MAX685ETG+
IC REG BOOST ADJ 440MA DL 24TQFN
Pmic Voltage Regulators Dc Dc Switching Regulators
24-WFQFN Exposed Pad
Active
$8.90 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Analog Devices Inc./Maxim Integrated |
| Model | MAX685ETG+ |
| Package / Case | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Boost |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | -1.27V, 2.7V |
| Current - Output | 440mA (Switch) |
| Frequency - Switching | 220kHz, 400kHz |
| Number of Outputs | 2 |
| Supplier Device Package | 24-TQFN (4x4) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MAX685ETG+ by Analog Devices Inc./Maxim Integrated is a Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output -1.27V, 2.7V. The 24-WFQFN 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 |
| Topology | Boost |
| Output Type | Adjustable |
| Current - Output | 440mA (Switch) |
| Number of Outputs | 2 |
| Output Configuration | Positive and Negative (Dual Rail) |
| Frequency - Switching | 220kHz, 400kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 2.7V |
| Voltage - Output (Max) | 24V, -9V |
| Voltage - Output (Min/Fixed) | -1.27V, 2.7V |
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