LM2585T-ADJ/NOPB National Semiconductor, LM2585T-ADJ/NOPB Datasheet - Page 21

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

Specifications of LM2585T-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: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Package: 5TO-220
• Minimum Input Voltage: 4 V
• Maximum Input Voltage: 40 V
• Switching Frequency: 85 to 115 KHz
• Operating Supply Voltage: 4 to 40 V
• Maximum Output Current: 3 A
• Output Type: Adjustable
• Output Voltage: 11.52 to 12.48 V
• Efficiency: 93(Typ) %
• Dc To Dc Converter Type: Step Up
• Pin Count: 5 +Tab
• Input Voltage: 40V
• Switching Freq: 85 TO 115KHz
• Output Current: 3A
• Package Type: TO-220
• Switching Regulator: Yes
• Load Regulation: 100mV
• Line Regulation: 100mV
• Mounting: Through Hole
• Input Voltage (min): 4V
• Operating Temperature Classification: Automotive
• Primary Input Voltage: 40V
• 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: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM2585T-ADJ; *LM2585T-ADJ/NOPB; LM2585T-ADJ

*The LM2585 will require a heat sink in these applications. The size of the heat sink will depend on the maximum ambient temperature. To calculate the thermal
resistance of the IC and the size of the heat sink needed, see the “Heat Sink/Thermal Considerations” section in the Application Hints.
FIGURE 36. +24V to +36V Boost Regulator
FIGURE 37. +24V to +48V Boost Regulator
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