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|
Texas Instruments
TL2843BDRG4-8
|
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TL2843DR
|
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TL2845DRG4
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TPS2030DG4
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TPS2054BDG4
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TPS2044BDG4
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TPS2021DG4
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LM25037QMTX/NOPB
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LM5037MTX/NOPB
|
Texas Instruments
TL494IDRG4
|
| Price |
|
$0.44 |
$0.57 |
$0.36 |
|
|
|
$1.57 |
|
|
$0.20 |
| RoHS |
|
Compliant |
Yes |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Yes |
Compliant |
Compliant |
| Lead Status |
|
No |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
No |
No |
| Duty Cycle(Max)(%) |
|
100 |
100 |
50 |
|
|
|
|
|
96 |
45 |
| Operating Temperature Range(C) |
|
-40 to 85 |
-40 to 85 |
-40 to 85 |
|
-40 to 85 |
-40 to 85 |
-40 to 85 |
-40 to 125 |
-40 to 125 |
-40 to 85,0 to 70 |
| Rating |
|
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Automotive |
Catalog |
Catalog |
| Approx. Price (US$) |
|
0.39 | 1ku |
0.29 | 1ku |
0.31 | 1ku |
0.95 | 1ku |
1.00 | 1ku |
1.10 | 1ku |
0.95 | 1ku |
1.48 | 1ku |
1.47 | 1ku |
0.17 | 1ku |
| Vin(Min)(V) |
|
9 |
9 |
9 |
2.7 |
2.7 |
2.7 |
2.7 |
5.5 |
13 |
7 |
| UVLO Thresholds On/Off(V) |
|
8.4/7.6 |
8.4/7.6 |
8.4/7.6 |
|
|
|
|
|
|
N/A |
| Package Group |
|
SOIC,PDIP |
PDIP,SOIC |
PDIP,SOIC |
PDIP,SOIC |
SOIC |
SOIC |
PDIP,SOIC |
TSSOP |
TSSOP |
PDIP,SO,SOIC,TSSOP |
| Vin(Max)(V) |
|
30 |
30 |
30 |
5.5 |
5.5 |
5.5 |
5.5 |
75 |
100 |
40 |
| Frequency(Max)(kHz) |
|
500 |
500 |
500 |
|
|
|
|
2000 |
2000 |
300 |
| Special Features |
|
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
|
|
|
|
Multi-topology,Synchronization Pin |
Multi-topology,Synchronization Pin |
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
| Topology |
|
Boost,Flyback,Forward |
Boost,Flyback,Forward |
Boost,Flyback,Forward |
|
|
|
|
Full-Bridge,Half-Bridge,Push-Pull |
Full-Bridge,Half-Bridge,Push-Pull |
Boost,Buck,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull |
| Control Method |
|
Current |
Current |
Current |
|
|
|
|
Current,Feedforward,Voltage |
Current,Feedforward,Voltage |
Voltage |
| USB Switch rDS(on)(mOhms) |
|
|
|
|
33 |
70 |
70 |
33 |
|
|
|
| Continuous Current(Max)(A) |
|
|
|
|
0.2 |
0.5 |
0.5 |
0.6 |
|
|
|
| Current Limit Topology |
|
|
|
|
Constant-Current |
Constant-Current |
Constant-Current |
Constant-Current |
|
|
|
| Number of Switches |
|
|
|
|
1 |
4 |
4 |
1 |
|
|
|
| Package Size |
|
|
|
|
mm2 |
mm2 |
mm2 |
mm2 |
|
|
|
| Enable |
|
|
|
|
Active High |
Active High |
Active Low |
Active Low |
|
|
|
| Frequency(Min)(kHz) |
|
|
|
|
|
|
|
|
50 |
50 |
|
| Gate Drive(Typ)(A) |
|
|
|
|
|
|
|
|
1.2 |
1.2 |
|
