|
|
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LM3549SQX/NOPB
|
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LM3549SQE/NOPB
|
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LMZ22003TZE/NOPB
|
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LMZ10504EXTTZX/NOPB
|
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LM3450MTX/NOPB
|
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LMZ14203HTZE/NOPB
|
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SM72238TD-5.0/NOPB
|
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SM72485MM/NOPB
|
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SM72485SDX/NOPB
|
Texas Instruments
LP8553TLX/NOPB
|
| Price |
|
|
|
$8.54 |
$15.59 |
|
$15.49 |
|
|
|
$0.94 |
| RoHS |
|
Yes |
Compliant |
Compliant |
Compliant |
Yes |
Compliant |
Yes |
Compliant |
Yes |
Yes |
| Lead Status |
|
Yes |
No |
No |
No |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Package Group |
|
WQFN |
WQFN |
|
|
TSSOP |
|
|
VSSOP,WSON |
VSSOP,WSON |
DSBGA |
| LED Configuration |
|
Parallel |
Parallel |
|
|
|
|
|
|
|
|
| Rating |
|
Catalog |
Catalog |
|
|
Catalog |
|
|
Catalog |
Catalog |
Catalog |
| Package Size |
|
mm2 |
mm2 |
mm2 |
mm2 |
mm2 |
mm2 |
|
|
|
mm2 |
| Approx. Price (US$) |
|
2.67 | 1ku |
2.67 | 1ku |
5.23 | 1ku |
12.80 | 1ku |
0.60 | 1ku |
8.50 | 1ku |
|
0.95 | 1ku |
0.95 | 1ku |
0.82 | 1ku |
| Program Memory |
|
Yes |
Yes |
|
|
|
|
|
|
|
|
| Programmable Ramp Control |
|
Yes |
Yes |
|
|
|
|
|
|
|
|
| Vin(Min)(V) |
|
2.7 |
2.7 |
6 |
2.95 |
85 |
6 |
|
6 |
6 |
2.7 |
| Vin(Max)(V) |
|
5.5 |
5.5 |
20 |
5.5 |
20 |
42 |
|
95 |
95 |
22 |
| LED(#) |
|
3 |
3 |
|
|
|
|
|
|
|
40 |
| LED Current Per Channel(mA) |
|
235 |
235 |
|
|
|
|
|
|
|
50 |
| Peak Efficiency(%) |
|
95 |
95 |
|
|
|
|
|
|
|
93 |
| Iout(Max)(A) |
|
0.720 |
0.720 |
3 |
4 |
2 |
3 |
|
0.15 |
0.15 |
|
| Shutdown Current(Typ)(uA) |
|
1 |
1 |
|
|
|
|
|
|
|
1 |
| Special Features |
|
I2C Control |
I2C Control |
EMI Tested,Enable,Frequency Synchronization,Tracking |
Enable |
Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown |
EMI Tested,Enable,Tracking |
|
Enable |
Enable |
PWM Control |
| Iq(Typ)(mA) |
|
1.6 |
1.6 |
|
1.7 |
1.6 |
|
|
0.485 |
0.485 |
|
| Vout(Max)(V) |
|
4.6 |
4.6 |
6 |
5 |
60 |
24 |
|
85 |
85 |
40 |
| Operating Temperature Range(C) |
|
-30 to 85 |
-30 to 85 |
-40 to 85 |
-40 to 85 |
-40 to 125 |
-40 to 125 |
|
-40 to 125 |
-40 to 125 |
-30 to 85 |
| Topology |
|
Boost |
Boost |
|
|
Boost,Flyback |
|
|
|
|
Boost |
| Channels(#) |
|
3 |
3 |
|
|
|
|
|
|
|
4 |
| Switching Frequency(Min)(kHz) |
|
|
|
650 |
700 |
60 |
200 |
|
|
|
|
| Package Type |
|
|
|
Leaded |
Leaded |
|
Leaded |
|
|
|
|
| Vout(Min)(V) |
|
|
|
0.8 |
0.8 |
9 |
5 |
|
2.5 |
2.5 |
10 |
| Regulated Outputs(#) |
|
|
|
1 |
1 |
1 |
1 |
|
|
|
|
| Soft Start |
|
|
|
Adjustable |
Adjustable |
|
Adjustable |
|
|
|
|
| Switching Frequency(Max)(kHz) |
|
|
|
950 |
1160 |
120 |
1000 |
|
600 |
600 |
1250 |
| Switching Frequency(Typ)(kHz) |
|
|
|
|
1000 |
|
800 |
|
|
|
|
| Dimming Method |
|
|
|
|
|
Forward Phase (Triac),Reverse Phase |
|
|
|
|
|
| Vref(V) |
|
|
|
|
|
0.2 |
|
|
|
|
|
| Type |
|
|
|
|
|
Inductive |
|
|
Converter |
Converter |
Inductive |
| Power Factor Correction(Min) |
|
|
|
|
|
Active |
|
|
|
|
|
| Input Voltage(Type) |
|
|
|
|
|
AC/DC |
|
|
|
|
|
| Duty Cycle(Max)(%) |
|
|
|
|
|
|
|
|
99 |
99 |
100 |
| Control Mode |
|
|
|
|
|
|
|
|
Constant on-time (COT) |
Constant on-time (COT) |
|
