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UT2306-3.3V 데이터시트(PDF) 5 Page - Unisonic Technologies

부품명 UT2306-3.3V
상세설명  LINEAR INTEGRATED CIRCUIT
PDF  19 Pages
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제조업체  UTC [Unisonic Technologies]
홈페이지  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UT2306-3.3V 데이터시트(HTML) 5 Page - Unisonic Technologies

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UTCUT2306/UT2306-3.3V/UT2306-5.0V
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R103-029,A
V
OUT
100mV / DIV
AC COUPLED
Load Transient
Response
100 μ s / DIV
ILOAD
200mA
0
V
OUT
100mV/DIV
AC COUPLED
Burst Mode Operation
20μ s/DIV
I L
500mA/DIV
Vs w
5V/DIV
VIN=2.5V
VOUT=5V
ILOAD=185mA
L=22 μ H
BLOCK DIAGRAMS
2
4
3
1
8
5
6
7
TIMERS
6μs ON
1.5μs OFF
1.5V
UNDERVOLTA
GELOCKOUT
+
-
-
+
A1
A2
+
-
ENABLE
DRIVER
GND
ILIM
SHDN
SHUTDOWN
1.24V
VREF
Q2
×
1
Q1
×
200
1K
Q3
BIAS
-1V
R2
36mV
R1
7.2Ω
VIN
SW
C1
+
C2
+
D1
L1
VIN
VOUT
LBO
LBI
A3
1.17V
R3
R4
FB
OFF
1K
Figure 1. UT2306 Block Diagram. Independent Low-Battery Detector A3 Remains Alive When Device Is in Shutdown



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