Semtech SC5010
High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
The SC5010 is an 8-channel high-precision, high-efficiency step-up (Boost) LED driver for backlight applications. It features wide input voltage range (4.5V to 27V) , fl exible output configuration, wide analog and PWM dimming range, phase shifting and fading. It also features video signal synchronization (VSYNC), I2C interface, and numerous protection features. An optional disconnect p-MOSFET provides true load disconnection and inrush current limiting.
Features
- VIN Range — 4.5V to 27V, VOUT Range — Up to 50V
- Step-up (Boost) Controller
- Excellent Transient Response
- Programmable Switching Frequency
- Linear Current Sinks
- 8 Strings, up to 30mA/String
- Current Matching ±1%
- Current Accuracy ±1.5%
- PWM Dimming
- String-by-String Phase Shifting
- Input Dimming Frequency 100Hz-30kHz
- User Selectable 9 or 10 Bits Dimming Resolution
- Optional Synchronization to VSYNC/HSYNC Signal
- 5-bit Analog Dimming
- Optional External p-MOSFET Disconnect Switch
- True Load Disconnect and Inrush Current Limiting
- I2C Interface
- Fault Status — Open/Short LED, UVLO, OTP
- Device Control — SYNC Freq, PLL Setting
- Protection Features
- Open/Shorted LED(s) and adjustable OVP
- Over-Temperature and UVLO Shutdown Protection
- 4 X 4(mm) 28-pin QFN Package
Applications
- Notebook PCs
- UMPC
- LCD Monitors
- Tablet PCs
Order Codes
- SC5010ULTRT - Lead-free, WEEE, RoHS compliant, and halogen-free. 3,000 pcs, tape and reel only.
Order Samples
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their products and speed up time-to-market.
For samples, use our Samples Request Form. Up to five free samples
may be requested.
Purchase
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Order Evaluation Boards
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Eval boards are readily available for most of our new and popular products. If you wish to request boards for other parts, simply type the part number in the “Select Part Number” field space of the order form. These will be subject to availability.
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