Key facts
- Model
- IR3840WMPBF
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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International Rectifier IR3840WMPbF DC/DC Buck Regulator Datasheet
The IR3840WMPbF is a fully integrated, synchronous buck regulator designed for low‑output‑voltage applications. It offers greater than 96 % efficiency, a wide input range of 1.5 V to 16 V, and programmable switching frequencies from 250 kHz up to 1.5 MHz.
The device includes multiple protection functions such as thermal shutdown, over‑current limit, and enable‑input monitoring. It is supplied in a 5 mm × 6 mm QFN package and is RoHS‑compliant, making it suitable for server, storage, telecom and other point‑of‑load power architectures.
International Rectifier IR3840WMPBF specifications
| Input Voltage Range | 1.5 V – 16 V |
|---|---|
| Output Voltage Range | 0.7 V – 0.9 × Vin |
| Continuous Output Current | 12 A |
| Switching Frequency | 250 kHz – 1.5 MHz (programmable) |
| Maximum Efficiency | >96 % |
| Package | 5 mm × 6 mm Power QFN, 0.9 mm height |
| Thermal Shutdown Temperature | 140 °C |
Source: International Rectifier IR3840WMPbF DC/DC Buck Regulator Datasheet
All International Rectifier IR3840WMPBF documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum efficiency of the IR3840WMPbF?
The device achieves greater than 96 % maximum efficiency.
From: International Rectifier IR3840WMPbF DC/DC Buck Regulator Datasheet
What input voltage range does the IR3840WMPbF support?
It operates with an input voltage from 1.5 V up to 16 V.
From: International Rectifier IR3840WMPbF DC/DC Buck Regulator Datasheet
What is the maximum efficiency of the IR3840WMPbF?
The device achieves greater than 96% maximum efficiency.
From: International Rectifier IR3840WMPbF PD-97657 Synchronous Buck Regulator Datasheet
What input voltage range does the regulator support?
It operates with an input voltage from 1.5 V to 16 V.
From: International Rectifier IR3840WMPbF PD-97657 Synchronous Buck Regulator Datasheet