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UCC2817NG4 Datasheet(PDF) 4 Page - Texas Instruments

Part # UCC2817NG4
Description  BCMOS POWER FACTOR PREREGULATOR
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC2817NG4 Datasheet(HTML) 4 Page - Texas Instruments

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UCC2817, UCC2818, UCC3817, UCC3818
BiCMOS POWER FACTOR PREREGULATOR
SLUS395J - FEBRUARY 2000 - REVISED MARCH 2009
4
www.ti.com
electrical characteristics, TA = 0°C to 70°C for the UCC3817 and TA = −40°C to 85°C for the UCC2817, TA
= TJ, VCC = 12 V, RT = 22 kΩ, CT = 270 pF, (unless otherwise noted)
voltage reference section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
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
Load regulation
IREF = 1 mA to 2 mA
0
10
mV
Line regulation
VCC = 10.8 V to 15 V,
See Note 2
0
10
mV
Short-circuit current
VREF = 0 V
−20
−25
−50
mA
NOTES:
2. Reference variation for VCC < 10.8 V is shown in Figure 8.
oscillator section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Initial accuracy
TA = 25°C
85
100
115
kHz
Voltage stability
VCC = 10.8 V to 15 V
−1
1
%
Total variation
Line, temp
80
120
kHz
Ramp peak voltage
4.5
5
5.5
V
Ramp amplitude voltage
(peak to peak)
3.5
4
4.5
V
peak current limit section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PKLMT reference voltage
−15
15
mV
PKLMT propagation delay
150
350
500
ns
multiplier section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
IMOUT, high line, low power output
current, (0
°C to 85°C)
IAC = 500 µA,
VFF = 4.7 V,
VAOUT = 1.25 V
0
−6
−20
µA
IMOUT, high line, low power output
current, (−40
°C to 85°C)
IAC = 500 µA,
VFF = 4.7 V,
VAOUT = 1.25 V
0
−6
−23
µA
IMOUT, high line, high power output
current
IAC = 500 µA,
VFF = 4.7 V,
VAOUT = 5 V
−70
−90
−105
µA
IMOUT, low line, low power output
current
IAC = 150 µA,
VFF = 1.4 V,
VAOUT = 1.25 V
−10
−19
−50
µA
IMOUT, low line, high power output
current
IAC = 150 µA,
VFF = 1.4 V,
VAOUT = 5 V
−268
−300
−345
µA
IMOUT, IAC limited output current
IAC = 150 µA,
VFF = 1.3 V,
VAOUT = 5 V
−250
−300
−400
µA
Gain constant (K)
IAC = 300 µA,
VFF = 3 V,
VAOUT = 2.5 V
0.5
1
1.5
1/V
IMOUT, zero current
IAC = 150 µA,
VFF = 1.4 V,
VAOUT = 0.25 V
0
−2
µA
IMOUT, zero current
IAC = 500 µA,
VFF = 4.7 V,
VAOUT = 0.25 V
0
−2
µA
IMOUT, zero current, (0°C to 85°C)
IAC = 500 µA,
VFF = 4.7 V,
VAOUT = 0.5 V
0
−3
µA
IMOUT, zero current, (−40°C to 85°C)
IAC = 500 µA,
VFF = 4.7 V,
VAOUT = 0.5 V
0
−3.5
µA
Power limit (IMOUT x VFF)
IAC = 150 µA,
VFF = 1.4 V,
VAOUT = 5 V
−375
−420
−485
µW


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