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UC3854XG-S16-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # UC3854XG-S16-R
Description  ENHANCED HIGH POWER FACTOR PREREGULATOR
PDF  6 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3854XG-S16-R Datasheet(HTML) 5 Page - Unisonic Technologies

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UC3854
Advance
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
5 of 6
www.unisonic.com.tw
QW-R103-082.b
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
Oscillator
Initial Accuracy
f0
TA= 25°C
85
100
115
kHz
Voltage Stability
△fVCC
VCC=12 ~ 18V
1
%
Total Variation
fT
Line, Temp
80
120
kHz
Ramp Amplitude (p-p)
VPP
4.9
5.9
V
Ramp Valley Voltage
VVAL
0.8
1.3
V
Enable/Softstart /Current Limit
Enable Threshold
VENA
2.35
2.55
2.8
V
Enable Hysteresis
VHYS
VFAULT= 2.5V
500
600
mV
Enable Input Bias Current
IENA
VENABLE= 0V
-2
-5
uA
Propagation Delay to Disable
TENA
Enable Overdrive= -100mV (Note 1)
300
ns
SS Charge Current
ISS
VSOFTSTART= 2.5V
10
14
24
PKLMT Offset Voltage
VOFFP
-15
15
mV
PKLMT Input Current
IPK
VPKLMT= -0.1V
-200
-100
uA
PKLMT Propagation Delay
TPK
(Note 1)
150
ns
Multiplier
Output Current - IAC Limited
ILIM
IAC=100mA, VRMS= 1V, RSET= 10k
-220
-200
-170
uA
Output Current - Zero
IZERO
IAC=0uA, RSET= 10k
-2.0
-0.2
2.0
uA
Output Current - Power Limited
IPLIM
VRMS= 1.5V, Va = 6V
-230
-200
-170
uA
Output Current
IMULT
VRMS= 1.5V, Va= 2V
-22
uA
VRMS= 1.5V, Va= 5V
-156
uA
VRMS= 5V, Va= 2V
-2
uA
VRMS= 5V, Va= 5V
-14
uA
Gain Constant
K
(Note 2) VRMS= 1.5V, TJ= 25°C, Va = 6V
-1.1
-1.0
-0.9
A/A
Gate Driver
Output High Voltage
VHG
IOUT= -200mA, VCC=15V
12
12.8
v
Output Low Voltage Output
Low (UVLO)
VLG
IOUT= 200mA
1
2.2
V
IOUT= 10mA
300
500
mV
IOUT= 50mA, VCC=0V
0.9
1.5
V
Output Rise / Fall Time
TRF
CLOAD= 1nF (Note 1)
35
ns
Output Peak Current
IPEAK
CLOAD= 10nF (Note 1)
1.0
A
Notes: 1. Guaranteed by design, not 100% tested in production
2. Gain constant (K)=
MO
2
RMS
AC
I
*
V
1.5V)
*(Va
I



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