LM2588T-3.3/NOPB National Semiconductor, LM2588T-3.3/NOPB Datasheet - Page 16
![IC MULT CONFIG SYNC 3.3V TO220-7](/photos/7/1/70182/14-to-220-7_staggered_and_bent_sml.jpg)
LM2588T-3.3/NOPB
Manufacturer Part Number
LM2588T-3.3/NOPB
Description
IC MULT CONFIG SYNC 3.3V TO220-7
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Up (Boost), Flyback, Forward Converterr
Datasheet
1.LM2588S-ADJNOPB.pdf
(30 pages)
Specifications of LM2588T-3.3/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
5A
Frequency - Switching
100kHz ~ 200kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-7 (Bent and Staggered Leads)
For Use With
551011367-051 - BOARD WEBENCH BUILD IT LM2586/88
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2588T-3.3
*LM2588T-3.3/NOPB
LM2588T-3.3
*LM2588T-3.3/NOPB
LM2588T-3.3
www.national.com
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
1.8A
T1
1
FIGURE 12. Triple-Output Flyback Regulator
FIGURE 13. Transformer Selection Table
Figure 8
4V–6V
1.4A
T1
5V
1
Figure 9
8V–16V
16
1.2A
12V
T1
1
(Continued)
Figure 10
4V–6V
−12V
0.3A
0.3A
12V
2.5
2.5
T2
Figure 11
18V–36V
−12V
12V
0.8
0.8
T3
1A
1A
Figure 12
18V–36V
−12V
2.5A
0.5A
0.5A
0.35
12V
01242030
0.8
0.8
T4
5V