UCC2817 [TI]
BiCMOS POWER FACTOR PREREGULATOR; BiCMOS功率因数前置稳压器
| 型号： | UCC2817 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | BiCMOS POWER FACTOR PREREGULATOR |
| 文件： | 总14页 (文件大小：519K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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%L&026 32:(5 )$&725 35(5(*8/$725
-
-
-
-
-
-
-
-
GND
PKLMT
CAOUT
CAI
1
2
3
4
5
6
7
8
16 DRVOUT
15 VCC
14 CT
13 SS
MOUT
IAC
12 RT
11 VSENSE
10 OVP/EN
-
-
-
-
VAOUT
VFF
9
VREF
VCC
15
OVP/EN 10
SS 13
16V (FOR UCC1817 ONLY)
7.5V
REFERENCE
9
VREF
UVLO
1.9V
ENABLE
–
+
VAOUT
7
16V/10V (UCC1817)
10.5V/10V (UCC1818)
ZERO POWER
0.25V
VCC
–
+
VOLTAGE
ERROR AMP
VSENSE 11
7.5V
–
+
CURRENT
AMP
8.0V
+
–
OVP
Q
X
÷
X
MULT
–
+
16 DRVOUT
PWM
–
+
S
VFF
8
X2
PWM
LATCH
OSC
CLK
R
MIRROR
2:1
1
2
GND
CLK
OSCILLATOR
IAC
6
5
+
–
PKLMT
MOUT
4
3
12
14
CAI
CAOUT RT
CT
8&&ꢀꢁꢂꢃꢄ 8&&ꢀꢁꢂꢁꢄ 8&&ꢅꢁꢂꢃꢄ 8&&ꢅꢁꢂꢁ
%L&026 32:(5 )$&725 35(5(*8/$725
UCC
81
PACKAGE
PRODUCT OPTION
TEMPERATURE RANGE
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C10
1µF
C11
1µF
R16
100Ω
VCC
R15
24k
D7
D8
R21
R13
383k
383k
L1
IAC
1mH
R18
24k
V
D1
8A, 600V
O
V
O
F1
AC2
+
D2
6A, 600V
C14
1.5µF
400V
C13
0.47µF
600V
V
LINE
85-270 V
V
AC
OUT
Q1
D3
C12
220µF
450V
385V
DC
AC1
R14
0.25Ω
5W
D9
6A 600V
–
R17
20Ω
GND
UCC3817
R9
4.02k
R10
4.02k
R12
2k
1
2
GND
DRVOUT 16
D4
VCC
C3
PKLIMIT
1µF CER
D5
VCC 15
R11
10k
3
4
5
CAOUT
CAI
C2
100µF AI EI
C1
560pF
V
REF
MOUT
CT 14
SS 13
R8 12k
C9 1.2nF
C4 0.01µF
6
IAC
C8 270pF
R1 12k
RT 12
C7 150nF
D6
R7 100k C15 2.2µF
C6 2.2µF
VSENSE 11
V
R2
499k
R19
499k
OUT
R3 20k
7
8
VAOUT
VFF
R4
249k
R20 274k
OVP/EN 10
R5
10k
R6 30k
C5 1µF
VREF
9
V
REF
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%L&026 32:(5 )$&725 35(5(*8/$725
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%L&026 32:(5 )$&725 35(5(*8/$725
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C
f
V
OUT
C
Z
R
f
R
IN
–
R
+
D
V
REF
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%L&026 32:(5 )$&725 35(5(*8/$725
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Æ
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CP
CZ
Rf
RI
–
+
CAOUT
8&&ꢀꢁꢂꢃꢄ 8&&ꢀꢁꢂꢁꢄ 8&&ꢅꢁꢂꢃꢄ 8&&ꢅꢁꢂꢁ
%L&026 32:(5 )$&725 35(5(*8/$725
L
BOOST
V
OUT
Q
–
+
BOOST
PWM
R
SENSE
Z
f
MULT
CA
COMPARATOR
–
–
+
+
8&&ꢀꢁꢂꢃꢄ 8&&ꢀꢁꢂꢁꢄ 8&&ꢅꢁꢂꢃꢄ 8&&ꢅꢁꢂꢁ
%L&026 32:(5 )$&725 35(5(*8/$725
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%L&026 32:(5 )$&725 35(5(*8/$725
500
8.5
8
VAOUT = 5V
400
VAOUT = 4V
7.5
7
300
VAOUT = 3V
200
6.5
6
VAOUT = 2V
100
0.0
5.5
9
9.5
10
10.5
11
11.5
12
0.0
1.0
2.0
3.0
4.0
5.0
VCC-Input Voltage - V
VFF (V)
1.5
350
300
250
200
150
100
50
1.3
1.1
0.9
0.7
0.5
IAC = 500mA
IAC = 150µA
IAC = 300µA
IAC = 150mA
IAC = 500µA
IAC = 300mA
0.0
0
1
2
3
4
5
5
1
2
3
4
VAO (V)
VAO (V)
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