onsemi NCP5010
The NCP5010 is a fixed frequency PWM boost converter with integrated rectification optimized for constant current applications such as driving white LEDs. This device features small size, minimal external components and high−efficiency for use in portable applications and is capable of providing up to 500 mW output power to 2−5 series connected white LEDs. The device includes True−Cutoff circuitry to disconnect the load from the battery when the device is put into standby mode.| Part No. | NCP5010 |
|---|---|
| Datasheet | NCP5010 Download |
| Manufacturer |  onsemi |
| Description | Boost Converter |
| Buy | Stock & Price |
FEATURES
MARKING DIAGRAM A1 8−Pin Flip−Chip FC SUFFIX 1 CASE 499AJ DAXG AYWW DAX G A Y WW = Specific Device Code = Pb−Free Package = Assembly Location = Year = Work Week● 2.7 to 5.5 V Input Voltage Range
● Efficiency: 84% for 5 LED (VF = 3.5 V by LED) at 30 mA and 4.2 V VIN
● Low Noise 1 MHz PWM DC−DC Converter
● Open LED Protection and Short Circuit Protection
● Serial LEDs Architecture for Uniform Current Matching
● 1 mA Shutdown Current Facility with True−Cutoff
● Very Small 8−Pin Flip−Chip 1.7 x 1.7 mm Package
● This is a Pb−Free Device PIN CONNECTIONS A1 A2 A3 AGND CTRL NC B1 B3 VIN FB C1 C2 C3 VOUT SW PGND Typical
APPLICATIONS
Top View● White LED Backlighting for Small Color LCD Displays
● Cellular Phones
● Digital Cameras
● MP3 Players
● High Efficiency Step−up Converter ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 16 of this data sheet. 90 80 VOUT = 5 LED (18 V) EFFICIENCY (%) 70 VOUT = 3 LED (11 V) 60 50 40 30 20 10 VIN = 4.2 V 0 1 10 100 IOUT (mA) Figure 1.
