NCP5173 查看數據表（PDF） - ON Semiconductor

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NCP5173

1.5 A 560 kHz−1.0 MHz Boost Regulator

ON Semiconductor 

VCC

SS

FB

AGND

NCP5173

Shutdown

Delay

Timer

2.0 V

Regulator

Sync

Thermal

Shutdown

Oscillator

Frequency

Shift 5:1

1.276 V

0.4 V Detector

−

+

Positive

Error Amp

S

PWM

Latch

Q

R

Driver

VSW

Switch

×5

Slope

Compensation

PWM

Comparator

+−

Ramp

Summer

63 mW

PGND

VC

Figure 2. Block Diagram

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5

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