LM2585T-3.3/NOPB National Semiconductor, LM2585T-3.3/NOPB Datasheet - Page 9

• Manufacturer Part Number: LM2585T-3.3/NOPB
• Description: IC MULTI CONFIG 3.3V 3A TO220-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2585T-3.3/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 3A
• Frequency - Switching: 100kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Input Voltage: 40V
• Output Current: 3A
• Output Voltage: 3.3V
• No. Of Outputs: 1
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Filter Terminals: Through Hole
• Rohs Compliant: Yes
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2585T-3.3; *LM2585T-3.3/NOPB; LM2585T-3.3

Flyback Regulator
1251501
Block Diagram
1251518
For Fixed Versions
3.3V, R1 = 3.4k, R2 = 2k
5V, R1 = 6.15k, R2 = 2k
12V, R1 = 8.73k, R2 = 1k
For Adj. Version
R1 = Short (0Ω), R2 = Open
FIGURE 1.
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