 English |
|
|
|
|
|
|
|
| UCC28600-Q1 Datasheet, PDF (5/30 Pages) Texas Instruments – 8-PIN QUASI-RESONANT FLYBACK GREEN-MODE CONTROLLER | |||
| |||
| ◁ |
www.ti.com
UCC28600-Q1
OPEN LOOP TEST CIRCUIT
SLUSAB4 â DECEMBER 2010
RCST
+ 5V
37.4 kâ¦
See Note
UCC28600
CCST
560 pF
See Note
1 SS STATUS 8
CSS
3.3 nF
ROVP
500 â¦
VFB
2 FB
OVP 7
CFB
47 pF
VCS
ICS
3 CS
VDD 6
STATUS
IOVP
VOVP
IDD VDD
GND
4 GND OUT 5
CDD 100 nF
CBIAS 1 µF
VOUT
ROUT
10 â¦
COUT
1.0 nF
NOTE
RCST and CCST are not connected for maximum and minimum duty cycle tests, current
sense tests and power limit tests.
BLOCK DIAGRAM/TYPICAL APPLICATION
CBULK
RSU
UCC28600
VDD
6
STATUS 8
REF
On-Chip
Thermal
Shutdown
5.0
VREF
UVLO
Fault Logic
REF_OK
UVLO
OVR_T
LOAD_OVP
STATUS
LINE_OVP
SS_DIS
CS
SS_OVR
BURST
RUN
SS
1
CSS
Feedback
FB
2
OSCILLATOR
RUN
SS_OVR QR_DONE
OSC_CL
CLK
+
REF
20 kW
GREEN MODE
OSC_CL
FB
FB_CLAMP
GAIN = 1/2.5
+
1.5R
R
PL
1.2 V
RVDD
CVDD
ROVP1
OVP
7
ROVP2
+ 26 V
13/8 V
QR DETEC_T___
LOAD_OVP OUT
LINE_OVP
CS
BURST
QR_DONE
REF
SET
DQ
Q
CLR
Modulation
Comparison
400 mV
VDD
5 OUT
CS
3
RPL
RCS
GND
4
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): UCC28600-Q1
Submit Documentation Feedback
5
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese