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參數(shù)資料
| 型號： | MB3778PFV |
| 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, PDSO16 |
| 封裝： | PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 24/29頁 |
| 文件大?。?/td> | 276K |
| 代理商： | MB3778PFV |
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MB3778
24
Reference data
If an aluminum electrolytic smoothing capacitor (RC
1.0
) is replaced with a low ESR electrolytic capacitor(OS
CON
TM
: RC
0.2
), the phase margin is reduced by half(see Fig. 37 and 38).
A
V
vs.
φ
characteristic
Between these points
Error Amp.
+
C
NF
V
OUT
FB
V
REF
/2
R
1
R
2
V
IN
IN
+
IN
V
O
+
DC/DC Converter A
V
vs.
φ
characteristic Test Circuit
Figure 38
DC/DC Converter
+
5 V output Gain vs. Phase
P
φ
G
V
AI Capacitor
220
μ
F (16 V)
R
C
1.0
: f
OSC
=
1 kHz
V
O
+
GND
+
60
40
20
0
20
40
10
100
1 k
10 k
100 k
62
°
A
V
φ
180
90
0
90
180
V
CC
=
10 V
R
L
=
25
C
P
=
0.1
μ
F
P
φ
Frequency f (Hz)
G
V
OS CON
TM
22
μ
F (16 V)
R
C
0.2
: f
OSC
=
1 kHz
V
O
+
GND
+
60
40
20
0
20
40
10
100
1 k
10 k
100 k
27
°
A
V
φ
180
90
0
90
180
V
CC
=
10 V
R
L
=
25
C
P
=
0.1
μ
F
DC/DC Converter
+
5 V output Gain vs. Phase
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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: |
| MB3782 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB3782_1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:ASSP Power Supplies BIPOLAR Switching Regulator Controller |
| MB3782P | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:ASSP Power Supplies BIPOLAR Switching Regulator Controller |
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