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參數(shù)資料
| 型號： | UC2306L-50-S08-T |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.2 A SWITCHING REGULATOR, PDSO8 |
| 封裝： | LEAD FREE, SOP-8 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 501K |
| 代理商： | UC2306L-50-S08-T |
UC2306
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 12
www.unisonic.com.tw
QW-R103-029,B
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
Input Voltage
VIN
8
V
SW Voltage
VSW
-0.4 ~ +25
V
FB Voltage(UC2306)
VFB
VIN+0.3
V
ILIM Voltage(UC2306-3.3/UC2306-5.0)
VILIM
5
V
SHDN Voltage
VSHDN
6
V
LBI Voltage
VLBI
VIN
V
LBO Voltage
VLBO
8
V
Maximum Power Dissipation
PD
500
mW
Junction Temperature
TJ
125
°C
Operating Temperature
TOPR
0 ~ +70
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (VIN=2V, VSHDN=2V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum Operating Voltage
VCC(MIN)
1.5
1.65
V
Operating Voltage
VIN
8
V
Quiescent Current
IQ
V SHDN =2V, Not switching(Note)
120
200
A
V SHDN =0V, VIN=2V(Note)
7
15
A
Quiescent Current In Shutdown
ISD
V SHDN =0V, VIN=5V(Note)
27
50
A
Comparator Trip Point
(Note)
1.22
1.24
1.26
V
FB Pin Bias Current
IFB
(Note)
10
25
nA
Sense Pin Leakage in Shutdown
ILEAK(SD)
V SHDN =0V, Fixed Output
Versions(Note)
0.002
1
A
Line Regulation
ΔVOUT
1.8V≤VIN≤8V (Note)
0.04
0.15
%/V
LBI Input Threshold
VLBI(THR) Falling Edge(Note)
1.10
1.17
1.25
V
LBI Bias Current
ILBI (BIAS) (Note)
6
20
nA
LBI Input Hysteresis
ILBI (HYS)
(Note)
35
65
mV
LBO Output Voltage Low
VLBO(OL) ISINK=500A(Note)
0.2
0.4
V
LBO Output Leakage Current
ILBO(LEAK) LBI=1.5V, LBO=5V(Note)
0.01
0.1
A
High
(Note)
1.4
V
SHDN Input Voltage
Low
V SHDN
(Note)
0.4
V
V SHDN =5V(Note)
5
8
A
SHDN Pin Bias Current
I SHDN
V =0V(Note)
-5
-2
A
Switching Off Time
tOFF
(Note)
1
1.5
2
s
Switch On Time
tON
Current Limit Not Asserted (Note)
4
6
8
s
Maximum Duty Cycle
tDUTY
Current Limit Not Asserted (Note)
76
80
88
%
ILIM Pin Open, VIN=5V
0.8
1
1.2
A
Peak Switch Current
I (SW)
20K from ILIM to GND
500
mA
Isw=1A
0.37
V
Switch Saturation Voltage
VSW(SAT)
Isw=700mA(Note)
0.26
0.35
V
Switch Leakage
ILEAK(SW) Switch off, Vsw=5V
0.01
7
A
Note: Denotes specifications which apply over the 0
°C to 70°C operating temperature range.
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