natlinear LN2114
The LN2114 is available in the 16-pin quad QFN package, and the LN2113 is available in the 12-pin TSOPJW package. LN2113/4 High Efficiency 1.5X Fractional Charge Pumps For White LED Applications ■ General Description The LN2113 and LN2114 are low noise, constant frequency charge pump DC/DC converters that use fractional (1.5X) conversion to increase efficiency in white LED applications.| Part No. | LN2114 |
|---|---|
| Datasheet | LN2114 Download |
| Manufacturer | natlinear |
| Description | High Efficiency 1.5X Fractional Charge Pumps |
| Buy | Stock & Price |
FEATURES
● LN2113: four outputs● LN2114: six outputs
● 20mA full-scale current
● 32-position logarithmic scale with digital control
● Low noise constant frequency operation
● 33% less input current than doubler charge pump
● High accuracy brightness matching
● Vin range: 2.7v to 5.5v
● IQ <1μa in shutdown
● 16-pin QFN, 12-pin TSOPJW package
● Simple serial interface
● Automatic soft start
● Small application circuit
● No inductors
● Regulated output current
● 600KHz switching frequency
●
APPLICATIONS
● LCD backlighting● MP3/MP4 player
● PDA、Notebook
● Digital camera
● Programmable current source
● Package
● TSOPJW-12 (LN2113)
● QFN4×4-16 (LN2114) Function Six diode outputs, 20mA full scale. Four diode outputs, 20mA full scale. Rev.1.0 — June. 9, 2011 1
● Pin Configuration C2+ 1 OUT 2 C1- 3 C1+ 4 D4 5 D3 6 12 C211 GND 10 VIN 9 EN/SET 8 D1 7 D2 LN2113(TSOPJW-12) LN2113/4 D1 EN/SET VIN NC 16 15 14 13 D2 1 12 GND D3 2 11 C2- D4 3 10 C2+ D5 4 9 OUT 5678 D6 C1+ C1- NC LN2114(QFN4*4-16)
● P...
