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L3383-XX-AF5-R 数据表(PDF) 2 Page - Unisonic Technologies

部件名 L3383-XX-AF5-R
功能描述  PFM CONTROLLED, STEP-UP DC/DC CONVERTERS (VARIABLE DUTY RATIO)
PDF  14 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

L3383-XX-AF5-R 数据表(HTML) 2 Page - Unisonic Technologies

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L3383
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
2 of 14
www.unisonic.com.tw
QW-R502-032,E
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
SOT-25
5
4
3
VOLTAGE
CODE
2
1
H 3
SOT-89
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
123
L3383
DATE
CODE
VOLTAGE
CODE
PIN DESCRIPTION
PIN NO.
SOT-25 SOT-89
PIN NAME
FUNCTION
1
-
CE
Chip Enable
2
2
VOUT
Output voltage monitor, IC internal power supply
3
-
NC
No Connection
4
1
VSS
Ground
5
3
Lx
Switch
BLOCK DIAGRAM
2step PFM Control
OSC100/180 kHz
Chip Enable
Buffer
VLx limiter
VREF
+
-
+
-
VOUT
VDD
CE
Vss
Lx
UTC L3383 (VDD is internally connected to the VOUT pin.)
Note: The CE pin is only used with the 5-Lead Package.
~5mV



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