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UCC28511DW Datasheet(PDF) 5 Page - Texas Instruments

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Part # UCC28511DW
Description  ADVANCED PFC/PWM COMBINATION CONTROLLERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28511DW Datasheet(HTML) 5 Page - Texas Instruments

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UCC28510, UCC28511, UCC28512, UCC28513,
UCC28514, UCC28515, UCC28516, UCC28517
SLUS517B − DECEMBER 2002 − REVISED AUGUST 2004
5
www.ti.com
ELECTRICAL CHARACTERISTICS
TA = –40°C to 105°C for the UCC2851x, TA = TJ, VCC = 12 V, RT = 156 kΩ, RCT_BUFF = 10 kΩ
(unless otherwise noted)
current amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input offset voltage
VCM = 0 V,
VCAOUT = 3 V
–5
0
5
mV
Input bias current
VCM = 0 V,
VCAOUT = 3 V
−50
−100
nA
Input offset current
VCM = 0 V,
VCAOUT = 3 V
25
100
nA
Open loop gain
VCM = 0 V,
2 V
≤ VCAOUT ≤ 5 V
90
dB
Common−mode rejection ratio
0 V
≤ VCM ≤ 1.5 V, VCAOUT = 3 V
80
dB
High-level output voltage
ILOAD = –500 µA
5.6
6.3
7.0
V
Low-level output voltage
ILOAD = 500 µA
0
0.2
0.5
V
Gain bandwidth product(1)
See Note 1
2.0
MHz
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
fPWM, PWM frequency, initial accuracy
TA = 25°C
170
200
230
kHz
Frequency, voltage stability
10.8 V
≤ VCC ≤ 15 V
−1%
1%
Frequency, total variation
Line, Temp
160
240
kHz
dc-to-dc ramp peak voltage
4.5
5.0
5.5
dc-to-dc ramp amplitude voltage(1)
(peak-to-peak)
4.0
V
PFC ramp peak voltage
4.5
5.0
5.5
V
PFC ramp amplitude voltage (peak-to-peak)
3.5
4.0
4.5
voltage reference
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input voltage
25
°C
7.39
7.50
7.61
V
Input voltage
Over temperature
7.35
7.50
7.65
V
Load regulation
IREF = −1 mA to −6 mA
5
15
mV
Line regulation
10.8 V
≤ VCC ≤ 15 V
1
10
mV
Short circuit current
VREF = 0V
−20
–25
−50
mA
peak current limit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PKLMT reference voltage
–20
0
20
mV
PKLMT propagation delay
PKLMT to GT1
150
300
500
ns
multiplier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
IMOUT, high-line low-power output current
IAC = 500 µA, VFF = 4.7 V,
VAOUT = 1.25 V
−3
–6
−9
IMOUT, high-line high-power output current
IAC = 500 µA, VFF = 4.7 V,
VAOUT = 5 V
−75
–90
−110
IMOUT, low-line low-power output current
IAC = 150 µA, VFF = 1.4 V,
VAOUT = 1.25 V
−10
–15
−50
µA
IMOUT, low-line high-power output current
IAC = 150 µA, VFF = 1.4 V,
VAOUT = 5 V
−245
–290
−330
µA
IMOUT, IAC-limited output current
IAC = 150 µA, VFF = 1.3 V,
VAOUT = 5 V
−245
–290
−330
Gain constant (k)
IAC = 300 µA, VFF = 2.8 V,
VAOUT = 2.5 V
0.8
1
1.2
1/V
IAC = 150 µA, VFF = 1.4 V,
VAOUT = 0.25 V
0
–0.2
µA
IMOUT, zero current
IAC = 500 µA, VFF = 4.7 V,
VAOUT = 0.25 V
0
–0.2
µA
IMOUT, zero current
IAC = 500 µA, VFF = 4.7 V,
VAOUT = 0.5 V
0
–0.2
µA
Power limit (IMOUT × VFF)
IAC = 150 µA, VFF = 1.4 V,
VAOUT = 5 V
−343
–406
−462
µW
1. Ensured by design. Not 100% tested in production.


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