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High Efficiency Adaptive Charge pump 5V Boost
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General Description
The FAN5665 is a 5V switched capacitor step-up DC/DC converter with an input voltage range from 2.9V to 5.5V.
Switch reconfiguration and fractional switching techniques are utilized to achieve high efficiency over the entire input voltage range.
The FAN5665 includes built-in under-voltage lockout, short circuit, and thermal protection circuitry.
The FAN5665 is available in an 8-bump 0.4mm pitch WLCSP package.
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Features
- 5V Fixed Output Voltage
- 30mA Maximum Output Current
- Built-in Charge Pump with Three Modes of Operation: 1x, 1.5x, and 2x
- Minimum External Components
- Flying Capacitors Only 0.22µF
- Low-noise, Constant-frequency Operation (1.2MHz) at Heavy Loads
- High-efficiency, Low-frequency Operation at Light Loads
- Low Quiescent Current
- Up to 92% Efficiency
- 2.9V to 5.5V Input Voltage Range
- Soft-start for Limiting Inrush Current
- Input Under-Voltage Lockout Protection (UVLO)
- Short-Circuit Protection (SCP)
- Thermal Shutdown Protection (TSD)
- 8-bump 1.21 x 1.21mm, 0.4mm Pitch WLCSP
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Applications
- USB I/O Supply Regulators
- Cell Phones, Smart-Phones
- Pocket PCs
- PDA, DSC, PMP, and MP3 Players
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Datasheet
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Product Status/Pricing/Packaging
| FAN5665UCX | Full Production | Green | $0.82 | WL-CSP | 8 | TAPE REEL
| | Line 1: C2&K
Line 2: &.&2&Z
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* Fairchild 1,000 piece Budgetary Pricing
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| ** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples |
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Qualification Support
Click on a product for detailed qualification data
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Eco Status