RT9243 データシートの表示（PDF） - Richtek Technology

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RT9243

Multi-Phase PWM Controller for CPU Core Power Supply

Richtek Technology 

RT9243

Differential Amp Falling Slew Rate

(500mV/Div)

The Bandwidth of Differential Amplifier

(200mV/Div)

(200mV/Div)

(500mV/Div)

Time (50ns/Div)

Start-up Waveforms @IOUT = 60A

VSS

PWM

UGATE

(2V/Div)

(5V/Div)

(20V/Div)

LGATE

(10V/Div)

Time (5ms/Div)

Over Current Protection

(5V/Div)

VSS

PWM1

(5V/Div)

PWM2

(5V/Div)

PWM3

(5V/Div)

Time (25ms/Div)

www.richtek.com

10

fBandwidth = 17MHz

VPP-DIFF = 0.707VPP-IN

Time (25ns/Div)

Current Sharing at IOUT = 80A

Inductor

Current

(5A/Div)

PWM

(5V/Div)

Time (2.5μs/Div)

PGOOD Waveform

(2V/Div)

PGOOD

VOUT

(1V/Div)

Time (5ms/Div)

DS9243-07 March 2007

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