參數(shù)資料
型號: MAX829SNTR
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: Switched Capacitor Voltage Converters
中文描述: SWITCHED CAPACITOR CONVERTER, 54.3 kHz SWITCHING FREQ-MAX, PDSO5
封裝: PLASTIC, SOT-23, 5 PIN
文件頁數(shù): 9/18頁
文件大?。?/td> 158K
代理商: MAX829SNTR
MAX828, MAX829
http://onsemi.com
9
0
1.0
4.0
20
10
6.0
10.0
30
40
I
out
, OUTPUT CURRENT (mA)
Figure 28. Cascade Load Regulation,
Output Voltage vs. Output Current MAX828
V
o
,
A
B
A
3.0
B
5.0
Curve
V
in
(V)
173
141
R
out
( )
C
3.0
D
5.0
179
147
0
20
10
30
40
I
out
, OUTPUT CURRENT (mA)
Figure 29. Cascade Load Regulation,
Output Voltage vs. Output Current MAX829
V
o
,
C
D
8.0
2.0
3.0
5.0
7.0
9.0
1.0
4.0
6.0
10.0
8.0
2.0
3.0
5.0
7.0
9.0
+
5
4
2
3
1
OSC
MAX828: Capacitors = 10 F
MAX829: Capacitors = 3.3 F
+
V
in
V
out
Figure 30. Negative Output Voltage Doubler
+
+
+
A single device can be used to construct a negative voltage doubler. The output voltage is approximately equal to 2V
in
minus
the forward voltage drop of each external diode. The performance characteristics for the above converter are shown below.
Note that curves A and C show the circuit performance with economical 1N4148 diodes, while curves B and D are with lower
loss MBRA120E Schottky diodes.
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