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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
Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981N50DR STMicroelectronics 1: HK$20.96 1,651In Stock	Mfr. Part No. L6981N50DR Mouser Part No 511-L6981N50DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	1,651In Stock	Cut Tape HK$20.96 HK$15.62 HK$14.22 HK$12.74 Reel HK$10.85 View HK$12.08 HK$11.67 HK$11.18 HK$10.60	Min.: 1 Mult.: 1 : 2,500
Linear Voltage Regulators 5.0V 0.1A Positive L78L05ABZ-AP STMicroelectronics 1: HK$3.45 18,449In Stock	Mfr. Part No. L78L05ABZ-AP Mouser Part No 511-L78L05ABZ-AP	STMicroelectronics	Linear Voltage Regulators 5.0V 0.1A Positive Learn More about STMicroelectronics stm standard products	Datasheet	18,449In Stock	HK$3.45 HK$2.41 HK$2.12 HK$1.86 Reel HK$1.36 View HK$1.72 HK$1.64 HK$1.57 HK$1.24	Min.: 1 Mult.: 1 : 2,000	Through Hole	TO-92-3	5 V
Linear Voltage Regulators 12V 0.1A Negative L79L12ACUTR STMicroelectronics 1: HK$3.37 44,623In Stock	Mfr. Part No. L79L12ACUTR Mouser Part No 511-L79L12ACU-TR	STMicroelectronics	Linear Voltage Regulators 12V 0.1A Negative Learn More about STMicroelectronics stm standard products	Datasheet	44,623In Stock	Cut Tape HK$3.37 HK$2.53 HK$2.18 HK$1.92 Reel HK$1.57 View HK$1.79 HK$1.70 HK$1.64 HK$1.55 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89	- 12 V
Gate Drivers Quad Squib Driver PTS SmartPower L9733CNTR STMicroelectronics 1: HK$40.94 1,008In Stock	Mfr. Part No. L9733CNTR Mouser Part No 511-L9733CNTR	STMicroelectronics	Gate Drivers Quad Squib Driver PTS SmartPower	Datasheet	1,008In Stock	Cut Tape HK$40.94 HK$31.40 HK$28.69 HK$25.98 View Reel HK$21.95 HK$24.82 HK$24.50 HK$21.95 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	PowerSSO-28
LDO Voltage Regulators LD ADJ VOLT REG LD1117ADT-TR STMicroelectronics 1: HK$5.26 15,551In Stock	Mfr. Part No. LD1117ADT-TR Mouser Part No 511-LD1117ADT-TR	STMicroelectronics	LDO Voltage Regulators LD ADJ VOLT REG Learn More about STMicroelectronics stm standard products	Datasheet	15,551In Stock	Cut Tape HK$5.26 HK$3.72 HK$3.34 HK$2.91 Reel HK$2.28 View HK$2.71 HK$2.59 HK$2.49 HK$2.02 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	1.25 V to 15 V
LDO Voltage Regulators LOW DROP ADJ REG LD1117ASTR STMicroelectronics 1: HK$3.78 58,705In Stock	Mfr. Part No. LD1117ASTR Mouser Part No 511-LD1117ASTR	STMicroelectronics	LDO Voltage Regulators LOW DROP ADJ REG Learn More about STMicroelectronics stm standard products	Datasheet	58,705In Stock	Cut Tape HK$3.78 HK$2.89 HK$2.65 HK$2.35 Reel HK$1.89 View HK$2.19 HK$2.08 HK$2.00 HK$1.70 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 LD1117D33TR STMicroelectronics 1: HK$5.01 9,355In Stock	Mfr. Part No. LD1117D33TR Mouser Part No 511-LD1117D33-TR	STMicroelectronics	LDO Voltage Regulators 3.3V 0.8A Positive Learn More about STMicroelectronics stm standard products	Datasheet	9,355In Stock	Cut Tape HK$5.01 HK$3.49 HK$3.16 HK$2.74 View Reel HK$1.90 HK$2.51 HK$2.33 HK$2.19 HK$1.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	3.3 V
LDO Voltage Regulators 2.5V 0.8A Positive LD1117DT25TR STMicroelectronics 1: HK$3.95 7,412In Stock	Mfr. Part No. LD1117DT25TR Mouser Part No 511-LD1117DT25-TR	STMicroelectronics	LDO Voltage Regulators 2.5V 0.8A Positive Learn More about STMicroelectronics stm standard products	Datasheet	7,412In Stock	Cut Tape HK$3.95 HK$2.90 HK$2.67 HK$2.37 View Reel HK$1.92 HK$2.20 HK$2.13 HK$2.06 HK$1.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	2.5 V
LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise LD39015M33R STMicroelectronics 1: HK$6.58 12,756In 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	12,756In Stock	Cut Tape HK$6.58 HK$4.72 HK$4.13 HK$3.74 View Reel HK$3.00 HK$3.36 HK$3.35 HK$3.22 HK$3.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V
LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator LD39100PURY STMicroelectronics 1: HK$10.28 21,414In Stock	Mfr. Part No. LD39100PURY Mouser Part No 511-LD39100PURY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	21,414In Stock	Cut Tape HK$10.28 HK$7.46 HK$6.76 HK$6.00 Reel HK$5.06 View HK$5.51 HK$5.36 HK$5.24 HK$5.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	Adjustable
LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection LDL112PV18R STMicroelectronics 1: HK$3.70 6,726In Stock	Mfr. Part No. LDL112PV18R Mouser Part No 511-LDL112PV18R	STMicroelectronics	LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	6,726In Stock	Cut Tape HK$3.70 HK$2.95 HK$2.76 HK$2.40 View Reel HK$2.12 HK$2.23 HK$2.12 HK$2.12 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	1.8 V
LDO Voltage Regulators 3.3V 0.5A Positive LF33ABV STMicroelectronics 1: HK$11.75 2,206In Stock	Mfr. Part No. LF33ABV Mouser Part No 511-LF33ABV	STMicroelectronics	LDO Voltage Regulators 3.3V 0.5A Positive Learn More about STMicroelectronics stm standard products	Datasheet	2,206In Stock	HK$11.75 HK$8.55 HK$6.50 HK$6.15 View HK$5.93 HK$5.72 HK$5.51 HK$5.48	Min.: 1 Mult.: 1	Through Hole	TO-220-3	3.3 V
Supervisory Circuits Triple Ultra-Lo Volt Open Drain reset STM6719TWWB6F STMicroelectronics 1: HK$14.96 7,630In Stock	Mfr. Part No. STM6719TWWB6F Mouser Part No 511-M6719TWWB6F	STMicroelectronics	Supervisory Circuits Triple Ultra-Lo Volt Open Drain reset	Datasheet	7,630In Stock	Cut Tape HK$14.96 HK$12.25 HK$11.59 HK$10.77 Reel HK$9.29 View HK$10.36 HK$10.19 HK$10.11 HK$9.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6
Supervisory Circuits 4 pin Smart Reset SR1LARU STMicroelectronics 1: HK$12.25 4,175In Stock	Mfr. Part No. SR1LARU Mouser Part No 511-SR1LARU	STMicroelectronics	Supervisory Circuits 4 pin Smart Reset Learn More about STMicroelectronics stmicro sr1 switch ics	Datasheet	4,175In Stock	Cut Tape HK$12.25 HK$9.21 HK$8.08 HK$7.17 Reel HK$5.92 View HK$6.73 HK$6.47 HK$6.35 HK$5.89 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6
Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec ST1PS02DQTR STMicroelectronics 1: HK$11.10 3,300In Stock	Mfr. Part No. ST1PS02DQTR Mouser Part No 511-ST1PS02DQTR	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	3,300In Stock	Cut Tape HK$11.10 HK$8.71 HK$8.05 HK$7.33 Reel HK$6.51 View HK$7.03 HK$6.84 HK$6.80 HK$6.50 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TQFN-12	1 V to 1.35 V
Switching Voltage Regulators Synch rectification inhibit 1.5A 1.5 ST1S06PU33R STMicroelectronics 1: HK$10.44 5,163In Stock	Mfr. Part No. ST1S06PU33R Mouser Part No 511-ST1S06PU33R	STMicroelectronics	Switching Voltage Regulators Synch rectification inhibit 1.5A 1.5	Datasheet	5,163In Stock	Cut Tape HK$10.44 HK$7.56 HK$6.81 HK$6.03 View Reel HK$4.66 HK$5.65 HK$5.42 HK$5.23 HK$4.66 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	3.3 V
Switching Voltage Regulators 4 A SD switch reg 4.0V to 18V 850kHz ST1S41PUR STMicroelectronics 1: HK$17.43 2,555In Stock	Mfr. Part No. ST1S41PUR Mouser Part No 511-ST1S41PUR	STMicroelectronics	Switching Voltage Regulators 4 A SD switch reg 4.0V to 18V 850kHz	Datasheet	2,555In Stock	Cut Tape HK$17.43 HK$14.22 HK$13.23 HK$11.84 View Reel HK$9.29 HK$11.18 HK$10.85 HK$10.52 HK$9.54 HK$9.29 MouseReel Available	Min.: 1 Mult.: 1 : 4,500	SMD/SMT	VFQFPN-EP-8	Adjustable
