參數資料
型號： UCC28517NE4
廠商： Texas Instruments, Inc.
元件分類： 基準電壓源/電流源
英文描述： ADVANCED PFC/PWM COMBINA CONTROLLERS
中文描述： 高級式PFC /脈寬調制COMBINA控制器
文件頁數： 5/39頁
文件大?。?/td> 725K
代理商： UCC28517NE4
SLUS517B DECEMBER 2002 REVISED AUGUST 2004
5
www.ti.com
ELECTRICAL CHARACTERISTICS
T
A
= –40
°
C to 105
°
C for the UCC2851x, T
A
= T
J
, VCC = 12 V, R
T
= 156 k
,
R
CT_BUFF
= 10 k
(unless otherwise noted)
current amplifier
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input offset voltage
VCM = 0 V,
VCM = 0 V,
VCM = 0 V,
VCM = 0 V,
0 V
≤
VCM
≤
1.5 V, VCAOUT = 3 V
ILOAD = –500
μ
A
ILOAD = 500
μ
A
See Note 1
VCAOUT = 3 V
VCAOUT = 3 V
VCAOUT = 3 V
2 V
≤
VCAOUT
≤
5 V
–5
0
5
mV
Input bias current
50
100
nA
Input offset current
25
100
Open loop gain
90
dB
Commonmode rejection ratio
80
High-level output voltage
5.6
6.3
7.0
V
Low-level output voltage
Gain bandwidth product(1)
0
0.2
0.5
2.0
MHz
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
fPWM, PWM frequency, initial accuracy
Frequency, voltage stability
TA = 25
°
C
10.8 V
≤
VCC
≤
15 V
Line, Temp
170
200
230
kHz
1%
1%
Frequency, total variation
160
240
kHz
dc-to-dc ramp peak voltage
dc-to-dc ramp amplitude voltage(1)
(peak-to-peak)
4.5
5.0
5.5
4.0
V
PFC ramp peak voltage
4.5
5.0
5.5
PFC ramp amplitude voltage (peak-to-peak)
3.5
4.0
4.5
voltage reference
PARAMETER
TEST CONDITIONS
MIN
7.39
TYP
7.50
MAX
7.61
UNITS
V
Input voltage
25
°
C
Over temperature
7.35
7.50
7.65
V
Load regulation
IREF = 1 mA to 6 mA
10.8 V
≤
VCC
≤
15 V
VREF = 0V
5
15
mV
Line regulation
1
10
Short circuit current
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
IMOUT, high-line high-power output current
IMOUT, low-line low-power output current
IMOUT, low-line high-power output current
IMOUT, IAC-limited output current
Gain constant (k)
IAC = 500
μ
A, VFF = 4.7 V,
IAC = 500
μ
A, VFF = 4.7 V,
IAC = 150
μ
A, VFF = 1.4 V,
IAC = 150
μ
A, VFF = 1.4 V,
IAC = 150
μ
A, VFF = 1.3 V,
IAC = 300
μ
A, VFF = 2.8 V,
IAC = 150
μ
A, VFF = 1.4 V,
IAC = 500
μ
A, VFF = 4.7 V,
IAC = 500
μ
A, VFF = 4.7 V,
IAC = 150
μ
A, VFF = 1.4 V,
VAOUT = 1.25 V
3
–6
9
VAOUT = 5 V
75
–90
110
VAOUT = 1.25 V
10
–15
50
μ
A
VAOUT = 5 V
245
–290
330
VAOUT = 5 V
245
–290
330
VAOUT = 2.5 V
0.8
1
1.2
1/V
μ
A
μ
A
μ
A
μ
W
VAOUT = 0.25 V
0
–0.2
IMOUT, zero current
VAOUT = 0.25 V
0
–0.2
VAOUT = 0.5 V
0
–0.2
Power limit (IMOUT
×
VFF)
1. Ensured by design. Not 100% tested in production.
VAOUT = 5 V
343
–406
462
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參數描述
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UCC28521DWG4 功能描述:功率因數校正 IC Adv PWM/PFC Combo Cntrlr RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
UCC28521DWR 功能描述:功率因數校正 IC PWM/PFC Controller w/TEM/TEM Modulation RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
UCC28521DWRG4 功能描述:功率因數校正 IC PWM/PFC Controller w/TEM/TEM Modulation RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
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