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L3383-33-AF5-R 데이터 시트보기 (PDF) - Unisonic Technologies
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L3383-33-AF5-R
PFM CONTROLLED, STEP-UP DC/DC CONVERTERS (VARIABLE DUTY RATIO)
Unisonic Technologies
L3383-33-AF5-R Datasheet PDF : 14 Pages
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L3383
CMOS IC
MARKING INFORMATION
PACKAGE
SOT-25
SOT-89
VOLTAGE CODE
20:2.0V
25:2.5V
26:2.6V
27:2.7V
28:2.8V
30:3.0V
31:3.1V
32:3.2V
33:3.3V
36:3.6V
37:3.7V
40:4.0V
45:4.5V
50:5.0V
MARKING
321
DATE
CODE
H3
4
5
L3383
VOLTAGE
CODE
VOLTAGE
CODE
123
PIN DESCRIPTION
PIN NO.
SOT-25 SOT-89
1
-
2
2
3
-
4
1
5
3
PIN NAME
FUNCTION
CE
V
OUT
NC
V
SS
Lx
Chip Enable
Output voltage monitor, IC internal power supply
No Connection
Ground
Switch
BLOCK DIAGRAM
UTC L3383 (V
DD
is internally connected to the V
OUT
pin.)
V
DD
Lx
V
Lx
limiter V
REF
Buffer
2step PFM Control
+
Vss
OSC100/180
kHz
-
V
OUT
Chip Enable
+
~5mV
-
CE
Note: The CE pin is only used with the 5-Lead Package.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 14
QW-R502-032,E
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