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參數(shù)資料
| 型號(hào)： | RT9241B |
| 文件頁數(shù)： | 12/18頁 |
| 文件大?。?/td> | 333K |
| 代理商： | RT9241B |
RT9241A/B
www.richtek.com
12
DS9241AB-01 October 2002
Two-Phase Converter and Components Function Grouping
Design Procedure Suggestion
Voltage loop setting
a. Output filter pole and zero (Inductor, output
capacitor value & ESR)
b. Error amplifier compensation network
Current loop setting
a. Over current protection trip point setting by GM
amplifier S/H current(current sense component
Ron, ISPx & ISNx pin external resistor value, keep
ISPx current = 75
μ
A at OCP condition)
VRM load line setting
a. Droop amplitude (ADJ pin resistor)
b. No load offset (additional resistor in compensation
network)
Power sequence & SS
DVD pin external resistor and SS pin capacitor
PCB layout
a. Kelvin sense for current sense GM amplifier
input
b. Refer to layout guide for other item
COMP
FB
ADJ
GND
VSEN
DVD
SS
ISN2
ISN1
ISP2
PWM2
PWM1
ISP1
VDD
RT9241A/B
+5V
12V
VID
12V
+V
CORE
PWM
PVCC
VCC
BOOT
UGATE
PHASE
LGATE
GND
RT9600
12V
PWM
PVCC
VCC
BOOT
UGATE
PHASE
LGATE
GND
RT9600
& Offset
Droop Setting
UVLO
Components
Compensation
Driver Power
Current Sense
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| RT9241A | |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9241BGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Two-Phase DC/DC Controller for CPU Core Power Supply |
| RT9241BPS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Two-Phase DC/DC Controller for CPU Core Power Supply |
| RT9241CS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Two-Phase DC/DC Controller for CPU Core Power Supply |
| RT9243 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Multi-Phase PWM Controller for CPU Core Power Supply |
| RT9243GS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Multi-Phase PWM Controller for CPU Core Power Supply |
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