Part Number
|
MAX1916 |
Manufacturer
|
Maxim |
Description
|
Low-Dropout / Constant-Current Triple White LED Bias Supply |
Published
|
May 6, 2005 |
Detailed Description
|
19-2067; Rev 0; 7/01
Low-Dropout, Constant-Current Triple White LED Bias Supply
General Description
The MAX1916 low-dro...
|
Datasheet
|
MAX1916
|
Overview
19-2067; Rev 0; 7/01
Low-Dropout, Constant-Current Triple White LED Bias Supply
General Description
The MAX1916 low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs.
The MAX1916 uses a single resistor to set the bias current for three LEDs, which are matched to 0.
3%.
The MAX1916 consumes only 40µA of supply current when enabled and 0.
05µA when disabled.
The MAX1916’s advantages over ballast resistors include significantly better LED-to-LED bias matching, much lower bias variation with supply voltage variation, significantly lower dropout voltage, and in some applications, significantly improved effici...
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