參數(shù)資料
型號(hào): MIC4043
廠(chǎng)商: Micrel Semiconductor,Inc.
英文描述: Low-Voltage Secondary-Side Shunt Regulator
中文描述: 低電壓二次側(cè)并聯(lián)穩(wěn)壓器
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 3293K
代理商: MIC4043
May 2000
7
MIC4043
MIC4043
Micrel
Off-Line 1.8V/2A Power Supply
R13
10
1%
C11
1200μF
10V
R14
200
1%
V
+1.8V/2A
D4
12CTQ045
L2
5μH
C12
220μF
10V
C13
1000pF
50/63V
U2b
2501
U3
MIC4043
SNK
IN
R10
72k
1%
R11
33k
1%
R15
47.5k
1%
U1
MIC38HC43BN
COMP
V
DD
V
REF
GND
V
OUT
R
T
/C
T
FB
I
SNS
2
1
4
3
8
5
7
6
R2
332k
1%
R3
332k
1%
D1
1N4448
R4
34
1%
C5
0.1μF
50/
63V
D2
18V
C7
470pF
63V
C6
470pF
63V
Q1
IRFIBE30G
L1
R5
1.21k 1%
R6
1.21k
1%
BR1
DBR1
C4
47μF
400V
U2a
2501
F1
85 to 264Vac
50/60Hz
Hot
Neutral
Return
T1
1
2
7
6
4
3
1A
Ground
C14
3000pF
50V
R8
1.9
1/4W
1%
R9
470
1/2W
D3
UF4005
C9
100pF
1kV
R1
1k 1%
R7
14k 1%
C3
2200pF
400V
C2
2200pF
400V
C1
0.1μF
250V
C10
0.1μF
50/63V
80T
3T
20mH
C8
22μF
25V
10T
FB
GND
R12
90
V
1.245V
R2
R1
1
TRIP
=
+
Figure 3. Off-Line 1.8V/2A Power Supply
Figure 3a. 1.8V/1A Bode Plot
margin = 69
°
)
Figure 3b. 1.8V/2A Bode Plot
margin = 79
°
)
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