- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄377879 > MB3782P (FUJITSU LTD) RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS PDF資料下載
參數(shù)資料
| 型號： | MB3782P |
| 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 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 24/28頁 |
| 文件大小： | 248K |
| 代理商： | MB3782P |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁當前第24頁第25頁第26頁第27頁第28頁
24
MB3782
Reference data
Changing the smoothing capacitor from an aluminum electrolytic capacitor (RC
1.0
) to a lower-ESR
semiconductor electrolytic capacitor (OS capacitor: RC
0.2
) decreases the phase margin (see Graphs 1-2,
1-3).
V out
V
0
+
C
NF
FB
–
+
– IN
+ IN
R
1
R
2
V
IN
V
REF
/2
Error amp
A
V
and phase characteristics
measured between these points
Figure 2 Measurement of DC/DC Capacitor AV and Phase (
Ψ
) Characteristics
+
–
G
DC/DC converter + 5 V output frequency vs.gain and phase
Frequency f (Hz)
P
Aluminum electrolytic
capacitor
220
μ
F (16 V)
R
C
1.0
:
fosc = 1 kHz
10
100
1 k
10 k
100 k
– 40
– 20
0
20
40
60
Av
φ
62°
Vcc = 10 v
R
= 25
Cp = 0.1
μ
F
– 90
0
– 180
90
180
V
0
+
+
–
G
10
– 40
– 20
0
20
40
60
Frequency f (Hz)
100
1 k
10 k
100 k
P
– 90
0
– 180
90
180
DC/DC converter + 5 V output frequency vs.gain and phase
Vcc = 10 v
R
= 25
Cp = 0.1
μ
F
OS capacitor
22
μ
F (16 V)
R
C
0.2
:
fosc = 1 kHz
Av
φ
27°
Graph
Graph 3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB3782PF | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| MB3785 | Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| MB3785A | Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| MB3785APFV | Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| MB3788 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB3782PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB3782PF-G-BND-JN(E1) | 制造商:Fujitsu 功能描述: |
| MB3785 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| MB3785A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| MB3785A_03 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。