|
|
Texas Instruments
UC3845N
|
Texas Instruments
LM5026MT/NOPB
|
Texas Instruments
LM5027AMHX/NOPB
|
Texas Instruments
LM25085ASDE/NOPB
|
Texas Instruments
LM25085ASD/NOPB
|
Texas Instruments
LM25085MMX/NOPB
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Texas Instruments
LM25085SDE/NOPB
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Exar Corporation
SP6655EB
|
Texas Instruments
SG3524DE4
|
Texas Instruments
TL594CNE4
|
Price |
|
$0.98 |
$2.39 |
|
|
|
$1.42 |
$1.55 |
$31.25 |
$0.53 |
|
RoHS |
|
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Compliant |
Yes |
Lead Status |
|
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
Yes |
Frequency(Min)(kHz) |
|
26 |
100 |
100 |
|
|
|
|
|
0.13 |
|
Operating Temperature Range(C) |
|
0 to 70 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
|
0 to 70 |
-40 to 85,0 to 70 |
Control Method |
|
Peak Current Mode |
Current |
Feedforward,Voltage |
|
|
|
|
|
Voltage |
Voltage |
Rating |
|
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
|
Catalog |
Catalog |
Duty Cycle(Max)(%) |
|
50 |
80 |
72.5 |
100 |
100 |
100 |
100 |
|
45 |
45 |
Vin(Min)(V) |
|
9 |
13 |
13 |
4.5 |
4.5 |
4.5 |
4.5 |
|
8 |
7 |
UVLO Thresholds On/Off(V) |
|
8.4/7.6 |
|
|
|
|
|
|
|
N/A |
6.1/6 |
Topology |
|
Boost,Buck,Buck-Boost,Flyback,Forward |
|
|
|
|
|
|
|
Boost,Buck,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull |
Boost,Buck,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull |
Special Features |
|
Error Amplifier,Multi-topology |
Synchronization Pin |
Synchronization Pin |
Adjustable Current Limit,Frequency Synchronization |
Adjustable Current Limit,Frequency Synchronization |
Adjustable Current Limit,Frequency Synchronization |
Adjustable Current Limit,Frequency Synchronization |
|
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
Adjustable Switching Frequency,Error Amplifier,Multi-topology |
Approx. Price (US$) |
|
0.42 | 1ku |
1.10 | 1ku |
1.19 | 1ku |
0.75 | 1ku |
0.75 | 1ku |
0.70 | 1ku |
0.70 | 1ku |
|
0.33 | 1ku |
0.27 | 1ku |
Frequency(Max)(kHz) |
|
500 |
1000 |
1000 |
|
|
|
|
|
722 |
300 |
Package Group |
|
PDIP,SOIC |
TSSOP,WSON |
HTSSOP,WQFN |
MSOP-PowerPAD,VSSOP,WSON |
MSOP-PowerPAD,VSSOP,WSON |
MSOP-PowerPAD,VSSOP,WSON |
MSOP-PowerPAD,VSSOP,WSON |
|
PDIP,SO,SOIC |
PDIP,SO,SOIC,TSSOP |
Vin(Max)(V) |
|
400 |
100 |
90 |
42 |
42 |
42 |
42 |
|
40 |
40 |
Gate Drive(Typ)(A) |
|
1 |
3 |
2,1,3 |
|
|
|
|
|
|
|
Vout(Min)(V) |
|
|
|
|
0.9 |
0.9 |
1.25 |
1.25 |
|
|
|
Iout(Max)(A) |
|
|
|
|
10 |
10 |
10 |
10 |
|
|
|
Switching Frequency(Max)(kHz) |
|
|
|
|
1000 |
1000 |
1000 |
1000 |
|
|
|
Switching Frequency(Min)(kHz) |
|
|
|
|
50 |
50 |
50 |
50 |
|
|
|
Regulated Outputs(#) |
|
|
|
|
1 |
1 |
1 |
1 |
|
|
|
Type |
|
|
|
|
Controller |
Controller |
Controller |
Controller |
|
|
|
Iq(Typ)(mA) |
|
|
|
|
1.25 |
1.25 |
1.25 |
1.25 |
|
|
|
Vout(Max)(V) |
|
|
|
|
42 |
42 |
42 |
42 |
|
|
|