Integrated Circuits (ICs)

ISL9120IRTAZ

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Renesas Electronics Corporation

COMPACT HIGH EFFICIENCY LOW POWER BUCK-BOOST REGULATOR

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DocumentsISL9120IR Datasheet

Integrated Circuits (ICs)

ISL9120IRTAZ

Active

Renesas Electronics Corporation

COMPACT HIGH EFFICIENCY LOW POWER BUCK-BOOST REGULATOR

Deep-Dive with AI

DocumentsISL9120IR Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ISL9120IRTAZ

Current - Output	800 mA
Function	Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	12-WFQFN Exposed Pad
Supplier Device Package	12-TQFN (3x3)
Synchronous Rectifier	False
Topology	Buck-Boost
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	1.8 V
Voltage - Output (Max) [Max]	5.2 V
Voltage - Output (Min/Fixed)	1 V

ISL9120 Series

Part	Voltage - Output (Max) [Max]	Function	Voltage - Input (Max) [Max]	Number of Outputs	Voltage - Output (Min/Fixed)	Output Configuration	Output Type	Package / Case	Mounting Type	Voltage - Input (Min) [Min]	Topology	Current - Output	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Output [Max]	Voltage - Output [Min]	Main Purpose	Board Type	Voltage - Input [Min]	Voltage - Input [Max]	Regulator Topology	Utilized IC / Part	Supplied Contents	Outputs and Type	Outputs and Type	Voltage - Output	Output Type
Renesas Electronics Corporation ISL9120IIAZ-T7A	5.2 V	Step-Up/Step-Down	5.5 V	1	1 V	Positive	Adjustable	9-UFBGA WLCSP	Surface Mount	1.8 V	Buck-Boost	800 mA	9-WLCSP (1.41x1.41)
Renesas Electronics Corporation ISL9120IIAZ-TR5696
Renesas Electronics Corporation ISL9120IRTAZ-T7A	5.2 V	Step-Up/Step-Down	5.5 V	1	1 V	Positive	Adjustable	12-WFQFN Exposed Pad	Surface Mount	1.8 V	Buck-Boost	800 mA	12-TQFN (3x3)	85 °C	-40 °C
Renesas Electronics Corporation ISL9120IIA-EVZ												800 mA				5 V	2 V	DC/DC Step Up or Down	Fully Populated	1.8 V	5.5 V	Buck-Boost	ISL9120	Board(s)	Non-Isolated	1
Renesas Electronics Corporation ISL9120IIN-EVZ												800 mA						DC/DC Step Up or Down	Fully Populated	1.8 V	5.5 V	Buck-Boost	ISL9120	Board(s)	Non-Isolated	1	3.3 V
Renesas Electronics Corporation ISL9120IIAZ-TR5654	5.2 V	Step-Up/Step-Down	5.5 V	1	1 V	Positive	Adjustable	9-UFBGA WLCSP	Surface Mount	1.8 V	Buck-Boost	800 mA	9-WLCSP (1.41x1.41)
Renesas Electronics Corporation ISL9120IINZ-TR5654		Step-Up/Step-Down	5.5 V	1	3.3 V	Positive		9-UFBGA WLCSP	Surface Mount	1.8 V	Buck-Boost	800 mA	9-WLCSP (1.41x1.41)															1.81 mOhm
Renesas Electronics Corporation ISL9120IRTAZ	5.2 V	Step-Up/Step-Down	5.5 V	1	1 V	Positive	Adjustable	12-WFQFN Exposed Pad	Surface Mount	1.8 V	Buck-Boost	800 mA	12-TQFN (3x3)	85 °C	-40 °C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tray	1	$ 2.38
		10	$ 2.14
		25	$ 2.02
		80	$ 1.72
		230	$ 1.62
		490	$ 1.41
		980	$ 1.17
		2450	$ 1.09
		4900	$ 1.05

Description

General part information

ISL9120 Series

The ISL9120 and ISL9120IR are highly integrated buck-boost switching regulators that accept input voltages either above or below the regulated output voltage. The regulator automatically transitions between buck and boost modes without significant output disturbance. They also have automatic bypass functionality. When the input voltage is generally within 1% to 2% of the output voltage, there will be a direct bypass connection between the VINand VOUTpins.

In addition to the automatic bypass functionality, the ISL9120 and ISL9120IR also have forced bypass functionality with the use of the BYP pin. The device is capable of delivering up to 800mA of output current (VIN= 2.5V, VOUT= 3.3V) and provides excellent efficiency due to its adaptive current limit Pulse Frequency Modulation (PFM) control architecture.

The ISL9120 and ISL9120IR are designed for stand-alone applications and support a 3.3V fixed output voltage or variable output voltages with an external resistor divider. The forced bypass power saving mode can be chosen if voltage regulation is not required. The device consumes less than 3.5µA of current over the operating temperature range in forced bypass mode.

Documents

Technical documentation and resources

ISL9120IR Datasheet

Datasheet