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Компоненты Описание
L6920DB Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
производитель
L6920DB
Synchronous rectifier step up converter
STMicroelectronics
L6920DB Datasheet PDF : 16 Pages
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L6920DB
Detailed description
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
+
RR
-----
45
--
⎠⎞
Figure 9. Test circuit
V
BATT
=1.5V
C2
47
µ
F
R1
R2
V
BATT
L1 10
µ
H
LBI
_____
2
SHDN
7
5
V
OUT
8
C4
100nF
L6920DB
V
REF
L6920DB
4
___
LBO
3
6
GND
1
FB
R3
R4
200K
Ω
R5
200K
Ω
V
OUT
=2.5V
C1
47
µ
F
11/16
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