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UC3854XG-S16-R bảng dữ liệu(PDF) 4 Page - Unisonic Technologies

tên linh kiện UC3854XG-S16-R
Giải thích chi tiết về linh kiện  ENHANCED HIGH POWER FACTOR PREREGULATOR
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nhà sản xuất  UTC [Unisonic Technologies]
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UC3854
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R103-082.a
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
22
V
Continuous
0.5
A
GT Drv Current
50% Duty Cycle
IOUT
1.5
A
VSENSE, VRMS
11
V
ISENSE, Mult Out
11
V
PKLMT
5
V
Input Voltage
RSET, IAC PKLMT, ENA
VIN
10
mA
Power Dissipation
PD
1
W
Storage Temperature
TSTG
-65~+150
°C
Notes: 1. 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.
2. All voltages with respect to Gnd (Pin 1)
3. All currents are positive into the specified terminal
ELECTRICAL CHARACTERISTICS
Unless otherwise stated, VCC=18V, RT=8.2k, CT=1.5nF, PKLMT=1V, VRMS=1.5V, IAC=100uA, I=0V, CA Out=3.5V, VA
Out=5V, VSENSE=3V, 0°C <TA<70°C, TA=TJ.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
Overall
Supply Current, Off
ICC(On)
CAO, VAO = 0V, VCC= UVLO - 0.3V
250
400
uA
Supply Current, On
ICC(Off)
12
18
mA
UC3854A
16
17.5
V
VCC Turn-On Threshold
VCC(On)
UC3854B
10.5
11.2
V
VCC Turn-OFF Threshold
VCC(Off)
UC3854A/B
9
10
V
VCC Clamp
VCC(Clamp) I(VCC) = ICC(on) + 5mA
18
20
22
V
Voltage Amplifier
Input Voltage
VSENSE
2.9
3.0
3.1
V
VSENSE Bias Current
IVSENSE
-500
-25
500
nA
Open Loop Gain
AVA
VOUT= 2 ~ 5V
70
100
dB
VOUT High
VHV
ILOAD= -500uA
6
V
VOUT Low
VLV
ILOAD= 500uA
0.3
0.5
V
Output Short Circuit Current
ISCV
VOUT= 0V
1.5
3.5
mA
Gain Bandwidth Product
GBV
Fin = 100kHz, 10mV p-p, (Note 1)
1
mHz
Current amplifier
TA=+25°C
-4
0
mV
Input Offset Voltage
IOFFC
VCM= 0V
Overtemp
-5.5
0
mV
Input Bias Current(sense)
ICSENSE
VCM= 0V
-500
500
nA
Open Loop Gain
ACA
VCM= 0V, VOUT= 2 ~ 6V
80
110
dB
VOUT High
VHC
ILOAD= -500uA
8
V
VOUT Low
VLC
ILOAD= 500uA
0.3
0.5
V
Output Short Circuit Current
ISCC
VOUT= 0V
1.5
3.5
mA
Common Mode Range
VCMC
-0.3
5
V
Gain Bandwidth Product
GBC
Fin = 100kHz, 10mV p-p, (Note 1)
3
5
mHz
Reference
IREF = 0mA, TA= 25°C
7.4
7.5
7.6
V
Output Voltage
VREF
IREF= 0mA
7.35
7.5
7.65
V
Load Regulation
△VLOAD IREF= 1 ~ 10mA
0
8
20
mV
Line Regulation
△VLINE VCC=12 ~ 18V
0
14
25
mV
Short Circuit Current
ISCR
VREF= 0V
25
35
60
mA



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