectification inhibit 1.5A 1.5 ST1S06APUR STMicroelectronics 1: HK$9.95 3,418In Stock 12,000Expected 10/9/2027	Mfr. Part No. ST1S06APUR Mouser Part No 511-ST1S06APUR	STMicroelectronics	Switching Voltage Regulators Synch rectification inhibit 1.5A 1.5	Datasheet	3,418In Stock 12,000Expected 10/9/2027	Cut Tape HK$9.95 HK$7.30 HK$6.63 HK$5.87 View Reel HK$5.03 HK$5.68 HK$5.46 HK$5.29 HK$5.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	- 300 mV to 7 V
Switching Voltage Regulators STEP-DOWN SWITCH REG W/ENABLE 1.7MHZ ST1S12G12R STMicroelectronics 1: HK$9.29 2,849In Stock	Mfr. Part No. ST1S12G12R Mouser Part No 511-ST1S12G12R	STMicroelectronics	Switching Voltage Regulators STEP-DOWN SWITCH REG W/ENABLE 1.7MHZ	Datasheet	2,849In Stock	Cut Tape HK$9.29 HK$6.69 HK$6.03 HK$5.29 Reel HK$4.39 View HK$4.95 HK$4.74 HK$4.59 HK$4.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TSOT-23-5	1.2 V
Switching Voltage Regulators Up to 3A Step Down 3A DC 5.5-48V 850kHz ST1S14PHR STMicroelectronics 1: HK$18.00 4,094In Stock 75,000On Order	Mfr. Part No. ST1S14PHR Mouser Part No 511-ST1S14PHR	STMicroelectronics	Switching Voltage Regulators Up to 3A Step Down 3A DC 5.5-48V 850kHz	Datasheet	4,094In Stock 75,000On Order On Order Ship Dates Mfr. No: ST1S14PHR Stock: 4,094 Can Dispatch Immediately On Order: 7,500 Expected 25/11/2026 40,000 Expected 18/1/2027 27,500 Expected 29/3/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$18.00 HK$13.32 HK$12.17 HK$10.93 View Reel HK$9.70 HK$10.28 HK$9.95 HK$9.70 HK$9.70 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,800 : 2,500	SMD/SMT	HSOP-8	400 mV
Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz ST1S31PUR STMicroelectronics 1: HK$16.77 4,017In Stock	Mfr. Part No. ST1S31PUR Mouser Part No 511-ST1S31PUR	STMicroelectronics	Switching Voltage Regulators 3A DC Step Down REG 2.8V to 5.5V 1.5MHz Learn More about STMicroelectronics stm st1s31 regulator	Datasheet	4,017In Stock	Cut Tape HK$16.77 HK$12.41 HK$11.26 HK$10.11 Reel HK$8.55 View HK$9.45 HK$9.12 HK$9.04 HK$8.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VFDFPN-EP-8	Adjustable
Switching Voltage Regulators 4A DC 2.8V to 5.5V 0.8V 1.5MHz POR ST1S32PUR STMicroelectronics 1: HK$16.52 4,896In Stock	Mfr. Part No. ST1S32PUR Mouser Part No 511-ST1S32PUR	STMicroelectronics	Switching Voltage Regulators 4A DC 2.8V to 5.5V 0.8V 1.5MHz POR	Datasheet	4,896In Stock	Cut Tape HK$16.52 HK$12.58 HK$11.51 HK$10.28 View Reel HK$8.22 HK$9.70 HK$9.29 HK$8.96 HK$8.47 HK$8.22 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	SMD/SMT	VFDFPN-EP-8	Adjustable
LDO Voltage Regulators High Input Volt 85 mA LDO REG ST715PUR STMicroelectronics 1: HK$6.33 7,301In Stock 18,000On Order	Mfr. Part No. ST715PUR Mouser Part No 511-ST715PUR	STMicroelectronics	LDO Voltage Regulators High Input Volt 85 mA LDO REG Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	7,301In Stock 18,000On Order On Order Ship Dates Mfr. No: ST715PUR Stock: 7,301 Can Dispatch Immediately On Order: 6,000 Expected 28/6/2027 12,000 Expected 1/11/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$6.33 HK$4.46 HK$4.01 HK$3.51 Reel HK$2.87 View HK$3.27 HK$3.13 HK$3.01 HK$2.79 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-8	1.2 V to 5 V
LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current ST730MR STMicroelectronics 1: HK$7.73 8,216In Stock	Mfr. Part No. ST730MR Mouser Part No 511-ST730MR	STMicroelectronics	LDO Voltage Regulators 300 mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current Learn More about STMicroelectronics stm st730 ldo voltage regulator	Datasheet	8,216In Stock	Cut Tape HK$7.73 HK$5.53 HK$4.99 HK$4.39 HK$4.10 Reel HK$4.10 MouseReel Available	Min.: 1 Mult.: 1 Max.: 450 : 3,000	SMD/SMT		Adjustable