Ic Information - Pioneer PD-30-K Service Manual

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5.3 IC INFORMATION

A ILDF0176P0 (TNY176PN)(POWER PCB ASSY: IC501)
Energy Effi cient, Offl ine Switcher with Enhanced Flexibility and Extended Power Range
• Pin Arrangement
EN
1
2
BP/M
B
D 4
C
• Block Diagram
BYPASS/
MULTI-FUNCTION
(BP/M)
D
115 A
ENABLE
E
1.0 V + V
T
1.0 V
ENABLE
(EN)
F
16
1
2
8 S
7 S
6 S
5
S
FAULT
PRESENT
AUTO-
RESTART
COUNTER
RESET
JITTER
CLOCK
DC MAX
OSCILLATOR
OVP
LATCH
PD-30-K
2
3
REGULATOR
5.85 V
BYPASS PIN
UNDER-VOLTAGE
+
BYPASS
-
CAPACITOR
5.85 V
SELECT AND
4.9 V
CURRENT
LIMIT STATE
MACHINE
THERMAL
SHUTDOWN
S Q
R Q
3
4
DRAIN
(D)
V
I LIMIT
CURRENT LIMIT
COMPARATOR
-
+
LEADING
EDGE
BLANKING
SOURCE
(S)
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