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L1803G-SH2-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 L1803G-SH2-R
功能描述  Programmable soft-start provides linear voltage startup
PDF  6 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

L1803G-SH2-R 数据表(HTML) 4 Page - Unisonic Technologies

  L1803G-SH2-R Datasheet HTML 1Page - Unisonic Technologies L1803G-SH2-R Datasheet HTML 2Page - Unisonic Technologies L1803G-SH2-R Datasheet HTML 3Page - Unisonic Technologies L1803G-SH2-R Datasheet HTML 4Page - Unisonic Technologies L1803G-SH2-R Datasheet HTML 5Page - Unisonic Technologies L1803G-SH2-R Datasheet HTML 6Page - Unisonic Technologies  
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L1803
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R102-058.c
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage Range
VIN, VVCC
-0.3~+6
V
Enable Voltage Range
VEN
-0.3~+6
V
Power-Good Voltage Range
VPG
-0.3~+6
V
Soft-Start Voltage Range
VSS
-0.3~+6
V
Feedback Voltage Range
VFB
-0.3~+6
V
Output Voltage Range
VOUT
-0.3~VIN +0.3
V
Maximum Output Current
IOUT
Internally Limited
Junction Temperature
TJ
-40~+150
°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.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Input Voltage (Note)
VIN
1.0
5.5
V
Bias Voltage
VVCC
2.7
5.5
V
Output Current
IOUT
0
1.5
A
Operating Ambient Temperature
TA
-40
85
°C
Note: At VIN =1V, the maximum load currents may be lower than 1.5A.
THERMAL RESISTANCES CHARACTERISTICS
PARAMETER
SYMBOL
RATINGS
UNIT
HSOP-8
150
°C/W
Junction to Ambient
DFN-10(3×3)
θJA
72 (Note )
°C/W
Note: The PCB area is 4 times larger than that of IC’s
ELECTRICAL CHARACTERISTICS
At VEN=1.1V, VIN=VOUT+0.5V, CVCC=0.1uF, CIN=COUT=10uF, IOUT=50mA, VVCC=5.0V, and TA=-40°C~+85°C, unless
otherwise noted. Typical values are at TA=+25°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage Range
VIN
VOUT+VDO
5.5
V
Bias Pin Voltage Range (Note 2)
VVCC
2.7
5.5
V
Internal Reference (Adj.)
VREF
TA=+25°C
0.792
0.8
0.808
V
Output Voltage Range
VIN=5V, IOUT=1.5A
0.8
3.3
V
Accuracy (Note 2)
VOUT
3V≤VVCC≤5.5V,
50mA≤IOUT≤1.5A
-2
±0.5
2
%
Line Regulation
∆VOUT / ∆VIN
/ VOUT
VOUT (NOM)+0.5≤VIN,
5.5V
　
0.02
%/V
Load Regulation
∆VOUT / VOUT
/ ∆IOUT
50mA≤IOUT≤1.5A
0.08
%/V
IOUT=1.5A,
VVCC-VOUT(NOM)≥3.25V
150
270
mV
Dropout Voltage (Note 3)
VDO
IOUT=1.5A, VIN=VVCC
1.5
1.7
V
Current Limit
ICL
VOUT=80%xVOUT (NOM)
2
3
4
A
Short-Circuit Current
ISHORT
VOUT<0.2V
0.6
1.1
A
Bias Pin Current
IVCC
1
2
mA
Shutdown Supply Current (IGND)
ISHDN
VEN≤0.4V
70
100
µA
Feedback Pin Current
IFB
-1
0.1
1
µA



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