ncp1053b ON Semiconductor, ncp1053b Datasheet - Page 3
ncp1053b
Manufacturer Part Number
ncp1053b
Description
Monolithic High Voltage Gated Oscillator Power Switching Regulator
Manufacturer
ON Semiconductor
Datasheet
1.NCP1053B.pdf
(26 pages)
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V
Fault Timing/
V
Control
CC
CO
AC Line
Input
+
Bypass/
Sweep
Control
Input
V
CC
10 V
48 mA
48 mA
NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
V
10 V
CC
2.6 V
3.3 V
+
+
Undervoltage
Lockout
I
I
H
H
+
+
= 10 mA
= 10 mA
Startup/V
+
−
7.5/8.5 V
−
+
4.5 V
+
Figure 2. Representative Block Diagram
CC
Reg
http://onsemi.com
Shutdown
Ground
Oscillator
Detector
Thermal
Fault
3
Current Limit
Comparator
Startup
Circuit
Turn On
Latch
R
S
Snubber
S
R
Q
Q
+
−
Fault
Latch
Turn Off
+
Ck
Latch
R
Power Switch Circuit Output
Leading Edge
Q
Blanking
Internal
Bias
Driver
+
R
SENSE
Power
Switch
Circuit
Converter
DC Output
+
−
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