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|
Sparkfun Electronics
LP55231
|
ON Semiconductor
NCP1840
|
Texas Instruments
LP55231SQX/NOPB
|
Texas Instruments
LP55231SQE/NOPB
|
Texas Instruments
LP55231SQEVM
|
Texas Instruments
LP55231SQE/NOPB .
|
Texas Instruments
LP55281
|
Texas Instruments
LP55271
|
Texas Instruments
LP5523
|
| Price |
|
|
|
|
|
|
|
|
|
|
| RoHS |
|
Not Compliant |
|
Compliant |
Compliant |
Not Compliant |
|
|
|
|
| Lead Status |
|
Yes |
|
No |
No |
No |
|
|
|
|
| Package Group |
|
|
|
WQFN |
WQFN |
|
|
|
|
|
| LED Configuration |
|
|
|
Parallel |
Parallel |
|
|
|
|
|
| Package Size |
|
|
|
mm2 |
mm2 |
|
|
|
|
|
| Vout(Max)(V) |
|
|
|
5.5 |
5.5 |
|
|
|
|
|
| LED Current Per Channel(mA) |
|
|
|
25.5 |
25.5 |
|
|
|
|
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| Rating |
|
|
|
Catalog |
Catalog |
|
|
|
|
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| Program Memory |
|
|
|
Yes |
Yes |
|
|
|
|
|
| Shutdown Current(Typ)(uA) |
|
|
|
0.2 |
0.2 |
|
|
|
|
|
| Programmable Ramp Control |
|
|
|
Yes |
Yes |
|
|
|
|
|
| Iout(Max)(A) |
|
|
|
0.0255 |
0.0255 |
|
|
|
|
|
| Vin(Max)(V) |
|
|
|
5.5 |
5.5 |
|
|
|
|
|
| Vin(Min)(V) |
|
|
|
2.7 |
2.7 |
|
|
|
|
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| Peak Efficiency(%) |
|
|
|
94 |
94 |
|
|
|
|
|
| Approx. Price (US$) |
|
|
|
0.75 | 1ku |
0.75 | 1ku |
|
|
|
|
|
| Channels(#) |
|
|
|
9 |
9 |
|
|
|
|
|
| Vout(Min)(V) |
|
|
|
2.7 |
2.7 |
|
|
|
|
|
| Special Features |
|
|
|
Analog/PWM Mixed Dimming,Constant Current,Current Control,I2C Control,Programmable Lighting Engines |
Analog/PWM Mixed Dimming,Constant Current,Current Control,I2C Control,Programmable Lighting Engines |
|
|
|
|
|
| LED(#) |
|
|
|
9 |
9 |
|
|
|
|
|
| Iq(Typ)(mA) |
|
|
|
0.8 |
0.8 |
|
|
|
|
|
| Operating Temperature Range(C) |
|
|
|
-30 to 85 |
-30 to 85 |
|
|
|
|
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| Topology |
|
|
|
Boost |
Boost |
|
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|
