onsemi NCP9003
The NCP9003 is a 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.| Part No. | NCP9003 |
|---|---|
| Datasheet | NCP9003 Download |
| Manufacturer |  onsemi |
| Description | Compact Backlight LED Boost Driver |
| Buy | Stock & Price |
FEATURES
MARKING DIAGRAM 5 5 1 TSOP−5 SN SUFFIX CASE 483 DBNAYWG G 1● 2.7 to 5.5 V Input Voltage Range
● Vout to 24 V Output Compliance Allows up to 5 LEDs Drive in
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● Series Built−in Overvoltage Protection Full EMI Immunity Inductor Based Converter brings up to 90% Efficiency Constant Output Current Regulation 0.3 mA Standby 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 Pb−Free Package is Available DBN = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb−Free Package (Note: Microdot may be in either location) PIN CONNECTIONS Vout GND FB 1 2 3 (Top View) 4 EN 5 Vbat Typical
APPLICATIONS
● LED Display Back Light Control● Keyboard Back Light
● High Efficiency Step Up Converter ORDERING INFORMATION Device NCP9003SNT1G Package TSOP−5 (Pb−Free) Shipping† 3000 Tape & Reel...
