1-41
KD-LH1000
NJM2360 (IC921) : DC-DC convertor
1. Pin layout
2. Block diagram
4
GND
3
2
1
2
3
4
8
1. Cs
2. Es
3. C
T
4. GND
5. INV
IN
6. Vcc
7. S
I
8. C
D
7
6
5
1
5
6
Ipk sense
Driver
collector
Switch
collector
Switch
emitter
Timing
capacitor
Comparator
reversal input
7
8
V
+
Q
1
Q
Q S
R
2
C
OSC
COMP
A
B
C
D
V
1.25V
Ipk
T
REF
+
-
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9
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9
9
2
8
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8
0
5
1
5
1
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Q
Q
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