LM2585S-ADJ/NOPB National Semiconductor, LM2585S-ADJ/NOPB Datasheet - Page 13

• Manufacturer Part Number: LM2585S-ADJ/NOPB
• Description: IC MULTI CONFIG ADJ 3A TO263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2585S-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 3A
• Frequency - Switching: 100kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Current, Input Bias: 126 nA
• Current, Output: 3 A
• Current, Supply: 11 mA
• Frequency, Oscillator: 100 kHz
• Package Type: TO-263
• Regulation, Line: 20 mV
• Regulation, Load: 20 mV
• Regulator Type: Boost (Step-Up)
• Resistance, Thermal, Junction To Case: 2 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Transconductance: 3.2
• Voltage, Gain: 670 V/V
• Voltage, Input: 4 to 40 V
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 37V
• Output Current: 3A
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 3 - 168 Hours
• Filter Terminals: SMD
• Rohs Compliant: Yes
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2585S-ADJ; *LM2585S-ADJ/NOPB; LM2585S-ADJ

Typical Flyback Regulator
Applications
Figure 7
tions, varying from single output to triple output. Each drawing
contains the part number(s) and manufacturer(s) for every
through
Figure 12
show six typical flyback applica-
FIGURE 7. Single-Output Flyback Regulator
FIGURE 8. Single-Output Flyback Regulator
13
component except the transformer. For the transformer part
numbers and manufacturers names, see the table in
13. For applications with different output voltages—requiring
the LM2585-ADJ—or different output configurations that do
not match the standard configurations, refer to the Switchers
Made Simple
®
software.
1251525
1251524
www.national.com
Figure