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ISL9120IRTNZ-T is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG BCK BST 3.3V 800MA 12TQFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for ISL9120IRTNZ-T
- Description：IC REG BCK BST 3.3V 800MA 12TQFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：1.8V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：800mA
- Frequency - Switching：-
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：12-WFQFN Exposed Pad
- Supplier Device Package：12-TQFN (3x3)
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL9120IRTNZ-T
Voltage Regulators - DC DC Switching Regulators Overview
The ISL9120IRTNZ-T is a synchronous buck-boost switching regulator manufactured by Renesas Electronics. It operates with an input voltage range of 1.8V to 5.5V and provides a fixed 3.3V output at up to 800mA. The device utilizes a TQFN-EP-12 package, measuring 3x3mm, and supports surface mount installation. It functions within a temperature range of -40°C to +85°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrated synchronous rectification for high efficiency in buck and boost modes
- Compact 3x3mm TQFN footprint suitable for space-constrained designs
- Fixed 3.3V output configuration simplifies circuit design
Voltage Regulators - DC DC Switching Regulators Applications
- Smart earbuds case chargers
- Wearable health monitoring devices
- Portable consumer electronics
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix 'RTNZ' against the official datasheet to confirm the fixed 3.3V output variant and tape-and-reel packaging. Ensure compatibility with the 12-WFQFN exposed pad thermal requirements during integration. Cross-reference the manufacturer part number with current availability status as supply conditions may change.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a fixed 3.3V rail is required from a single-cell lithium battery or USB source. The synchronous topology offers superior efficiency compared to non-synchronous alternatives. Consider the 800mA limit for load requirements and the 3x3mm package for PCB area constraints.
Voltage Regulators - DC DC Switching Regulators Part Context
Part of the ISL9120 family of high-efficiency buck-boost regulators designed for portable applications. The series includes variants with adjustable outputs and different packages, such as WLCSP. This specific model targets compact wearable and IoT devices requiring stable power management from varying input sources.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Check for ISL9120IRTAZ-T7A if an adjustable output version is acceptable. Verify pinout compatibility before substituting with other Renesas buck-boost regulators. Ensure thermal performance meets system requirements when replacing with similar footprint components.
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