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UC1854BJ
|
Price |
|
$4.71 |
$3.53 |
|
$0.48 |
$2.01 |
$1.18 |
|
|
$1.63 |
|
RoHS |
|
Yes |
Yes |
Yes |
Compliant |
Yes |
Yes |
TBD |
Compliant |
Yes |
Not Compliant |
Lead Status |
|
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
Yes |
No |
Operating Temperature Range(C) |
|
|
-40 to 105 |
-40 to 85 |
0 to 70 |
-40 to 125 |
-40 to 85 |
-55 to 125 |
0 to 70 |
-40 to 125 |
-55 to 125 |
Rating |
|
|
Catalog |
Catalog |
Catalog |
Automotive |
Catalog |
Military |
Catalog |
Automotive |
Military |
Approx. Price (US$) |
|
|
1.95 | 1ku |
0.39 | 1ku |
0.42 | 1ku |
1.20 | 1ku |
1.05 | 1ku |
|
0.60 | 1ku |
1.45 | 1ku |
|
Package Size |
|
|
mm2 |
|
|
|
|
mm2 |
|
|
mm2 |
Frequency(Max)(kHz) |
|
|
2000 |
500 |
500 |
1000 |
1000 |
500 |
1000 |
|
|
Package Group |
|
|
HTSSOP,QFN |
SOIC,PDIP |
PDIP,SOIC |
SOIC |
PDIP,SOIC,TSSOP |
CDIP,LCCC |
PDIP,SOIC,VSSOP |
HTSSOP |
CDIP |
Frequency(Min)(kHz) |
|
|
|
49 |
26 |
|
|
|
26 |
|
|
Duty Cycle(Max)(%) |
|
|
|
50 |
50 |
100 |
50 |
100 |
100 |
95 |
95 |
Vin(Min)(V) |
|
|
|
9 |
17 |
8.3 |
3.6 |
7.6 |
9 |
4.5 |
|
UVLO Thresholds On/Off(V) |
|
|
|
8.4/7.6 |
16/10 |
12.5/8.3 |
4.1/3.6 |
8.4/7.6 |
8.4/7.6 |
|
10.5/10 |
Vin(Max)(V) |
|
|
|
30 |
400 |
12 |
12 |
30 |
400 |
42 |
|
Special Features |
|
|
|
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
Error Amplifier,Multi-topology |
Error Amplifier,Leading Edge Blanking,Multi-topology,Soft Start |
Error Amplifier,Leading Edge Blanking,Multi-topology,Soft Start |
Error Amplifier,Multi-topology |
Error Amplifier,Multi-topology |
Enable,Frequency Synchronization |
> 750W Applications,Average Current Mode,Enable |
Topology |
|
|
|
Boost,Flyback,Forward |
Boost,Buck,Buck-Boost,Flyback,Forward |
Boost,Flyback,Forward |
Boost,Flyback,Forward |
Boost,Flyback,Forward |
Boost,Buck,Buck-Boost,Flyback,Forward |
|
|
Control Method |
|
|
|
Current |
Peak Current Mode |
Current |
Current |
Current |
Peak Current Mode |
|
CCM |
Gate Drive(Typ)(A) |
|
|
|
0.2 |
1 |
1 |
1 |
|
1 |
|
|
Vout(Min)(V) |
|
|
|
|
|
|
|
|
|
1.205 |
|
Vout(Max)(V) |
|
|
|
|
|
|
|
|
|
40 |
|
Iq(Typ)(mA) |
|
|
|
|
|
|
|
|
|
3.2 |
|
Number of Phases |
|
|
|
|
|
|
|
|
|
1 |
|
Iout(Max)(A) |
|
|
|
|
|
|
|
|
|
10 |
|
Switching Frequency(Min)(kHz) |
|
|
|
|
|
|
|
|
|
50 |
|
Switching Frequency(Max)(kHz) |
|
|
|
|
|
|
|
|
|
1000 |
|
Regulated Outputs(#) |
|
|
|
|
|
|
|
|
|
1 |
|
Type |
|
|
|
|
|
|
|
|
|
Controller |
|