LP3947ISD-09
IC BATT CHG PWR SUP SUPPORT CIRC

Pmic Battery Chargers
14-WFDFN Exposed Pad
Active
$1.47 / unit (market reference)
MOQ: 205 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | LP3947ISD-09 |
| Package / Case | 14-WFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 14-WSON (4x4) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LP3947ISD-09 by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. 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
| Interface | I²C, USB |
| Number of Cells | 1 |
| Fault Protection | Over Voltage |
| Battery Chemistry | Lithium Ion |
| Current - Charging | Constant - Programmable |
| Battery Pack Voltage | 4.1V |
| Charge Current - Max | 750mA |
| Voltage - Supply (Max) | 6V |
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