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Description
NCP1560(2003) View Datasheet(PDF) - ON Semiconductor
Part Name
Description
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NCP1560
(Rev.:2003)
Full Featured Voltage Mode PWM Controller
ON Semiconductor
NCP1560 Datasheet PDF : 18 Pages
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NCP1560
1
V
in
13.8 mA
Disable
V
AUX
16
V
AUX
C
AUX
14
GND
+
11 V/7 V
-
V
in
+
+
1.49 V
-
-
2
Disable_V
REF
One Shot
Pulse
(250 ns)
S
Q
Monotonic
Start
Latch
(Reset
Dominant)
R
5.0 V Reference
DIS
V
REF
11
Disable_V
REF
R
D
UV/OV
+
-
+
3.6 V-
V
REF
CSKIP
11
m
A
Disable
-
+
6
C
CSKIP
5
CS
-
+
+
One Shot
2V
-
Pulse
(600 ns)
+
-
+
0.6 V
-
Clock
STOP
Disable_ss
S
Q
Output
Latch
(Reset
Dominant)
R
Delay
Logic
12
t
D
DIS
15
OUT1
V
AUX
DIS
13
OUT2
V
AUX
9
SS
C
SS
7
R
T
R
T
V
in
R
FF
4
FF
V
REF
+
+-
0.5 V
-
Disable_ss
Soft Start
- +
Comparator
CURRENT MIRROR
I
1
I
1
2
Oscillator Ramp
2V
STOP
10 pF
+
1.3 V*
-
* Trimmed during
manufacturing to obtain
1.3 V with R
T
= 101 k
W
+
2V
-
Clock
5.3 k
W
+
I
FF
6.7 k
W
V
-
I
+
V
125 k
W
+
-
One Shot
Pulse
FF Ramp
(Adjustable)
+
-
+
2V
-
PWM
Comparator
+-
10
V
EA
2 k
W
20 k
W
Max DC
+ - Comparator
2V
40 k
W
+
32 k
W
V
DC(inv)
-
27 k
W
V
REF
R
MDP
8
DC
MAX
R
P
10 pF C
FF
Figure 2. NCP1560 Functional Block Diagram
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