For Reference Only
| Part Number | ISL9443IRZ |
| LIXINC Part # | ISL9443IRZ |
| Manufacturer | Rochester Electronics |
| Category | Integrated Circuits › PMIC - Voltage Regulators - 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 | Jan 24 - Jan 28 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | ISL9443IRZ |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Manufacturer: | Rochester Electronics |
| Series: | - |
| Package: | Tube |
| Part 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) |
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| In Stock | 11547 - 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 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.