ISL91127IINZ-T7A
IC REG BCK BST 3.3V 2.1A 20WLCSP
Pmic Voltage Regulators Dc Dc Switching Regulators
20-UFBGA, WLCSP
Active
$2.47 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Renesas Electronics America Inc |
| Model | ISL91127IINZ-T7A |
| Package / Case | 20-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Topology | Buck-Boost |
| Voltage - Input (Min) | 1.8V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 3.3V |
| Current - Output | 2.1A |
| Frequency - Switching | 2.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 20-WLCSP (2.15x1.74) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
ISL91127IINZ-T7A by Renesas Electronics America Inc is a Buck-Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 3.3V. The 20-UFBGA, WLCSP 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-Up/Step-Down |
| Topology | Buck-Boost |
| Output Type | Fixed |
| Current - Output | 2.1A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 2.5MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 1.8V |
| Voltage - Output (Min/Fixed) | 3.3V |
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