|
|
Richtek
EVB_RT7272AGSP
|
Richtek
EVB_RT7272BGSP
|
Texas Instruments
TPS40007DGQG4
|
Texas Instruments
UC3526DWG4
|
Texas Instruments
UCC2801DTRG4
|
Texas Instruments
UCC3813D-3G4
|
Texas Instruments
UCC2813DTR-0G4
|
Texas Instruments
UC2844AQD8
|
Texas Instruments
UC2842DTR
|
Texas Instruments
UCC3809PW-2G4
|
| Price |
|
|
|
|
$1.89 |
$1.35 |
$1.73 |
$1.18 |
$0.94 |
$0.85 |
|
| RoHS |
|
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Yes |
Yes |
Compliant |
| Lead Status |
|
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| Vout(Max)(V) |
|
|
|
4 |
|
|
|
|
|
|
|
| Operating Temperature Range(C) |
|
|
|
-40 to 85 |
0 to 70 |
-40 to 85 |
0 to 70 |
-40 to 85 |
-40 to 125,-40 to 85 |
-40 to 85 |
0 to 70 |
| Package Group |
|
|
|
MSOP-PowerPAD |
SOIC,PDIP |
PDIP,SOIC,TSSOP |
PDIP,SOIC,TSSOP |
PDIP,SOIC,TSSOP |
PDIP,SOIC |
PDIP,SOIC |
PDIP,SOIC,TSSOP,VSSOP |
| Rating |
|
|
|
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
| Switching Frequency(Min)(kHz) |
|
|
|
300 |
|
|
|
|
|
|
|
| Switching Frequency(Max)(kHz) |
|
|
|
300 |
|
|
|
|
|
|
|
| Vout(Min)(V) |
|
|
|
0.7 |
|
|
|
|
|
|
|
| Vin(Max)(V) |
|
|
|
5.5 |
35 |
12 |
12 |
12 |
30 |
400 |
19 |
| Regulated Outputs(#) |
|
|
|
1 |
|
|
|
|
|
|
|
| Approx. Price (US$) |
|
|
|
0.99 | 1ku |
1.15 | 1ku |
1.20 | 1ku |
0.99 | 1ku |
1.05 | 1ku |
0.46 | 1ku |
0.50 | 1ku |
0.85 | 1ku |
| Type |
|
|
|
Controller |
|
|
|
|
|
|
|
| Iq(Typ)(mA) |
|
|
|
1.5 |
|
|
|
|
|
|
|
| Special Features |
|
|
|
Enable,Synchronous Rectification |
Error Amplifier,Soft Start,Synchronization Pin |
Error Amplifier,Leading Edge Blanking,Multi-topology,Soft Start |
Error Amplifier,Leading Edge Blanking,Soft Start |
Error Amplifier,Leading Edge Blanking,Soft Start |
Error Amplifier |
Error Amplifier,Multi-topology |
Multi-topology,Soft Start |
| Vin(Min)(V) |
|
|
|
2.25 |
8 |
7.4 |
3.6 |
6.9 |
10 |
17 |
8 |
| Iout(Max)(A) |
|
|
|
15 |
|
|
|
|
|
|
|
| Duty Cycle(Max)(%) |
|
|
|
94 |
50 |
50 |
100 |
100 |
50 |
100 |
70 |
| Gate Drive(Typ)(A) |
|
|
|
|
0.1 |
1 |
1 |
1 |
1 |
1 |
0.8 |
| Frequency(Min)(kHz) |
|
|
|
|
0.01 |
|
|
|
|
26 |
|
| Control Method |
|
|
|
|
Voltage |
Current |
Current |
Current |
Current |
Peak Current Mode |
Current,Feedforward,Voltage |
| Topology |
|
|
|
|
Boost,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull |
Boost,Flyback,Forward |
Boost,Buck,Flyback,Forward |
Boost,Flyback,Forward |
Boost,Buck,Flyback,Forward |
Boost,Buck,Buck-Boost,Flyback,Forward |
Boost,Buck,Flyback,Forward |
| UVLO Thresholds On/Off(V) |
|
|
|
|
7/6.8 |
9.4/7.4 |
4.1/3.6 |
7.2/6.9 |
16/10 |
16/10 |
15/8 |
| Frequency(Max)(kHz) |
|
|
|
|
400 |
1000 |
1000 |
1000 |
500 |
500 |
1000 |
