lnk302 Power Integrations, Inc., lnk302 Datasheet - Page 2
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lnk302
Manufacturer Part Number
lnk302
Description
Lowest Component Count, Energy-ef?cient Off-line Switcher Ic
Manufacturer
Power Integrations, Inc.
Datasheet
1.LNK302.pdf
(20 pages)
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Rev. H 12/06
Figure 2a. Functional Block Diagram (LNK302).
Figure 2b. Functional Block Diagram (LNK304-306).
2-2
2
LNK302/304-306
FEEDBACK
BYPASS
FEEDBACK
(FB)
(BP)
BYPASS
(FB)
(BP)
1.65 V -V
1.65 V -V
T
T
6.3 V
6.3 V
OSCILLATOR
JITTER
OSCILLATOR
COUNTER
JITTER
RESTART
CLOCK
AUTO-
DC
CLOCK
DC
CLOCK
RESET
MAX
MAX
PRESENT
FAULT
4.85 V
4.85 V
5.8 V
5.8 V
SHUTDOWN
SHUTDOWN
THERMAL
THERMAL
+
+
-
-
S
R
R
S
BYPASS PIN
UNDER-VOLTAGE
Q
Q
BYPASS PIN
UNDER-VOLTAGE
Q
Q
REGULATOR
REGULATOR
5.8 V
5.8 V
CURRENT LIMIT
COMPARATOR
BLANKING
CURRENT LIMIT
COMPARATOR
LEADING
BLANKING
LEADING
EDGE
EDGE
+
-
+
-
V I
LIMIT
V I
LIMIT
PI-3904-020805
PI-2367-021105
SOURCE
DRAIN
SOURCE
(D)
(S)
DRAIN
(D)
(S)