LM2588SX-ADJ/NOPB National Semiconductor, LM2588SX-ADJ/NOPB Datasheet - Page 16

• Manufacturer Part Number: LM2588SX-ADJ/NOPB
• Description: IC MULTI CONFIG SYNC ADJ TO263-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2588SX-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 5A
• Frequency - Switching: 100kHz ~ 200kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (7 leads + tab)
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 37V
• Output Current: 5A
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 3 - 168 Hours
• Filter Terminals: SMD
• Rohs Compliant: Yes
• For Use With: 551011367-051 - BOARD WEBENCH BUILD IT LM2586/88
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2588SX-ADJ; *LM2588SX-ADJ/NOPB; LM2588SX-ADJ

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