參數(shù)資料
型號(hào)： MB3817PFV
廠(chǎng)商： FUJITSU LTD
元件分類(lèi)： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, SSOP-16
文件頁(yè)數(shù)： 22/29頁(yè)
文件大?。?/td> 240K
代理商： MB3817PFV
22
MB3817
(Reference Data)
The phase margin is halved by changing the smoothing capacitor from an aluminium electrolytic capacitor (R
C
1.0
) to a small-ESR semiconductor electrolytic capacitor (OS – CON; R
C
0.2
). (See Figure 5 and 6.)
~
~
+
C
NF
V
OUT
FB
V
REF
R
1
R
2
V
IN
A
V
φ
characteristic
between this interval
Error amp.
IN
+
IN
V
O
+
+
Al electrolytic capacitor
220
μ
F (16 V)
60
40
20
0
20
40
10
G
V
P
φ
Frequency f (Hz)
100
1 k
10 k
100 k
62
°
A
V
φ
Gain - frequency and phase frequency characteristics of Al electrolytic capacitor (DC/DC converter
+
5 V output)
180
90
0
90
180
V
CC
=
10 V
R
L
=
25
C
P
=
0.1
μ
F
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
27
°
A
V
φ
180
90
0
90
180
V
CC
=
10 V
R
L
=
25
C
P
=
0.1
μ
F
V
O
GND
+
R
C
0.2
: f
OSC
=
1 kHz
+
OS
CON
22
μ
F (16 V)
G
V
P
φ
Frequency f (Hz)
Gain - frequency and phase frequency characteristics of OS
CON (DC/DC converter
+
5 V output)
Figure 5 Gain-Frequency characteristic
Figure 6 Phase-Frequency characteristic
Figure 4 DC/DC converter A
V
–
φ
characteristic measuring circuit
相關(guān)PDF資料
PDF描述
MB3817 ECONOLINE: REC5-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 5W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting
MB3821 2-ch DC/DC Converter IC With Synchronous Rectifier
MB3821PFV 2-ch DC/DC Converter IC With Synchronous Rectifier
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MB3825 6-ch DC/DC Converter IC With Synchronous Rectifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB3817PFV-G-BND(E1) 制造商:Fujitsu 功能描述:
MB3821 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:2-ch DC/DC Converter IC With Synchronous Rectifier
MB3821PFV 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:2-ch DC/DC Converter IC With Synchronous Rectifier
MB3821PFV-G-BND(E1) 制造商:Fujitsu 功能描述:
MB3825 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier
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