Datasheet

0.05
0.15
0.25
40
45
50
55
60
65
70
75
80
85
90
LOAD CURRENT (A)
EFFICIENCY (%)
4
6 8 10 12 14 16 18 20
0
100
200
300
400
500
600
700
5
7 9 11 13 15 17 19
OUTPUT VOLTAGE (-V)
MAXIMUM OUTPUT CURRENT (mA)
C
IN
: TAIYO YUDEN X5R JMK325BJ226MM
C
CUK
: TAIYO YUDEN X5R EMK316BJ105MF
C
OUT
: TAIYO YUDEN X5R JMK325BJ226MM
D: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CR32-150
L2: SUMIDA CR32-470
C
CUK
1 PF
C
OUT
22 PF
L2
47 PH
V
IN
5V
D
C
FF
330 pF
R
FB1
29.4k
R
FB2
10k
V
IN
SW
NFB
GND
SHDN
LM2611A
1
2
34
5
C
IN
22 PF
L1
15 PH
V
OUT
- 5V
300 mA
LM2611
www.ti.com SNOS965I –JUNE 2001–REVISED APRIL 2013
APPLICATION INFORMATION
Application Circuits
5V to -5V Inverting Converter
Figure 21. The Maximum Output Current vs Output Voltage (Adjust R
FB2
to Set a Different Output
Voltage) When The Input Voltage is 5V
Figure 22. Efficiency vs Load Current Figure 23. The Maximum Output Current vs Output
Voltage (Adjust R
FB2
to Set a Different Output
Voltage) When The Input Voltage is 5V
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