We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information.

Register or Sign In
Power Circuits / Switching Regulator or Controllers / ISL78234ARZ
Datasheets
ISL78234ARZ by:
Intersil Corporation
Intersil Corporation
Renesas Electronics Corporation
Not Found

4A Compact Synchronous Buck Regulator; TQFN16, WFQFN16; Temp Range: -40° to 125°C

Part Details for ISL78234ARZ by Intersil Corporation

Results Overview of ISL78234ARZ by Intersil Corporation

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

ISL78234ARZ Information

ISL78234ARZ by Intersil Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Part Details for ISL78234ARZ

ISL78234ARZ CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

ISL78234ARZ Part Data Attributes

Parametric Data
ISL78234ARZ Intersil Corporation
Buy Now Datasheet
Compare Parts:
ISL78234ARZ Intersil Corporation 4A Compact Synchronous Buck Regulator; TQFN16, WFQFN16; Temp Range: -40° to 125°C
Select a part to compare:
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer INTERSIL CORP
Part Package Code TQFN, WFQFN
Pin Count 16, 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 26 Weeks
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
JESD-30 Code S-PQCC-N16
JESD-609 Code e3
Moisture Sensitivity Level 3
Number of Terminals 16
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 4 A
Package Body Material PLASTIC/EPOXY
Package Code QCCN
Package Equivalence Code LCC16,.12SQ,20
Package Shape SQUARE
Package Style CHIP CARRIER
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Surface Mount YES
Switching Frequency-Max 2350 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30

ISL78234ARZ Related Parts

ISL78234ARZ Frequently Asked Questions (FAQ)

  • A good PCB layout is crucial for the ISL78234ARZ. Ensure that the input and output capacitors are placed close to the IC, and the high-current paths are short and wide. Use a solid ground plane and avoid routing high-frequency signals near sensitive analog nodes. Refer to the Intersil application note AN1321 for more detailed guidelines.

  • Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current rating. For output capacitors, select ones with low ESR, high capacitance, and a voltage rating that exceeds the output voltage. The datasheet recommends a minimum of 10uF for the input capacitor and 22uF for the output capacitor. Consult the capacitor manufacturer's datasheet for specific recommendations.

  • The ISL78234ARZ is rated for operation up to 125°C ambient temperature. However, the maximum junction temperature (TJ) is 150°C. Ensure that the device is properly heatsinked and the thermal design is adequate to keep the junction temperature below the maximum rating.

  • Oscillations can occur due to poor PCB layout, inadequate decoupling, or incorrect component selection. Check the PCB layout for any signs of resonance or noise coupling. Verify that the input and output capacitors are properly selected and placed. Ensure that the feedback network is correctly configured and the compensation components are properly selected. Consult the Intersil application note AN1321 for troubleshooting guidelines.

  • The ISL78234ARZ is an automotive-grade device, but it's essential to follow the recommended design and manufacturing guidelines to ensure high reliability. Consult the Intersil reliability report and the AEC-Q100 qualification document for more information. Additionally, perform thorough testing and validation to ensure the device meets the specific requirements of your application.