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參數(shù)資料
| 型號： | MB3778P |
| 廠商： | FUJITSU LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 0.075 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 23/29頁 |
| 文件大?。?/td> | 276K |
| 代理商： | MB3778P |
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MB3778
23
I
APPLICATION
1.
Equivalent series resistor and stability of smoothing capacitor
The equivalent series resistor (ESR) of the smoothing capacitor in the DC/DC converter greatly affects the loop
phase characteristic.
The stability of the system is improved so that the phase characteristic may advance the phase to the ideal
capacitor by ESR in the high frequency region (see “Gain vs. Frequency” and “Phase vs. Frequency”).
A smoothing capacitor with a low ESR reduces system stability. Use care when using low ESR electrolytic
capacitors (OS CON
TM
) and tantalum capacitors.
Note: OS CON is the trademark of Sanyo Electnic Co., Ltd.
V
IN
D
L
R
C
R
L
C
Tr
DC/DC Converter Basic Circuit
10
100
1 k
10 k
100 k
60
40
20
0
20
(1)
:
R
C
=
0
(2)
:
R
C
=
31 m
(1)
(2)
Frequency f (Hz)
G
V
10
100
1 k
10 k
100 k
180
90
0
(1)
:
R
C
=
0
(2)
:
R
C
=
31 m
(2)
(1)
Frequency f (Hz)
P
φ
Gain vs. Frequency
Phase vs. Frequency
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB3778PF | 制造商:Panasonic Industrial Company 功能描述:IC |
| MB3778PF-E1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB3778PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB3778PFV-E1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB-378 | 制造商:Maxxtro 功能描述: |
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