LT3581HDE#PBF
IC REG MULT CONFG ADJ 3.3A 14DFN
Pmic Voltage Regulators Dc Dc Switching Regulators
14-WFDFN Exposed Pad
Active
$7.97 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Analog Devices Inc. |
| Model | LT3581HDE#PBF |
| Package / Case | 14-WFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Boost, Charge Pump, Cuk, Flyback, SEPIC |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 22V |
| Voltage - Output | 1.215V |
| Current - Output | 3.3A (Switch) |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 14-DFN (4x3) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LT3581HDE#PBF by Analog Devices Inc. is a Boost, Charge Pump, Cuk, Flyback, SEPIC IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 22V, output 1.215V. The 14-WFDFN 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-Up, Step-Up/Step-Down |
| Topology | Boost, Charge Pump, Cuk, Flyback, SEPIC |
| Output Type | Adjustable |
| Current - Output | 3.3A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 22V |
| Voltage - Input (Min) | 2.5V |
| Voltage - Output (Max) | 42V (Switch) |
| Voltage - Output (Min/Fixed) | 1.215V |
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