Voltage Regulators - Switching Regulators

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ISL91110 High-Efficiency Buck-Boost Regulator

Renesas Electronics ISL91110 High-Efficiency Buck-Boost Regulator is a high-current buck-boost switching regulator for systems using new battery chemistries. It uses a proprietary buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and a very low output voltage ripple when the input voltage is close to the output voltage. ISL91110 is capable of delivering at least 2A continuous output current (V_OUT = 3.3V) over a battery voltage range of 2.5V to 4.35V. This maximizes the energy utilization of advanced single-cell Li-ion battery chemistries that have significant capacity left at voltages below the system voltage. It's fully synchronous low ON-resistance 4-switch architecture and a low quiescent current of only 35μA optimize efficiency under all load conditions.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 Buck-Boost Reg with 4A Switches, Adj ISL91110IIAZ-T Renesas / Intersil 1: $1.14 3,754In Stock	Mfr. Part No. ISL91110IIAZ-T Mouser Part No 968-ISL91110IIAZ-T	Renesas / Intersil	Switching Voltage Regulators Buck-Boost Reg with 4A Switches, Adj Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	3,754In Stock	Cut Tape $1.14 $0.825 $0.742 $0.654 Reel $0.552 View $0.611 $0.584 $0.566 $0.547 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	WLCSP-25	Buck-Boost	1 V to 5.2 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Buck-Boost Reg with 4A Switches, 3.3V ISL91110IINZ-T7A Renesas / Intersil 1: $3.26 53In Stock	Mfr. Part No. ISL91110IINZ-T7A Mouser Part No 968-ISL91110IINZ-T7A	Renesas / Intersil	Switching Voltage Regulators Buck-Boost Reg with 4A Switches, 3.3V Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	53In Stock	Cut Tape $3.26 $2.43 $2.22 $1.99 Reel $1.88 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	WLCSP-25	Buck-Boost	3.3 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape, MouseReel
Switching Voltage Regulators High Efficiency Buck-Boost Regulator with 4.5A Switches, Adj ISL91110IRAZ-T7A Renesas / Intersil 1: $5.42 1,109In Stock 1,250Expected 2027/03/23	Mfr. Part No. ISL91110IRAZ-T7A Mouser Part No 968-ISL91110IRAZ-T7A	Renesas / Intersil	Switching Voltage Regulators High Efficiency Buck-Boost Regulator with 4.5A Switches, Adj Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	1,109In Stock 1,250Expected 2027/03/23	Cut Tape $5.42 $3.99 $3.64 $3.13 Reel $2.97 View $2.87 $2.74 $2.70 $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	TQFN-EP-20	Buck-Boost	1 V to 5.2 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Buck-Boost Reg with 4A Switches, Adj ISL91110IIAZ-T7A Renesas / Intersil 1: $1.35 1,983In Stock 1,000Expected 2027/05/11	Mfr. Part No. ISL91110IIAZ-T7A Mouser Part No 968-ISL91110IIAZ-T7A	Renesas / Intersil	Switching Voltage Regulators Buck-Boost Reg with 4A Switches, Adj Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	1,983In Stock 1,000Expected 2027/05/11	Cut Tape $1.35 $0.933 $0.833 $0.726 Reel $0.676 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	WLCSP-25	Buck-Boost	1 V to 5.2 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape, MouseReel
Switching Voltage Regulators High Efficiency Buck -Boost Regulator wit ISL91110IRNZ-T7A Renesas / Intersil 1: $4.92 750On Order	Mfr. Part No. ISL91110IRNZ-T7A Mouser Part No 968-ISL91110IRNZ-T7A	Renesas / Intersil	Switching Voltage Regulators High Efficiency Buck -Boost Regulator wit Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	750On Order On Order Ship Dates Mfr. No: ISL91110IRNZ-T7A Stock: 0 On Order: 250 Expected 2027/01/12 250 Expected 2027/02/12 250 Expected 2027/02/15 Factory Lead Time: 30 Weeks	Cut Tape $4.92 $3.71 $3.41 $3.08 Reel $2.92 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	TQFN-EP-20	Buck-Boost	3.3 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Buck-Boost Regulator with 4.5A Switches ISL91110II2AZ-T7A Renesas / Intersil 1: $1.24 3,500Factory Stock Available	Mfr. Part No. ISL91110II2AZ-T7A Mouser Part No 968-ISL91110II2AZT7A	Renesas / Intersil	Switching Voltage Regulators Buck-Boost Regulator with 4.5A Switches Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	3,500Factory Stock Available More Info Available	Cut Tape $1.24 $0.873 $0.783 $0.686 Reel $0.638 MouseReel Available	Min.: 1 Mult.: 1 : 250	SMD/SMT	WLCSP-25	Buck-Boost	3.5 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape, MouseReel
Switching Voltage Regulators High Efficiency Buck -Boost Regulator wit ISL91110IRAZ-T Renesas / Intersil 1: $4.26 3Factory Stock Available	Mfr. Part No. ISL91110IRAZ-T Mouser Part No 968-ISL91110IRAZ-T	Renesas / Intersil	Switching Voltage Regulators High Efficiency Buck -Boost Regulator wit Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	3Factory Stock Available More Info Available	Cut Tape $4.26 $3.21 $2.95 $2.66 View Reel $2.30 $2.52 $2.50 $2.35 $2.30	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TQFN-EP-20	Buck-Boost	1 V to 5.2 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel, Cut Tape
Switching Voltage Regulators Buck-Boost Reg with 4A Switches, 3.3V ISL91110IINZ-T Renesas / Intersil 3,000: $1.49 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. ISL91110IINZ-T Mouser Part No 968-ISL91110IINZ-T	Renesas / Intersil	Switching Voltage Regulators Buck-Boost Reg with 4A Switches, 3.3V Learn More about Renesas / Intersil intersil isl91110 regulator	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel $1.49	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	WLCSP-25	Buck-Boost	3.3 V	2 A	1 Output	2.5 MHz	- 40 C	+ 85 C	ISL91110	Reel

ISL91110 High-Efficiency Buck-Boost Regulator

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