Features: ` Drives up to 6 LED's @ 25mA` Drives up to 8 LED's @ 20mA` High Output Voltage: Up to 34V` Optimized for Single Supply, 2.7V - 4.2V Applications` Operates Down to 1V` High Efficiency: Greater Than 75%` Low Quiescent Current: 20A` Ultra Low Shutdown Current: 10nA` Single Battery Cell Ope...
SP6691: Features: ` Drives up to 6 LED's @ 25mA` Drives up to 8 LED's @ 20mA` High Output Voltage: Up to 34V` Optimized for Single Supply, 2.7V - 4.2V Applications` Operates Down to 1V` High Efficiency: Gre...
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VIN .......................................................................................................... 15V
SW Voltage ................................................................................. -0.4 to 34V
FB Voltage ............................................................................................. 2.5V
All other pins .................................................................... -0.3 to VIN + 0.3V
Current into FB ................................................................................... ±1mA
TJ Max ............................................................................................... 125°C
Operating Temperature Range ........................................... -40°C to 85°C
Peak Output Current < 10us SW ....................................................... 500mA
Storage Temperature ...................................................... -65°C to +150°C
Power Dissipation. ............................................................................ 200mW
Lead Temperature (Soldering, 10 sec) .............................................. 300°C
ESD Rating ...................................................................................... 2kV HBM
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
| Specifications | |
| App | Backlight |
| CH | 1 |
| Iout(mA) | 225 |
| Vin MIN. (V) | 1 |
| Vin MAX. (V) | 13.5 |
| IQ (A) | 20 |
| Vout MIN. (V) | 2 |
| Vout MAX. (V) | 30 |
| Efficiency(%) | 75 |
The SP6691 is a micro power boost regulator that is specifically designed for powering series configuration white LED. The part utilizes fixed off time architecture and consumes only 10nA quiescent current in shutdown. Low voltage operation, down to 1V, fully utilizes maximal battery life. The SP6691 is offered in a 8 Pin DFN, 5-pin SOT-23 or 5 Pin TSOT package and enables the construction of a complete regulator occupying < 0.2 in2 board space.