NCP5005: LED Driver, Boost, Compact Backlight
The NCP5005 is high efficiency boost converter operating in current loop, based on a PFM mode, to drive White LED. The current mode regulation allows a uniform brightness of the LEDs. The chip has been optimized for small ceramic capacitors, capable to supply up to 1.0 W output power.
Features- 2.7 to 5.5 V Input Voltage Range
- Vout to 24 V Output Compliance allows up to 5 LEDs drive in Series
- Buil-in Overvoltage protection
- Full EMI Immunity
- Inductor Based Converter brings up to 90% Efficiency
- Constant Output Current regulation
- 0.3 µA Stand By Quiescent Current
- Includes Dimming Function (PWM)
- Enable Function Driven Directly from Low Battery Voltage Source
- Automatic LEDs Current Matching
- Thermal Shutdown Protection
- All Pins are Fully ESD Protected
- Low EMI Radiation
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Applications- LED Display Back Light Control
- Keyboard Back Light
- High Efficiency Step up Converter
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Application Notes (1)
Package Drawings (1)
| Document Title | Document ID/Size | Revision |
|---|
| TSOP-5 | 483 (32.5kB) | M |
Data Sheets (1)
Evaluation Board Documents (4)
Evaluation/Development Tool Information
| Product | Status | Compliance | Short Description |
|---|
| NCP5005GEVB | Active | Pb-free | 22 V Low EMI White LED Boost Driver Evaluation Board |
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| NCP5005SNT1G | Active | Pb-free
Halide free | TSOP-5 / SOT-23-5 | 483 | 1 | Tape and Reel | 3000 | $0.4 |
Specifications
| Product | Topology | VIN Min (V) | VIN Max (V) | VO Max (V) | IO Max (mA) | fSW Typ (kHz) |
|---|
| NCP5005SNT1G | Step-Up | 2.7 | 20 | 22 | 50 | 1200 |
