參數(shù)資料
型號: LM1575
廠商: National Semiconductor Corporation
英文描述: SIMPLE SWITCHER 1A Step-Down Voltage Regulator
中文描述: 的SIMPLE SWITCHER 1A步降穩(wěn)壓器
文件頁數(shù): 12/27頁
文件大?。?/td> 725K
代理商: LM1575
Test Circuit and Layout Guidelines
(Continued)
Fixed Output Voltage Versions
01147508
C
IN
— 100 μF, 75V, Aluminum Electrolytic
C
OUT
— 330 μF, 25V, Aluminum Electrolytic
D1 — Schottky, 11DQ06
L1 — 330 μH, PE-52627 (for 5V in, 3.3V out, use 100 μH, PE-92108)
Adjustable Output Voltage Version
01147509
where V
REF
= 1.23V, R1 between 1k and 5k.
R1 — 2k, 0.1%
R2 — 6.12k, 0.1%
Note:
Pin numbers are for the TO-220 package.
FIGURE 2.
L
www.national.com
12
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