|
|
Texas Instruments
LP55231
|
Texas Instruments
LP5520TLX/NOPB
|
Texas Instruments
LP5521TM/NOPB
|
Texas Instruments
LP5521YQ/NOPB
|
Texas Instruments
LP5522TMX/NOPB
|
Texas Instruments
LM95231CIMMX/NOPB
|
Texas Instruments
LP5527TL/NOPB
|
Texas Instruments
LP5553TLX/NOPB
|
Texas Instruments
LP5553TL/NOPB
|
Texas Instruments
LP5551SQ
|
| Price |
|
$1.81 |
|
|
|
$0.45 |
|
|
|
|
|
| RoHS |
|
|
Yes |
Yes |
Compliant |
Yes |
Compliant |
Compliant |
Compliant |
Compliant |
Not Compliant |
| Lead Status |
|
|
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
| Vin(Min)(V) |
|
|
2.9 |
2.7 |
2.7 |
2.7 |
|
3 |
|
|
|
| LED(#) |
|
|
18 |
3 |
3 |
1 |
|
5 |
|
|
|
| Program Memory |
|
|
No |
Yes |
Yes |
Yes |
|
|
|
|
|
| Package Size |
|
|
mm2 |
mm2 |
mm2 |
mm2 |
mm2 |
|
|
|
|
| Peak Efficiency(%) |
|
|
87 |
95 |
95 |
100 |
|
90 |
|
|
|
| Rating |
|
|
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
|
|
|
| Programmable Ramp Control |
|
|
No |
Yes |
Yes |
No |
|
|
|
|
|
| Vout(Min)(V) |
|
|
5 |
2.7 |
2.7 |
2.7 |
|
|
|
|
|
| Vin(Max)(V) |
|
|
5.5 |
5.5 |
5.5 |
5.5 |
|
5.5 |
|
|
|
| LED Current Per Channel(mA) |
|
|
60 |
25.5 |
25.5 |
20 |
|
|
|
|
|
| Approx. Price (US$) |
|
|
1.65 | 1ku |
0.40 | 1ku |
0.40 | 1ku |
0.40 | 1ku |
0.95 | 1ku |
1.80 | 1ku |
|
|
|
| Package Group |
|
|
DSBGA |
DSBGA,WQFN |
DSBGA,WQFN |
DSBGA |
VSSOP |
DSBGA |
|
|
|
| Shutdown Current(Typ)(uA) |
|
|
1 |
0.2 |
0.2 |
0.2 |
|
1 |
|
|
|
| Vout(Max)(V) |
|
|
20 |
5.5 |
5.5 |
5.5 |
|
5 |
|
|
|
| Special Features |
|
|
Analog/PWM Mixed Dimming,Constant Current,Current Control,I2C Control |
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 |
Constant Current |
One shot conversion control,Programmable conversion rate,Remote diode fault detection,Shutdown,Thermal diode input stage filtering |
I2C Control |
|
|
|
| LED Configuration |
|
|
Parallel,Series |
Parallel |
Parallel |
Single |
|
Parallel |
|
|
|
| Iq(Typ)(mA) |
|
|
0.9 |
1.5 |
1.5 |
0.04 |
|
|
|
|
|
| Iout(Max)(A) |
|
|
0.18 |
0.0765 |
0.0765 |
0.020 |
|
1 |
|
|
|
| Operating Temperature Range(C) |
|
|
-30 to 85 |
-30 to 85 |
-30 to 85 |
-30 to 85 |
0 to 85 |
-30 to 85 |
|
|
|
| Topology |
|
|
Boost |
Boost |
Boost |
Linear |
|
|
|
|
|
| Channels(#) |
|
|
3 |
3 |
3 |
1 |
|
5 |
|
|
|
| Remote Temp Resolution(Max)(bits) |
|
|
|
|
|
|
13 |
|
|
|
|
| Interface |
|
|
|
|
|
|
I2C,SMBus |
|
|
|
|
| Supply Voltage(Max)(V) |
|
|
|
|
|
|
3.6 |
|
|
|
|
| Supply Voltage(Min)(V) |
|
|
|
|
|
|
3 |
|
|
|
|
| Remote Channel |
|
|
|
|
|
|
2 |
|
|
|
|
| Remote Sensor Correction |
|
|
|
|
|
|
Beta Compensation,TruTherm |
|
|
|
|
| Supply Current(Typ)(uA) |
|
|
|
|
|
|
402 |
|
|
|
|
| Temp Resolution(Max)(bits) |
|
|
|
|
|
|
10 |
|
|
|
|
| Remote Diode Temp Range for Listed Accuracy(C) |
|
|
|
|
|
|
45 to 85 |
|
|
|
|
| Remote Sensor Accuracy(Max)(+/- C) |
|
|
|
|
|
|
0.75 |
|
|
|
|
| Local Sensor Accuracy(Max)(+/- C) |
|
|
|
|
|
|
3 |
|
|
|
|
