MAX1720 ON Semiconductor, MAX1720 Datasheet - Page 16

• Manufacturer Part Number: MAX1720
• Description: Switched Capacitor Voltage Inverter
• Manufacturer: ON Semiconductor

performance characteristics are shown below. Note that the converter has an output resistance of 10 W.
A single device can be used to split a negative input voltage. The output voltage is approximately equal to −V
Figure 49. Combination of a Closed Loop Negative Inverter with a Positive Output Voltage Doubler
Figure 48. Negative Voltage Splitter Load Regulation, Output Voltage vs. Output Current
V
in
+
+
−1.7
−1.9
−2.1
−2.3
−2.5
−1.5
C
1
2
3
0
Capacitors = 10 mF
Figure 47. Negative Input Voltage Splitter
1
2
3
Capacitors = 10 mF
T
R
OSC
A
10
out
= 25°C
OSC
= 10 W
20
I
out
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, OUTPUT CURRENT (mA)
6
5
4
MAX1720
30
6
5
4
16
C
+
40
+
+
+
50
10 k
C
C
R
R
60
+
1
2
V
V
in
out
= −5.0 V
70
= −2.5 V
+
−V
80
+
out
+V
out
in
/2. The