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IR3842MTPBF International Rectifier Adjustable 4A Synchronous DC-DC Buck Regulator IC QFN-15

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5 Pieces - IR3842MTPBF International Rectifier Adjustable 4A Synchronous DC-DC Buck Regulator IC QFN-15

Specification
Input Voltage (Vin) 16 V
Supply Voltage (Vcc) 5.5 V
Boot to SW Supply Voltage 5.5 V
Output Voltage (Vo) 0.9 * Vin
Output Current (Io) 4 A
Switching Frequency (Fs) 1650 kHz
Junction Temperature (Tj) 125 °C
Power Loss (Ploss) 0.8 W
Top Switch Rds(on) 29.0 mΩ
Bottom Switch Rds(on) 20.0 mΩ
Feedback Voltage (VFB) 0.7 V
Accuracy (0°C < Tj < 125°C) ±1.0%
Accuracy (-40°C < Tj < 125°C) ±2.0%
Vcc Supply Current (Standby) 500 µA
Vcc Supply Current (Dyn) 10 mA
Vcc Start-Threshold (Vcc_UVLO_Start) 4.26 V
Vcc Stop-Threshold (Vcc_UVLO_Stop) 3.96 V
Vcc Hysteresis (Vcc-Hys) 0.3 V
Enable Start-Threshold (Enable_UVLO_Start) 1.2 V
Enable Stop-Threshold (Enable_UVLO_Stop) 1.0 V
Enable Hysteresis (Enable_Hys) 0.2 V
Enable Leakage Current (Ien) 18 µA
Storage Temperature Range 150 °C
Junction Temperature Range 150 °C

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Our go-to options for small to medium items are USPS Ground Advantage and USPS Priority Mail, known for their reliable tracking and peace of mind.

Smaller items might qualify for USPS First Class Mail. Contact us to discuss this option before purchasing.

Note: This method is less recommended due to the potential for delays.

Return Policy

We offer a 30-day return policy, no questions asked. If you choose to provide a reason for the return, it will assist us in improving and fix the issue.

Packaging

Our items are packaged according to their needs—some in ESD bags with pins secured in protective sponge, others in foam-enclosed boxes. For larger quantities, options include broken tubes for transistors or cartons. We welcome your suggestions for packaging preferences.

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Some products may include pre-installed firmware or software. However, Sofitrek does not guarantee the presence, compatibility, or the revision level of such firmware or software as suitable for your specific application. Furthermore, Sofitrek expressly disclaims any representation regarding your right or ability to download, obtain, or install any firmware or software for the products from any source, including the original manufacturers or their distributors.
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