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UCC3818ADG4 Datasheet(PDF) 3 Page - Texas Instruments

Part # UCC3818ADG4
Description  BiMOS POWER FACTOR PREREGULATOR
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC3818ADG4 Datasheet(HTML) 3 Page - Texas Instruments

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UCC2817A, UCC2818A
UCC3817A, UCC3818A
SLUS577C − SEPTEMBER, 2003 − REVISED MARCH 2009
3
www.ti.com
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature (unless otherwise noted)
UCCx81xA
UNIT
Supply voltage VCC
18
V
Supply current ICC
20
mA
Gate drive current, continuous
0.2
A
Gate drive current
1.2
A
Input voltage, CAI, MOUT, SS
8
Input voltage, PKLMT
5
V
Input voltage, VSENSE, OVP/EN
10
V
Input current, RT, IAC, PKLMT
10
mA
Input current, VCC (no switching)
20
mA
Maximum negative voltage, DRVOUT, PKLMT, MOUT
−0.5
V
Power dissipation
1
W
Junction temperature, TJ
−55 to 150
Storage temperature, Tstg
−65 to 150
°C
Lead temperature, Tsol (soldering, 10 seconds)
300
C
Power dissipation
1
W
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
TA = 0°C to 70°C for the UCC3817A and TA = −40°C to 85°C for the UCC2817A, TA = TJ, VCC = 12 V, RT = 22 kΩ,
CT = 270 pF, (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current Section
Supply current, off
VCC = (VCC turn-on threshold −0.3 V)
150
300
µA
Supply current, on
VCC = 12 V, No load on DRVOUT
2
4
6
mA
UVLO Section
VCC turn-on threshold (UCCx817)
15.4
16
16.6
VCC turn-off threshold (UCCx817)
9.4
9.7
UVLO hysteresis (UCCx817)
5.8
6.3
Maximum shunt voltage (UCCx817)
IVCC = 10 mA
15.4
17
17.5
V
VCC turn-on threshold (UCCx818)
9.7
10.2
10.8
V
VCC turn-off threshold (UCCx818)
9.4
9.7
UVLO hysteresis (UCCx818)
0.3
0.5
Voltage Amplifier Section
Input voltage
TA = 0°C to 70°C
7.387
7.5
7.613
V
Input voltage
TA = −40°C to 85°C
7.369
7.5
7.631
V
VSENSE bias current
VSENSE = VREF,
VAOUT = 2.5 V
50
200
nA
Open loop gain
VAOUT = 2 V to 5 V
50
90
dB
High-level output voltage
IL = −150 µA
5.3
5.5
5.6
V
Low-level output voltage
IL = 150 µA
0
50
150
mV


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