參數(shù)資料
型號： ALO20Y48S
元件分類： 電源模塊
英文描述： 1-OUTPUT 45 W DC-DC REG PWR SUPPLY MODULE
封裝： EIGHTH BRICK, PACKAGE-8
文件頁數(shù)： 23/26頁
文件大?。?/td> 909K
代理商： ALO20Y48S
Technical Reference Notes
AEO_ALO04/12/20/25x48 Series
(Single Output 8th Brick)
MODEL: AEO_ALO04/12/20/25x48 SERIES
SHEET 6 OF 26
AUGUST 25, 2005 - REVISION G
Electrical Specifications (continued)
Figure 2. Peak to Peak Output Noise Measurement Setup.
Figure 1. Input Reflected Ripple Current Measurement Setup.
Vo(+)
Vo(-)
RESISTIVE
LOAD
10 uF
0.1 uF
SCOPE
COPPER STRIP
Use a 0.1
F @50V X7R ceramic capacitor (connected an inch away from the output
terminals of the UUT) and a 10
F @ 25V tantalum capacitor (2 inches away from
the output terminals of the UUT). Scope measurement should be made using a BNC
socket, positioned 3 inches away from output terminals of the converter.
BATTERY
Cs 220 uF
ESR < 0.1 OHM
@ 20 C, 100 kHz
Ltest
12 uH
33 uF
ESR < 0.7 OHM
@ 20 C, 100 kHz
Vi(+)
Vi(-)
TO OSCILLOSCOPE
Measure input reflected-ripple current with a simulated source inductance (Ltest) of
12uH. Capacitor Cs offsets possible battery impedance. Measure current as shown
above.
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