NCP3012 View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

NCP3012

Synchronous PWM Controller

ON Semiconductor 

VIN

7.5V

NCP3012

VBOOST

Maximum

Normal

VIN

7.5V

7.5V

0V

VBOOST

Maximum

Normal

VIN

7.5V

7.5V

0V

VBOOST

7.5V

0V

Figure 31. Typical Waveforms for Region 1 (top), Region 2 (middle), and Region 3 (bottom)

To illustrate, a 0.1 mF boost capacitor operating at > 80% duty cycle and > 22.5 V input voltage will exceed the specifications

for the driver supply voltage. See Figure 32.

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