Renesas Electronics America Inc40-VFQFN Exposed PadRoHS
ISL9444IRZ-T7A
IC REG CTRLR BUCK 40QFN
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Controllers
Package
40-VFQFN Exposed Pad
Status
Active
Datasheet
$6.78 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
✅ 365-Day Warranty🚚 Global Shipping
Parameters
| Parameter | Value |
|---|---|
| Brand | Renesas Electronics America Inc |
| Model | ISL9444IRZ-T7A |
| Package / Case | 40-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Buck |
| Frequency - Switching | 200kHz ~ 1.2MHz |
| Number of Outputs | 3 |
| Supplier Device Package | 40-QFN (5x5) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
ISL9444IRZ-T7A by Renesas Electronics America Inc is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 40-VFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Clock Sync | Yes |
| Output Type | Transistor Driver |
| Output Phases | 2 |
| Control Features | Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, Tracking |
| Number of Outputs | 3 |
| Output Configuration | Positive |
| Frequency - Switching | 200kHz ~ 1.2MHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
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