551011367-051 National Semiconductor, 551011367-051 Datasheet - Page 16

• Manufacturer Part Number: 551011367-051
• Description: BOARD WEBENCH BUILD IT LM2586/88
• Manufacturer: National Semiconductor
• Series: WEBENCH® Buildit Boardr

Specifications of 551011367-051

• Main Purpose: DC/DC, Step Up
• Regulator Topology: Boost
• Board Type: Bare (Unpopulated)
• Utilized Ic / Part: LM2586, LM2588
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Current - Output: -
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Frequency - Switching: -
• Outputs And Type: -
• Lead Free Status / Rohs Status: Not Compliant
• Other names: *551011367-051

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Typical Flyback Regulator Applications
TRANSFORMER SELECTION (T)
Figure 13 lists the standard transformers available for fly-
back regulator applications. Included in the table are the
turns ratio(s) for each transformer, as well as the output
voltages, input voltage ranges, and the maximum load cur-
rents for each circuit.
Applications
Transformers
V
V
I
N
V
I
N
V
I
N
OUT1
OUT2
OUT3
IN
OUT1
OUT2
OUT3
1
2
3
(Max)
(Max)
(Max)
Figure 7
4V–6V
3.3V
1.4A
T7
1
FIGURE 12. Triple-Output Flyback Regulator
FIGURE 13. Transformer Selection Table
Figure 8
4V–6V
T7
5V
1A
1
Figure 9
8V–16V
0.8A
12V
16
T7
1
(Continued)
Figure 10
4V–6V
0.15A
0.15A
−12V
12V
1.2
1.2
T6
Figure 11
18V–36V
−12V
0.6A
0.6A
12V
1.2
1.2
T6
Figure 12
18V–36V
0.25A
0.25A
−12V
1.8A
1.15
1.15
12V
0.5
T5
5V
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