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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
LDO Voltage Regulators 1.25 to 15V Adjust LD1117SC-R STMicroelectronics 1: HK$3.45 19,460In Stock	Mfr. Part No. LD1117SC-R Mouser Part No 511-LD1117SC-R	STMicroelectronics	LDO Voltage Regulators 1.25 to 15V Adjust Learn More about STMicroelectronics stm standard products	Datasheet	19,460In Stock	Cut Tape HK$3.45 HK$2.46 HK$2.20 HK$1.92 View Reel HK$1.49 HK$1.79 HK$1.70 HK$1.64 HK$1.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-223-3	1.25 V to 15 V
LDO Voltage Regulators 3.3V 0.8A Positive LD1117V33C STMicroelectronics 1: HK$6.74 5,866In Stock	Mfr. Part No. LD1117V33C Mouser Part No 511-LD1117V33C	STMicroelectronics	LDO Voltage Regulators 3.3V 0.8A Positive Learn More about STMicroelectronics stm standard products	Datasheet	5,866In Stock	HK$6.74 HK$4.86 HK$4.26 HK$3.80 View HK$3.53 HK$3.38 HK$3.25 HK$3.16	Min.: 1 Mult.: 1	Through Hole	TO-220-3	3.3 V
LDO Voltage Regulators 3.3 Volt 800mA LD29080DT33R STMicroelectronics 1: HK$11.34 19,362In Stock	Mfr. Part No. LD29080DT33R Mouser Part No 511-LD29080DT33R	STMicroelectronics	LDO Voltage Regulators 3.3 Volt 800mA Learn More about STMicroelectronics stm standard products	Datasheet	19,362In Stock	Cut Tape HK$11.34 HK$8.20 HK$7.43 HK$6.58 Reel HK$5.50 View HK$6.17 HK$5.93 HK$5.75 HK$5.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	3.3 V
LDO Voltage Regulators 3.3V 1.5A Very Low LD29150DT33R STMicroelectronics 1: HK$12.82 16,908In Stock	Mfr. Part No. LD29150DT33R Mouser Part No 511-LD29150DT33R	STMicroelectronics	LDO Voltage Regulators 3.3V 1.5A Very Low Learn More about STMicroelectronics stm standard products	Datasheet	16,908In Stock	Cut Tape HK$12.82 HK$9.37 HK$8.55 HK$7.54 Reel HK$6.31 View HK$7.09 HK$6.81 HK$6.75 HK$6.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	3.3 V
LDO Voltage Regulators Adjust 3.0A Very Low LD29300P2MTR STMicroelectronics 1: HK$14.63 10,015In Stock	Mfr. Part No. LD29300P2MTR Mouser Part No 511-LD29300P2MTR	STMicroelectronics	LDO Voltage Regulators Adjust 3.0A Very Low Learn More about STMicroelectronics stm standard products	Datasheet	10,015In Stock	Cut Tape HK$14.63 HK$11.01 HK$9.70 HK$8.71 Reel HK$7.45 View HK$8.12 HK$7.82 HK$7.09 HK$7.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	PPAK-5	Adjustable
LDO Voltage Regulators 5.0V 50mA Positive LD2980ABM50TR STMicroelectronics 1: HK$5.84 11,360In Stock	Mfr. Part No. LD2980ABM50TR Mouser Part No 511-LD2980ABM50	STMicroelectronics	LDO Voltage Regulators 5.0V 50mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	11,360In Stock	Cut Tape HK$5.84 HK$4.06 HK$3.64 HK$3.18 Reel HK$2.51 View HK$2.97 HK$2.83 HK$2.72 HK$2.47 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	5 V
LDO Voltage Regulators 3.3V 50mA Positive LD2980CM33TR STMicroelectronics 1: HK$5.34 18,630In Stock	Mfr. Part No. LD2980CM33TR Mouser Part No 511-LD2980CM33	STMicroelectronics	LDO Voltage Regulators 3.3V 50mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	18,630In Stock	Cut Tape HK$5.34 HK$3.81 HK$3.41 HK$3.02 Reel HK$2.34 View HK$2.79 HK$2.68 HK$2.56 HK$2.29 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V
LDO Voltage Regulators 3.3V 100mA Positive LD2981ABM33TR STMicroelectronics 1: HK$6.49 5,094In Stock	Mfr. Part No. LD2981ABM33TR Mouser Part No 511-LD2981ABM33	STMicroelectronics	LDO Voltage Regulators 3.3V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	5,094In Stock	Cut Tape HK$6.49 HK$4.65 HK$4.18 HK$3.67 Reel HK$2.93 View HK$3.43 HK$3.27 HK$3.16 HK$2.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V
LDO Voltage Regulators 3.3V 100mA Positive LD2981ABU33TR STMicroelectronics 1: HK$5.10 5,750In Stock 5,000Expected 1/6/2027	Mfr. Part No. LD2981ABU33TR Mouser Part No 511-LD2981ABU33	STMicroelectronics	LDO Voltage Regulators 3.3V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	5,750In Stock 5,000Expected 1/6/2027	Cut Tape HK$5.10 HK$3.72 HK$3.36 HK$2.87 Reel HK$2.46 View HK$2.77 HK$2.66 HK$2.57 HK$2.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	3.3 V
