|
|
Texas Instruments
UC2854BMDWREP
|
Texas Instruments
UCC2809DTR-1
|
Texas Instruments
UC3844DTR
|
Texas Instruments
UC3846DWTR
|
Texas Instruments
UC2845DTRG4
|
Texas Instruments
UCC38C45DR
|
Texas Instruments
LM1771TMM/NOPB
|
Linear Technology
DC1989A-A
|
Linear Technology
DC2052A
|
Linear Technology
DC2105A-A
|
| Price |
|
$4.91 |
$2.10 |
|
|
$0.48 |
|
|
|
|
|
| RoHS |
|
Compliant |
Compliant |
Compliant |
Yes |
Compliant |
Compliant |
Yes |
Compliant |
Compliant |
Compliant |
| Lead Status |
|
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
| Startup Current(mA) |
|
0.25 |
|
|
|
|
|
|
|
|
|
| Operating Supply(Max)(V) |
|
20 |
|
|
|
|
|
|
|
|
|
| Package Group |
|
SOIC |
SOIC,TSSOP,VSSOP |
PDIP,SOIC |
PDIP,PLCC,SOIC |
PDIP,SOIC |
PDIP,SOIC,VSSOP |
VSSOP,WSON |
|
|
|
| Rating |
|
HiRel Enhanced Product |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
|
|
|
| Control Method |
|
CCM |
Current,Feedforward,Voltage |
Peak Current Mode |
Current |
Peak Current Mode |
Current |
|
|
|
|
| Package Size(mm2=WxL) |
|
[pf]16SOIC[/pf] |
|
|
|
|
|
|
|
|
|
| Duty Cycle(Max)(%) |
|
95 |
70 |
50 |
50 |
50 |
50 |
98 |
|
|
|
| Operating Supply Current(mA) |
|
12 |
|
|
|
|
|
|
|
|
|
| UVLO Thresholds On/Off(V) |
|
10.5/10 |
10/8 |
16/10 |
7.7/6.95 |
8.4/7.6 |
8.4/7.6 |
|
|
|
|
| Special Features |
|
> 750W Applications,Average Current Mode,Enable |
Multi-topology,Soft Start |
Error Amplifier,Multi-topology |
Error Amplifier,Multi-topology,Soft Start,Synchronization Pin |
Error Amplifier,Multi-topology |
Error Amplifier,Multi-topology |
Enable |
|
|
|
| Operating Temperature Range(C) |
|
-55 to 125 |
-40 to 85 |
0 to 70 |
0 to 70 |
-40 to 85 |
0 to 70 |
-40 to 125 |
|
|
|
| Vin(Min)(V) |
|
|
8 |
17 |
|
9 |
7.6 |
2.8 |
|
|
|
| Frequency(Max)(kHz) |
|
|
1000 |
500 |
500 |
500 |
1000 |
|
|
|
|
| Approx. Price (US$) |
|
|
0.95 | 1ku |
0.42 | 1ku |
1.39 | 1ku |
0.42 | 1ku |
0.60 | 1ku |
0.75 | 1ku |
|
|
|
| Vin(Max)(V) |
|
|
19 |
400 |
|
400 |
20 |
5.5 |
|
|
|
| Gate Drive(Typ)(A) |
|
|
0.8 |
1 |
0.5 |
1 |
1 |
|
|
|
|
| Topology |
|
|
Boost,Flyback,Forward |
Boost,Buck,Buck-Boost,Flyback,Forward |
Boost,Flyback,Forward,Half-Bridge,Push-Pull |
Boost,Buck,Flyback,Forward |
Boost,Buck,Buck-Boost,Flyback,Forward |
|
|
|
|
| Frequency(Min)(kHz) |
|
|
|
26 |
|
26 |
|
|
|
|
|
| Vout(Min)(V) |
|
|
|
|
|
|
|
0.8 |
|
|
|
| Vout(Max)(V) |
|
|
|
|
|
|
|
4.5 |
|
|
|
| Iq(Typ)(mA) |
|
|
|
|
|
|
|
0.4 |
|
|
|
| Regulated Outputs(#) |
|
|
|
|
|
|
|
1 |
|
|
|
| Iout(Max)(A) |
|
|
|
|
|
|
|
6 |
|
|
|
| Switching Frequency(Max)(kHz) |
|
|
|
|
|
|
|
2000 |
|
|
|
| Type |
|
|
|
|
|
|
|
Controller |
|
|
|
| Switching Frequency(Min)(kHz) |
|
|
|
|
|
|
|
500 |
|
|
|
