For Reference Only
| Part Number | ISL9443IRZ |
| Manufacturer | Intersil |
| Category | Integrated Circuits (ICs) › DC DC Switching Controllers |
| Description | SWITCHING CONTROLLER |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | ISL9443IRZ PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | ISL9443IRZ |
| Brand: | Intersil |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | DC DC Switching Controllers |
| Manufacturer: | Intersil |
| Product Status: | Obsolete |
| Output Type: | Transistor Driver |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Number of Outputs: | 3 |
| Output Phases: | 2 |
| Voltage - Supply (Vcc/Vdd): | 4.5V ~ 28V |
| Frequency - Switching: | 600kHz ~ 1.2MHz |
| Duty Cycle (Max): | - |
| Synchronous Rectifier: | Yes |
| Clock Sync: | Yes |
| Serial Interfaces: | - |
| Control Features: | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 32-VFQFN Exposed Pad |
| Supplier Device Package: | 32-QFN (5x5) |
| LTC3805EDD#PBF | IC REG CTRLR FLYBACK 10DFN | 23455 More on Order |
|
| UC3843AD1G | UC3843 CURRENT-MODE PWM CONTROLL | 33707 More on Order |
|
| LTC3803ES6-5#TRPBF | IC REG CTRLR FLYBACK TSOT23-6 | 28373 More on Order |
|
| IPM6210ACA-T | DUAL SWITCHING CONTROLLER | 40049 More on Order |
|
| ISL6522BIB | SWITCHING CONTROLLER | 47782 More on Order |
|
| R1211D102C-TR-FE | PWM STEP-UP DCDC CONTROLLER | 76935 More on Order |
|
| R1223N152F-TR-FE | 13.2V INPUT PWM/VFM STEP-DOWN DC | 47615 More on Order |
|
| LTC3863MPDE#TRPBF | IC REG CTRLR BUCK 12DFN | 8684 More on Order |
|
| MIC38HC45-1BN | CURRENT-MODE PWM CONTROLLER | 41864 More on Order |
|
| LTC1649CS | IC REG CTRLR BUCK 16SOIC | 5837 More on Order |
|
| MAX1846EUB+T | IC REG CTRLR FLYBACK 10UMAX | 24390 More on Order |
|
| LTC3883IUH#WPBF | 1X PHBUCK DC/DC CNTR W/ DIG PWR | 8613 More on Order |
| In Stock | 19890 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $5.98000 | $5.98 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.