LM2575T-3.3 National Semiconductor, LM2575T-3.3 Datasheet - Page 12

• Manufacturer Part Number: LM2575T-3.3
• Description: SWITCHING REG 1A 3.3V, 2575, TO-220
• Manufacturer: National Semiconductor

Specifications of LM2575T-3.3

• Output Voltage: 3.3V
• Voltage Regulator Case Style: TO-220
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (15-Dec-2010)
• Operating Temperature Max: 125°C
• Operating: RoHS Compliant

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Test Circuit and Layout Guidelines
C
C
D1 — Schottky, 11DQ06
L1 — 330 µH, PE-52627 (for 5V in, 3.3V out, use 100 µH, PE-92108)
where V
R1 — 2k, 0.1%
R2 — 6.12k, 0.1%
Note: Pin numbers are for the TO-220 package.
IN
OUT
— 100 µF, 75V, Aluminum Electrolytic
— 330 µF, 25V, Aluminum Electrolytic
REF
= 1.23V, R1 between 1k and 5k.
Adjustable Output Voltage Version
Fixed Output Voltage Versions
FIGURE 2.
(Continued)
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