NCP1052 데이터 시트보기 (PDF) - ON Semiconductor

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NCP1052

Monolithic High Voltage Gated Oscillator Power Switching Regulator

ON Semiconductor 

NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055

8.5 V

VCC

7.5 V

fOSC (high)

fOSC (low)

Oscillator Duty

Cycle

Oscillator Clock

47.5 mA

37.5 mA

ICONTROL, SINK

0 mA

Leading Edge On

Duty Cycle Off

Power Switch

Circuit Gate Drive

Leading Edge On

Feedback Off

Delay On

Duty Cycle Off

Leading Edge On

Duty Cycle Off

Leading Edge On

No Second

Current Limit Off

Pulse

Primary Current

Figure 3. Timing Diagram for Gated Oscillator with Dual Edge PWM

Current Limit

Threshold

Current Limit

Propagation

Delay

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