LM2585SX-ADJ/NOPB National Semiconductor, LM2585SX-ADJ/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM2585SX-ADJ/NOPB
• Description: IC MULTI CONFIG ADJ 3A TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2585SX-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)
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 12.6V
• Output Current: 3A
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Filter Terminals: SMD
• Input Voltage Primary Max: 40V
• 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: *LM2585SX-ADJ; *LM2585SX-ADJ/NOPB; LM2585SX-ADJ

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Test Circuits
C
C
T—22 μH, 1:1 Schott #67141450
D—1N5820
C
C
R
C
C
L—15 μH, Renco #RL-5472-5
D—1N5820
C
C
R
For 12V Devices: R
For ADJ Devices: R
IN1
IN2
OUT
C
C
IN1
IN2
OUT
C
C
—0.47 μF Ceramic
—2k
—0.47 μF Ceramic
—2k
—100 μF, 25V Aluminum Electrolytic
—0.1 μF Ceramic
—100 μF, 25V Aluminum Electrolytic
—0.1 μF Ceramic
—680 μF, 16V Aluminum Electrolytic
—680 μF, 16V Aluminum Electrolytic
1
1
= Short (0Ω) and R
= 48.75k, ±0.1% and R2 = 5.62k, ±1%
2
= Open
FIGURE 3. LM2585-12 and LM2585-ADJ
FIGURE 2. LM2585-3.3 and LM2585-5.0
10
1251519
1251520