LM2587S-3.3 National Semiconductor, LM2587S-3.3 Datasheet - Page 9

• Manufacturer Part Number: LM2587S-3.3
• Description: IC, FLYBACK REGULATOR, TO-263-5
• Manufacturer: National Semiconductor

Specifications of LM2587S-3.3

• Input Voltage: 40V
• Output Current: 5A
• Output Voltage: 3.3V
• No. Of Outputs: 1
• Supply Voltage Range: 4V To 40V
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Test Circuits
C
μF CeramicR
C
CeramicR
IN1
IN1
—100 μF, 25V Aluminum ElectrolyticC
—100 μF, 25V Aluminum ElectrolyticC
C
—2kFor 12V Devices: R
C
—2k
1
= Short (0Ω) and R
IN2
IN2
—0.1 μF CeramicT—22 μH, 1:1 Schott #67141450D—1N5820C
—0.1 μF CeramicL—15 μH, Renco #RL-5472-5D—1N5820C
FIGURE 3. LM2587-12 and LM2587-ADJ
FIGURE 2. LM2587-3.3 and LM2587-5.0
2
= OpenFor ADJ Devices: R
9
1
= 48.75k, ±0.1% and R2 = 5.62k, ±1%
OUT
OUT
—680 μF, 16V Aluminum ElectrolyticC
—680 μF, 16V Aluminum ElectrolyticC
1231608
1231609
www.national.com
C
—0.47 μF
C
—0.47