UT2306-3.3V データシートの表示（PDF） - Unisonic Technologies
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UT2306-3.3V
Unisonic Technologies
UT2306-3.3V Datasheet PDF : 19 Pages
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UTC UT2306/UT2306-3.3V/UT2306-5.0V
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
VIN
SW Voltage
FB Voltage(UT2306)
ILIM Voltage(UT2306-3.3/UT2306-5.0)
SHDN Voltage
LBI Voltage
LBO Voltage
Maximum Power Dissipation
PD
Junction Temperature
Tj
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
Lead Temperature (soldering,10sec)
RATING
8
-0.4 ~ +25
VIN+0.3
5
6
VIN
8
500
125
0 ~ 70
-65 ~ +150
300
UNIT
V
V
V
V
V
V
V
mW
°C
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VIN=2V,VSHDN=2V Unless otherwise noted.)
PARAMETER
TEST CONDITIONS
MIN TYP
Minimum Operating Voltage
*
1.5
Operating Voltage Range
Quiescent Current
Quiescent Current In Shutdown
Comparator Trip Point
FB Pin Bias Current
Sense Pin Leakage in Shutdown
*
* VSHDN=2V,Not switching
* VSHDN=0V,VIN=2V
* VSHDN=0V,VIN=5V
*
*
* VSHDN=0V,Fixed Output Versions
120
7
27
1.22 1.24
10
0.002
Line Regulation
* 1.8V≤VIN≤8V
0.04
LBI Input Threshold
* Falling Edge
1.10 1.17
LBI Bias Current
*
6
LBI Input Hysteresis
*
35
LBO Output Voltage Low
* ISINK=500µA
0.2
LBO Output Leakage Current
SHDN Input Voltage High
SHDN Input Voltage Low
SHDN Pin Bias Current
* LBI=1.5V,LBO=5V
*
*
* V SHDN=5V
* V SHDN=0V
0.01
1.4
5
-5
-2
Switching Off Time
*
1
1.5
Switch On Time
* Current Limit Not Asserted
4
6
Maximum Duty Cycle
* Current Limit Not Asserted
76 80
Peak Switch Current
ILIM Pin Open,VIN=5V
20K from ILIM to GND
0.8 1
500
Isw=1A
0.37
Switch Saturation Voltage
* Isw=700mA
0.26
Switch Leakage
Switch off, Vsw=5V
0.01
MAX
1.65
8
200
15
50
1.26
25
1
0.15
1.25
20
65
0.4
0.1
0.4
8
2
8
88
1.2
0.35
7
UNIT
V
V
µA
µA
µA
V
nA
µA
%/V
V
nA
mV
V
µA
V
V
µA
µA
µs
µs
%
A
mA
V
V
µA
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
QW-R103-029,A
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