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UCC28070 датащи(PDF) 8 Page - Texas Instruments

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номер детали UCC28070
подробное описание детали  Two-Phase Interleaved CCM PFC Controller
PDF  27 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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UCC28070 датащи(HTML) 8 Page - Texas Instruments

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14
GDA
VCC
17
GDB
+
S
Q
Q
R
PWM1
+
S
Q
Q
R
PWM2
CLKB
OffB
IpeakB
+
+
12
CAOA
11
CAOB
Driver
Driver
8
CSB
9
CSA
10
7
CA2
CA1
CLKA
OffA
IpeakA
Gm Amp
Gm Amp
+
+
IpeakA
IpeakB
GND
PKLMT
RSYNTH
Current
Synthesizer
VINAC
VSENSE
OutA
OutB
GND
Fault
(Clamped at 13.5V)
VCC
(Clamped at 13.5V)
Fault
VSENSE
3
VAO
18 SS
4
3V
250nA
ISS
Mult.
x
x
/
VA
Gm Amp
-
+
+
+
2.8V
VINAC
5
6
IMO
Slew Rate
Correction
10uA
100uA
5V
250nA
ReStart
+
SS
4V
I
IMO
=
V
VINAC
* (V
VAO
– 1)
K
VFF
* 17uA
Voltage
Feed-
Forward
K
VFF
ReStart
10uA
+
5V
Disable
ReStart
Ext. Disable
1mA
+
Adaptive SS
Control
Logic
20
DMAX
2
RDM/
SYNC
CLKA
CLKB
OffA
OffB
SYNC
Logic
1
CDR
19
RT
Oscillator w/
Freq. Dither
+
5V
SYNC
Enable
Dither
Disable
15
VCC
+
10.2V
16
GND
13
VREF
6V
Linear
Regulator
+
8V
EN
23V
9.2V
S
Q
Q
R
+
0.75V
ReStart
C
o
ThermSD
160 On
140 Off
0.60V
VSENSE
+
3.18V
+
ZeroPwr
0.75V
VSENSE
SS
0.75V
+
VAO
OVP
Ext. Disable
0.60V
3.08V
0.90V
VINAC
In-Rush
20mV Hys.
20mV
+
Fault
UVLO
UCC28070
SLUS794 – NOVEMBER 2007
Functional Block Diagram
8
Submit Documentation Feedback
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): UCC28070



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