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Hot-selling and scarce MP1518DG-LF-P Fixed Frequency White LED Driver QFN
Manufacturer Product Number
MP1518DG-LF-P
Description
MP1518DG-LF-P Fixed Frequency White LED Driver QFN
Package Condition
Tray
Datasheet
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Product Descriptions
The MP1518 is a step-up converter designed for driving up to 6 series white LEDs from a single cell Lithium Ion battery. The MP1518 uses current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low 104mV feedback voltage reduces power loss and improves efficiency. The OV pin monitors the output voltage and turns off the converter if an over-voltage condition is present due to an open circuit condition.
The MP1518 includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an output overload.
The MP1518 is available in small 6-pin TSOT23 or 8-pin QFN (2mm x 2mm) packages.
Also available is the MP1518DJE, ideal for applications where low EMI is critical.
Product Features
• On Board Power MOSFET
• Drives up to 6 Series White LEDs
• Up to 87 percent Efficiency
• Over 1MHz Fixed Switching Frequency
• Open Load Shutdown
• Low 104mV Feedback Voltage
• Soft-Start/PWM Dimming
• UVLO, Thermal Shutdown
• Internal Current Limit
• Available in TSOT23-6 and QFN8 Packages
Product Applications
• Cell Phones
• Handheld Computers and PDAs
• Digital Still Cameras
• Small LCD Displays
Product Specification
| Attribute | Attribute value |
| ANSM-Part# | ANSM-MP1518DG-LF-P |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| LED Drivers | |
| Manufacturer | - |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Digi-Reel® | |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 2.5V |
| Voltage - Supply (Max) | 6V |
| Voltage - Output | 25V |
| Current - Output / Channel | 350mA (Switch) |
| Frequency | 1.3MHz |
| Dimming | Analog, PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-TFDFN Exposed Pad |
| Supplier Device Package | 8-QFN (2x2) |
| Base Product Number | MP1518 |
Product Photos
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MP1518DG-LF-P Fixed Frequency White LED Driver QFN
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