|
|
Texas Instruments
TPS51220RHBT
|
Texas Instruments
TPS53015DGS
|
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TPS53128PWR
|
Texas Instruments
TPS2021DG4
|
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TPS2020IDRQ1
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TPS40071PWPG4
|
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TPS40054PWPRG4
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Texas Instruments
LM25037QMTX/NOPB
|
Texas Instruments
LM5037MTX/NOPB
|
Texas Instruments
UCC3960D
|
| Price |
|
|
$2.10 |
$3.17 |
$1.57 |
|
$3.11 |
|
|
|
$2.54 |
| RoHS |
|
Yes |
Compliant |
Yes |
Compliant |
Yes |
Compliant |
Compliant |
Yes |
Compliant |
Yes |
| Lead Status |
|
Yes |
No |
Yes |
No |
Yes |
No |
No |
Yes |
No |
Yes |
| Package Group |
|
VQFN |
VSSOP |
TSSOP,VQFN |
PDIP,SOIC |
SOIC |
|
HTSSOP |
TSSOP |
TSSOP |
PDIP,SOIC |
| Switching Frequency(Min)(kHz) |
|
200 |
500 |
350 |
|
|
|
100 |
|
|
|
| Vin(Min)(V) |
|
4.5 |
4.5 |
4.5 |
2.7 |
2.7 |
|
8 |
5.5 |
13 |
16 |
| Operating Temperature Range(C) |
|
-40 to 85 |
-40 to 85 |
-40 to 85 |
-40 to 85 |
-40 to 85 |
|
-40 to 85 |
-40 to 125 |
-40 to 125 |
0 to 70 |
| Rating |
|
Catalog |
Catalog |
Catalog |
Catalog |
Automotive |
|
Catalog |
Automotive |
Catalog |
Catalog |
| Vout(Max)(V) |
|
12 |
7 |
5.5 |
|
|
|
35 |
|
|
|
| Switching Frequency(Max)(kHz) |
|
1000 |
500 |
350 |
|
|
|
1000 |
|
|
|
| Approx. Price (US$) |
|
2.25 | 1ku |
0.90 | 1ku |
1.70 | 1ku |
0.95 | 1ku |
1.10 | 1ku |
|
1.55 | 1ku |
1.48 | 1ku |
1.47 | 1ku |
1.40 | 1ku |
| Type |
|
Controller |
Controller |
Controller |
|
|
|
Controller (External Switch) |
|
|
|
| Iq(Typ)(mA) |
|
1.3 |
0.66 |
0.45 |
|
|
|
1.5 |
|
|
|
| Vin(Max)(V) |
|
28 |
28 |
24 |
5.5 |
5.5 |
|
40 |
75 |
100 |
19 |
| Regulated Outputs(#) |
|
2 |
1 |
2 |
|
|
|
1 |
|
|
|
| Iout(Max)(A) |
|
20 |
25 |
15 |
|
|
|
20 |
|
|
|
| Vout(Min)(V) |
|
1 |
0.76 |
0.76 |
|
|
|
0.7 |
|
|
|
| Duty Cycle(Max)(%) |
|
99 |
83 |
89 |
|
|
|
85 |
|
96 |
72 |
| Special Features |
|
Enable,Frequency Synchronization,Light Load Efficiency,Phase Interleaving,Power Good,Synchronous Rectification |
Enable,Light Load Efficiency,Power Good,Pre-Bias Start-Up,Synchronous Rectification |
Enable,Light Load Efficiency,Pre-Bias Start-Up,Synchronous Rectification |
|
|
|
Enable,Frequency Synchronization,Synchronous Rectification |
Multi-topology,Synchronization Pin |
Multi-topology,Synchronization Pin |
|
| Enable |
|
|
|
|
Active Low |
Active Low |
|
|
|
|
|
| USB Switch rDS(on)(mOhms) |
|
|
|
|
33 |
33 |
|
|
|
|
|
| Continuous Current(Max)(A) |
|
|
|
|
0.6 |
0.2 |
|
|
|
|
|
| Current Limit Topology |
|
|
|
|
Constant-Current |
Constant-Current |
|
|
|
|
|
| Number of Switches |
|
|
|
|
1 |
1 |
|
|
|
|
|
| Package Size |
|
|
|
|
mm2 |
mm2 |
|
|
|
|
|
| Estimated Package Size (WxL)(mm2) |
|
|
|
|
|
|
|
[pf]16HTSSOP[/pf] |
|
|
|
| Topology |
|
|
|
|
|
|
|
Buck |
Full-Bridge,Half-Bridge,Push-Pull |
Full-Bridge,Half-Bridge,Push-Pull |
|
| Control Mode |
|
|
|
|
|
|
|
Voltage Mode |
|
|
|
| Market Segment |
|
|
|
|
|
|
|
Communications & Telecom |
|
|
|
| Control Method |
|
|
|
|
|
|
|
|
Current,Feedforward,Voltage |
Current,Feedforward,Voltage |
Current |
| Frequency(Min)(kHz) |
|
|
|
|
|
|
|
|
50 |
50 |
|
| Frequency(Max)(kHz) |
|
|
|
|
|
|
|
|
2000 |
2000 |
400 |
| Gate Drive(Typ)(A) |
|
|
|
|
|
|
|
|
1.2 |
1.2 |
1.5 |
