|
|
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LM3549SQE/NOPB
|
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LM3578AM/NOPB
|
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LM3578AMX/NOPB
|
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LM3533TME-40A/NOPB
|
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LM3686TLE-AAEF/NOPB
|
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LM3686TLE-AAED/NOPB
|
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LM3686TLX-AAEF/NOPB
|
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LM3280TLX/NOPB
|
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LM2588T-5.0
|
Texas Instruments
LM2588SX-ADJ/NOPB
|
| Price |
|
|
|
|
$1.69 |
|
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|
|
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| RoHS |
|
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Not Compliant |
Not Compliant |
| Lead Status |
|
No |
No |
No |
No |
No |
No |
No |
No |
No |
No |
| Package Group |
|
WQFN |
PDIP,SOIC |
PDIP,SOIC |
DSBGA |
DSBGA |
DSBGA |
DSBGA |
DSBGA |
DDPAK/TO-263,TO-220 |
DDPAK/TO-263,TO-220 |
| LED Configuration |
|
Parallel |
|
|
|
|
|
|
|
|
|
| Rating |
|
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
|
Catalog |
Catalog |
| Package Size |
|
mm2 |
|
|
mm2 |
|
|
|
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|
|
| Approx. Price (US$) |
|
2.67 | 1ku |
0.78 | 1ku |
0.78 | 1ku |
0.70 | 1ku |
0.40 | 1ku |
0.40 | 1ku |
0.40 | 1ku |
0.65 | 1ku |
4.25 | 1ku |
4.25 | 1ku |
| Program Memory |
|
Yes |
|
|
|
|
|
|
|
|
|
| Programmable Ramp Control |
|
Yes |
|
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|
|
|
|
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| Vin(Min)(V) |
|
2.7 |
2 |
2 |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
4 |
4 |
| Vin(Max)(V) |
|
5.5 |
40 |
40 |
5.5 |
5.5 |
5.5 |
5.5 |
5.5 |
40 |
40 |
| LED(#) |
|
3 |
|
|
25 |
|
|
|
|
|
|
| LED Current Per Channel(mA) |
|
235 |
|
|
30 |
|
|
|
|
|
|
| Peak Efficiency(%) |
|
95 |
|
|
88 |
|
|
|
|
|
|
| Iout(Max)(A) |
|
0.720 |
0.75 |
0.75 |
|
0.9 |
0.9 |
0.9 |
0.5 |
|
|
| Shutdown Current(Typ)(uA) |
|
1 |
|
|
1 |
|
|
|
|
|
|
| Special Features |
|
I2C Control |
|
|
OVP |
Synchronous Rectification |
Synchronous Rectification |
Synchronous Rectification |
Adjustable Output,Multiple Outputs |
Enable,Frequency Synchronization |
Enable,Frequency Synchronization |
| Iq(Typ)(mA) |
|
1.6 |
|
|
|
0.07 |
0.07 |
0.07 |
|
11 |
11 |
| Vout(Max)(V) |
|
4.6 |
|
|
40 |
3 |
3 |
3 |
3.6 |
60 |
60 |
| Operating Temperature Range(C) |
|
-30 to 85 |
0 to 125 |
0 to 125 |
-40 to 125 |
-30 to 85 |
-30 to 85 |
-30 to 85 |
-30 to 85 |
-40 to 125 |
-40 to 125 |
| Topology |
|
Boost |
Buck/Boost |
Buck/Boost |
Boost |
Buck |
Buck |
Buck |
Buck |
Boost,Flyback |
|
| Channels(#) |
|
3 |
|
|
7 |
|
|
|
|
|
|
| Type |
|
|
Converter |
Converter |
Inductive |
Converter (Integrated Switch) |
Converter (Integrated Switch) |
Converter (Integrated Switch) |
|
Converter (Integrated Switch) |
Converter |
| Vout(Min)(V) |
|
|
1 |
1 |
2.7 |
0.7 |
0.7 |
0.7 |
0.8 |
1.23 |
1.23 |
| Switching Frequency(Max)(kHz) |
|
|
|
|
1000 |
2550 |
2550 |
2550 |
|
200 |
125 |
| Duty Cycle(Max)(%) |
|
|
|
|
94 |
|
|
|
|
98 |
98 |
| Regulated Outputs(#) |
|
|
|
|
|
1 |
1 |
1 |
|
1 |
1 |
| Switch Current Limit(Typ)(A) |
|
|
|
|
|
1.22 |
1.22 |
1.22 |
|
6.5 |
6.5 |
| Soft Start |
|
|
|
|
|
Adjustable |
Adjustable |
Adjustable |
|
|
|
| Switching Frequency(Typ)(kHz) |
|
|
|
|
|
3000 |
3000 |
3000 |
2000 |
|
|
| Bypass |
|
|
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|
Bypass |
|
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| Brand |
|
|
|
|
|
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|
|
SIMPLE SWITCHER |
|
| Estimated Package Size (WxL)(mm2) |
|
|
|
|
|
|
|
|
|
[pf]7DDPAK/TO-263[/pf] |
|
| Switch Current Limit(Min)(A) |
|
|
|
|
|
|
|
|
|
5 |
5 |
| Switching Frequency(Min)(kHz) |
|
|
|
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|
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|
|
|
75 |
