L3383-28-AB3-R Ver la hoja de datos (PDF) - Unisonic Technologies
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L3383-28-AB3-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
VOUT
NC
VSS
Lx
Chip Enable
Output voltage monitor, IC internal power supply
No Connection
Ground
Switch
BLOCK DIAGRAM
UTC L3383 (VDD is internally connected to the VOUT pin.)
VDD
Lx
VLx limiter VREF
Buffer
2step PFM Control +
Vss
OSC100/180 kHz
-
VOUT
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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