Datasheet

L6920DC Detailed description
11/16
Figure 9. Test circuit
Table 5. Output voltage connection
V
out
= 3.3V
FB pin connected to OUT (see application circuit)
V
out
= 5V
FB pin connected to GND
1.8V < V
out
< 5.5V
FB pin connected to a resistive divider
V
out
1.23V 1
R4
R5
------- -+
⎝⎠
⎛⎞
⋅=
V
BATT
LBI
V
OUT
V
REF
GND
___
LBO
_____
SHDN
FB
1
2
3
4
5
6
7
8
L6920DB
V
BATT
=1.5V
V
OUT
=2.5
V
C4
100nF
C1
47µF
C2
47µF
L1 10µH
R4
200KΩ
R5
200KΩ
R3
R1
R2
V
BATT
LBI
V
OUT
V
REF
GND
___
LBO
_____
SHDN
FB
1
2
3
4
5
6
7
8
L6920DB
V
BATT
=1.5V
V
OUT
=2.5
V
C4
100nF
C1
47µF
C2
47µF
L1 10µH
R4
200KΩ
R5
200KΩ
R3
R1
R2
L6920DC