ncp1053b ON Semiconductor, ncp1053b Datasheet - Page 4

• Manufacturer Part Number: ncp1053b
• Description: Monolithic High Voltage Gated Oscillator Power Switching Regulator
• Manufacturer: ON Semiconductor

Circuit Gate Drive
Primary Current
Oscillator Clock
Oscillator Duty
I
CONTROL, SINK
Power Switch
Cycle
V
CC
47.5 mA
37.5 mA
NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
8.5 V
7.5 V
0 mA
Leading Edge On
Figure 3. Timing Diagram for Gated Oscillator with Dual Edge PWM
Duty Cycle Off
f
OSC (high)
Leading Edge On
Duty Cycle Off
Feedback Off
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Delay On
4
No Second
Pulse
Leading Edge On
Duty Cycle Off
f
OSC (low)
Leading Edge On
Current Limit Off
Current Limit
Threshold
Current Limit
Propagation
Delay