LDO Voltage Regulators 5.0V 100mA Positive LD2981ABU50TR STMicroelectronics 1: HK$7.32 4,783In Stock 7,500Expected 19/5/2027	Mfr. Part No. LD2981ABU50TR Mouser Part No 511-LD2981ABU50	STMicroelectronics	LDO Voltage Regulators 5.0V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	4,783In Stock 7,500Expected 19/5/2027	Cut Tape HK$7.32 HK$5.15 HK$4.63 HK$4.05 Reel HK$3.40 View HK$3.78 HK$3.62 HK$3.50 HK$3.27 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	5 V
LDO Voltage Regulators 3.3V 100mA Positive LD2981CM33TR STMicroelectronics 1: HK$5.75 7,814In Stock 24,000On Order	Mfr. Part No. LD2981CM33TR Mouser Part No 511-LD2981CM33	STMicroelectronics	LDO Voltage Regulators 3.3V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	7,814In Stock 24,000On Order On Order Ship Dates Mfr. No: LD2981CM33TR Stock: 7,814 Can Dispatch Immediately On Order: 12,000 Expected 7/12/2026 12,000 Expected 21/12/2026 Factory Lead Time: 30 Weeks	Cut Tape HK$5.75 HK$4.04 HK$3.63 HK$3.16 Reel HK$2.58 View HK$2.95 HK$2.82 HK$2.71 HK$2.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V
LDO Voltage Regulators 3.3V 100mA Positive LD2981CU33TR STMicroelectronics 1: HK$6.17 4,639In Stock	Mfr. Part No. LD2981CU33TR Mouser Part No 511-LD2981CU33	STMicroelectronics	LDO Voltage Regulators 3.3V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	4,639In Stock	Cut Tape HK$6.17 HK$4.36 HK$3.87 HK$3.38 Reel HK$2.76 View HK$3.15 HK$3.01 HK$2.89 HK$2.69 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	3.3 V
LDO Voltage Regulators 5.0V 100mA Positive LD2981CU50TR STMicroelectronics 1: HK$5.67 4,483In Stock	Mfr. Part No. LD2981CU50TR Mouser Part No 511-LD2981CU50	STMicroelectronics	LDO Voltage Regulators 5.0V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	4,483In Stock	Cut Tape HK$5.67 HK$4.23 HK$3.65 HK$3.22 Reel HK$2.68 View HK$3.02 HK$2.91 HK$2.81 HK$2.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	5 V
LDO Voltage Regulators 150mA Lo Quiescent Lo Noise Vltg Reg LD39015M10R STMicroelectronics 1: HK$6.58 17,862In Stock	Mfr. Part No. LD39015M10R Mouser Part No 511-LD39015M10R	STMicroelectronics	LDO Voltage Regulators 150mA Lo Quiescent Lo Noise Vltg Reg Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	17,862In Stock	Cut Tape HK$6.58 HK$4.75 HK$4.32 HK$3.83 Reel HK$3.08 View HK$3.60 HK$3.45 HK$3.34 HK$2.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1 V
LDO Voltage Regulators 150mA Lo Quiescent Lo Noise Vltg Reg LD39015M12R STMicroelectronics 1: HK$6.41 9,406In Stock	Mfr. Part No. LD39015M12R Mouser Part No 511-LD39015M12R	STMicroelectronics	LDO Voltage Regulators 150mA Lo Quiescent Lo Noise Vltg Reg Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	9,406In Stock	Cut Tape HK$6.41 HK$4.61 HK$4.20 HK$3.73 Reel HK$3.04 View HK$3.51 HK$3.37 HK$3.26 HK$2.97 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.2 V
LDO Voltage Regulators IC Regulator LN 150MA, 1.8V LD39015M18R STMicroelectronics 1: HK$6.49 12,766In Stock	Mfr. Part No. LD39015M18R Mouser Part No 511-LD39015M18R	STMicroelectronics	LDO Voltage Regulators IC Regulator LN 150MA, 1.8V Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	12,766In Stock	Cut Tape HK$6.49 HK$4.60 HK$4.13 HK$3.60 Reel HK$2.95 View HK$3.35 HK$3.21 HK$3.07 HK$2.87 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.8 V
LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise LD39015M33R STMicroelectronics 1: HK$6.90 9,108In Stock	Mfr. Part No. LD39015M33R Mouser Part No 511-LD39015M33R	STMicroelectronics	LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	9,108In Stock	Cut Tape HK$6.90 HK$4.84 HK$4.41 HK$3.82 View Reel HK$3.20 HK$3.59 HK$3.41 HK$3.29 HK$3.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V
LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC LD39020ADM30R STMicroelectronics 1: HK$2.79 19,461In Stock 57,000Expected 9/8/2027	Mfr. Part No. LD39020ADM30R Mouser Part No 511-LD39020ADM30R	STMicroelectronics	LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC Learn More about STMicroelectronics stm ld39020 regulator	Datasheet	19,461In Stock 57,000Expected 9/8/2027	Cut Tape HK$2.79 HK$1.96 HK$1.74 HK$1.50 Reel HK$1.18 View HK$1.39 HK$1.32 HK$1.26 HK$1.15 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3 V
LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC LD39020ADTPU33R STMicroelectronics 1: HK$2.71 32,413In Stock	Mfr. Part No. LD39020ADTPU33R Mouser Part No 511-LD39020ADTPU33R	STMicroelectronics	LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC Learn More about STMicroelectronics stm ld39020 regulator	Datasheet	32,413In Stock	Cut Tape HK$2.71 HK$1.96 HK$1.74 HK$1.50 View Reel HK$1.27 HK$1.39 HK$1.32 HK$1.27 HK$1.27 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,170 : 10,000	SMD/SMT		3.3 V
LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC LD39020DTPU33R STMicroelectronics 1: HK$3.21 24,858In Stock	Mfr. Part No. LD39020DTPU33R Mouser Part No 511-LD39020DTPU33R	STMicroelectronics	LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC Learn More about STMicroelectronics stm ld39020 regulator	Datasheet	24,858In Stock	Cut Tape HK$3.21 HK$2.17 HK$1.92 HK$1.64 View Reel HK$1.13 HK$1.52 HK$1.44 HK$1.37 HK$1.31 HK$1.13 HK$1.13 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	SMD/SMT	DFN-4	3.3 V
LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator LD39100PU25RY STMicroelectronics 1: HK$10.69 3,137In Stock	Mfr. Part No. LD39100PU25RY Mouser Part No 511-LD39100PU25RY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	3,137In Stock	Cut Tape HK$10.69 HK$7.73 HK$7.00 HK$6.19 Reel HK$5.19 View HK$5.81 HK$5.57 HK$5.41 HK$4.91 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	2.5 V
LDO Voltage Regulators 300mA current Linear Reg IC LD39130SJ33R STMicroelectronics 1: HK$7.07 5,381In Stock	Mfr. Part No. LD39130SJ33R Mouser Part No 511-LD39130SJ33R	STMicroelectronics	LDO Voltage Regulators 300mA current Linear Reg IC Learn More about STMicroelectronics stm ld39130s voltage regulator	Datasheet	5,381In Stock	Cut Tape HK$7.07 HK$5.01 HK$4.50 HK$3.95 View Reel HK$3.06 HK$3.68 HK$3.52 HK$3.39 HK$3.33 HK$3.06 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	FlipChip-4	3.3 V
LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop LD39150PT-R STMicroelectronics 1: HK$12.08 5,153In Stock	Mfr. Part No. LD39150PT-R Mouser Part No 511-LD39150PT-R	STMicroelectronics	LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	5,153In Stock	Cut Tape HK$12.08 HK$8.80 HK$7.93 HK$7.02 Reel HK$5.70 View HK$6.58 HK$6.32 HK$6.13 HK$5.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-5	1.22 V to 5 V
LDO Voltage Regulators BICMOS VOLT REG LD3985M33R STMicroelectronics 1: HK$6.08 30,551In Stock	Mfr. Part No. LD3985M33R Mouser Part No 511-LD3985M33R	STMicroelectronics	LDO Voltage Regulators BICMOS VOLT REG Learn More about STMicroelectronics stm standard products	Datasheet	30,551In Stock	Cut Tape HK$6.08 HK$4.28 HK$3.85 HK$3.36 Reel HK$2.61 View HK$3.13 HK$3.00 HK$2.89 HK$2.54 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V
LDO Voltage Regulators 3.3 V Output Voltage LD49100PU33RY STMicroelectronics 1: HK$10.52 2,530In Stock	Mfr. Part No. LD49100PU33RY Mouser Part No 511-LD49100PU33RY	STMicroelectronics	LDO Voltage Regulators 3.3 V Output Voltage Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	2,530In Stock	Cut Tape HK$10.52 HK$7.78 HK$7.11 HK$6.36 Reel HK$5.41 View HK$6.01 HK$5.80 HK$5.64 HK$5.30 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	3.3 V