LM2585SX-3.3 National Semiconductor, LM2585SX-3.3 Datasheet - Page 8

• Manufacturer Part Number: LM2585SX-3.3
• Description: SIMPLE SWITCHER 3A Flyback Regulator
• Manufacturer: National Semiconductor

www.national.com
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 (0 ) and R
= 48.75k,
±
0.1% and R2 = 5.62k,
2
= Open
FIGURE 3. LM2585-12 and LM2585-ADJ
FIGURE 2. LM2585-3.3 and LM2585-5.0
±
1%
8
DS012515-19
DS012515-20