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EN 156
9.
9.8
IC Data Sheets
In this paragraph, the internal block diagrams and pinning are
given of ICs that are drawn as a 'black box' in the electrical
diagrams (with the exception of 'memory' and 'logic' ICs).
9.8.1
Diagram B, TNY256 (IC7103)
Internal Block Diagram and Pinning
1
BYPASS
(BP)
50 A
4
ENABLE/
UNDER-VOLTAGE
(EN/UV)
MG3.2E
Circuit Descriptions, Abbreviation List and Data Sheets
LINE UNDER-VOLTAGE
AUTO-
RESTART
COUNTER
CLOCK
RESET
JITTER
CLOCK
1.5 V + V TH
DC MAX
OSCILLATOR
1.5 V
BYPASS PIN
UNDER-VOLTAGE
+
5.8 V
-
5.1 V
THERMAL
SHUTDOWN
S
Q
R
Q
BP
S
1
8
S
S
2
7
S
S
3
6
EN/UV
D
4
5
Figure 9-17
REGULATOR
5.8 V
+
-
V I
LIMIT
LEADING
EDGE
BLANKING
CL 165320
5
DRAIN
(D)
SOURCE
(S)
99
113
_
.eps
270901
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