參數(shù)資料
型號(hào): NCP1729SN35T1G
廠商: ON SEMICONDUCTOR
元件分類(lèi): 穩(wěn)壓器
英文描述: Switched Capacitor Voltage Inverter
中文描述: SWITCHED CAPACITOR CONVERTER, 54 kHz SWITCHING FREQ-MAX, PDSO6
封裝: LEAD FREE, SOT-23, TSOP-6
文件頁(yè)數(shù): 12/22頁(yè)
文件大小: 165K
代理商: NCP1729SN35T1G
NCP1729
http://onsemi.com
12
+
+
6
4
2
3
1
OSC
Capacitors = 3.3 F
+
V
in
5
V
out
+
+
Figure 28. Positive Output Voltage Tripler
A single device can be used to construct a positive voltage tripler. The output voltage is approximately equal to 3.0 V
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.
6.0
2.0
4.0
0
8.0
10.0
12.0
14.0
I
out
, OUTPUT CURRENT (mA)
Figure 29. Tripler Load Regulation, Output
Voltage vs. Output Current
V
o
,
0
30
20
10
50
A
B
T
A
= 25
°
C
C
D
A
3.0
1N4148
B
3.0
MBRA120E
Curve
V
in
(V)
All Diodes
110
95
R
out
( )
C
5.0
1N4148
D
5.0
MBRA120E
88
78
40
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