LDO Voltage Regulators 300mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current ST732M50R STMicroelectronics 1: HK$7.07 4,993In Stock	Mfr. Part No. ST732M50R Mouser Part No 511-ST732M50R	STMicroelectronics	LDO Voltage Regulators 300mA, 28 V low-dropout voltage regulator, with 5uAA quiescent current Learn More about STMicroelectronics stm st732 ldo regulator	Datasheet	4,993In Stock	Cut Tape HK$7.07 HK$5.39 HK$4.49 HK$3.94 View Reel HK$2.94 HK$3.68 HK$3.52 HK$3.31 HK$2.94 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	5 V
Battery Management Li-Ion linear battery charger with LDO and load switches STBC03JR STMicroelectronics 1: HK$30.74 3,831In Stock	Mfr. Part No. STBC03JR Mouser Part No 511-STBC03JR	STMicroelectronics	Battery Management Li-Ion linear battery charger with LDO and load switches Learn More about STMicroelectronics stm stbc03 charger	Datasheet	3,831In Stock	Cut Tape HK$30.74 HK$23.18 HK$21.29 HK$19.23 View Reel HK$15.70 HK$18.25 HK$18.08 HK$17.18 HK$15.70 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	FlipChip-30	4.2 V
Supervisory Circuits Overvolt Protection Thermal Shutdown STBP120CVDK6F STMicroelectronics 1: HK$11.59 2,543In Stock	Mfr. Part No. STBP120CVDK6F Mouser Part No 511-STBP120CVDK6F	STMicroelectronics	Supervisory Circuits Overvolt Protection Thermal Shutdown Learn More about STMicroelectronics stmicro stbp	Datasheet	2,543In Stock	Cut Tape HK$11.59 HK$8.38 HK$7.57 HK$6.69 Reel HK$5.58 View HK$6.27 HK$6.02 HK$5.75 HK$5.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TDFN-10
AC/DC Converters Offline PWM controller for low standby adapters STCH03TR STMicroelectronics 1: HK$13.07 3,302In Stock	Mfr. Part No. STCH03TR Mouser Part No 511-STCH03TR	STMicroelectronics	AC/DC Converters Offline PWM controller for low standby adapters Learn More about STMicroelectronics stm stch02 controllers	Datasheet	3,302In Stock	Cut Tape HK$13.07 HK$9.62 HK$8.71 HK$7.69 View Reel HK$6.20 HK$7.23 HK$6.95 HK$6.90 HK$6.20	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	13 V
Current & Power Monitors & Regulators Electronic fuse for 12 V line STEF12EPUR STMicroelectronics 1: HK$11.10 4,596In Stock	Mfr. Part No. STEF12EPUR Mouser Part No 511-STEF12EPUR	STMicroelectronics	Current & Power Monitors & Regulators Electronic fuse for 12 V line Learn More about STMicroelectronics STMSTEF0512	Datasheet	4,596In Stock	Cut Tape HK$11.10 HK$8.07 HK$7.32 HK$6.48 View Reel HK$5.22 HK$6.07 HK$5.84 HK$5.67 HK$5.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-10
Supervisory Circuits Dual triple ultra Lo Vltg supervisor STM6777TWWB6F STMicroelectronics 1: HK$18.50 4,022In Stock	Mfr. Part No. STM6777TWWB6F Mouser Part No 511-STM6777TWWB6F	STMicroelectronics	Supervisory Circuits Dual triple ultra Lo Vltg supervisor	Datasheet	4,022In Stock	Cut Tape HK$18.50 HK$13.65 HK$12.49 HK$11.18 View Reel HK$9.21 HK$10.52 HK$10.19 HK$9.86 HK$9.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6
Supervisory Circuits 5-pin supervisor with watchdog timer and push-button reset STM6825RWY6F STMicroelectronics 1: HK$10.36 4,804In Stock	Mfr. Part No. STM6825RWY6F Mouser Part No 511-STM6825RWY6F	STMicroelectronics	Supervisory Circuits 5-pin supervisor with watchdog timer and push-button reset Learn More about STMicroelectronics stm standard products	Datasheet	4,804In Stock	Cut Tape HK$10.36 HK$7.51 HK$6.80 HK$6.02 Reel HK$5.10 View HK$5.64 HK$5.42 HK$5.24 HK$4.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5
Supervisory Circuits 2.625V w/Batt Switch STM690RM6F STMicroelectronics 1: HK$29.51 2,221In Stock	Mfr. Part No. STM690RM6F Mouser Part No 511-STM690RM6F	STMicroelectronics	Supervisory Circuits 2.625V w/Batt Switch Learn More about STMicroelectronics stm standard products	Datasheet	2,221In Stock	Cut Tape HK$29.51 HK$22.28 HK$20.39 HK$18.41 Reel HK$14.06 View HK$17.43 HK$17.26 HK$16.77 HK$13.81 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8