RT9241 데이터 시트보기 (PDF) - Unspecified

부품명

상세내역

일치하는 목록

RT9241

Two-Phase DC/DC Controller for CPU Core Power Supply

Unspecified 

RT9241

Preliminary

Absolute Maximum Ratings

z Supply Voltage

z Input, Output or I/O Voltage

z Ambient Temperature Range

z Operating Junction Temperature Range

z Storage Temperature Range

z Power Dissipation, PD @ TA = 25°C

SOP-20

z Package Thermal Resistance

SOP-20, θJA

z Lead Temperature (Soldering, 10 sec.)

Electrical Characteristics

(VDD = 5V, GND = 0V, TA = 25°C, unless otherwise specified)

Parameter

Symbol Test Conditions

VDD Supply Current

Nominal Supply Current

Power-On Reset

IDD

PWM 1,2 Open

VDD Rising Threshold

VDD Falling Threshold

VDVD Rising Trip Threshold

Oscillator

Frequency

For each phase

Ramp Amplitude

Ramp Valley

Maximum On Time of Each Channel

Reference and DAC

DACOUT Voltage Accuracy

DAC (VID0-VID4) Input Low Voltage

DAC (VID0-VID4) Input High Voltage

DAC (VID0-VID4) Bias Current

PWM Controller Error Amplifier

DC Gain

Bandwidth

Slew Rate

Current Sense GM Amplifier

CL = 10pF

ISP 1,2 Full Scale Source Current

ISP 1,2 Current for OCP

6V

GND-0.3V ~ VDD+0.3V

0°C ~ 70°C

0°C ~ 125°C

-65°C ~ 150°C

0.625W

60°C /W

260°C

Min Typ Max Units

--

6

--

mA

4.2 4.35 4.5

V

3.7 3.85 4

V

1.19 1.25 1.31

V

170 200 230 kHz

--

1

--

V

1.0 1.3

--

V

--

75

--

%

-1.0

-- +1.0 %

--

--

0.8

V

2.0

--

--

V

10

20

40

µA

--

85

--

dB

--

10

-- MHz

--

5

-- V/µS

--

50

--

µA

--

75

--

µA

To be continued

www.richtek-ic.com.tw

2

DS9241-00 November 2001

Share Link: