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參數(shù)資料
| 型號： | RT9209PS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Synchronous Buck PWM DC-DC with Enable & PGOOD |
| 中文描述： | 同步降壓PWM直流與直流啟用 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 217K |
| 代理商： | RT9209PS |
RT9209/A
3
DS9209/A-08 March 2007
www.richtek.com
Function Block Diagram
GND
VCC
RT9209/A
BOOT
C
VCC
1uF
C
BOOT
0.1uF
+
C
OUT
1000uF
L
5uH
MU
D
G
S
Diode
+
C
IN1
1uF
C
IN2
470uF
GND Return
Layout Placement
Layout Notes
1. Put C
IN1
& C
IN2
to be near the MU drain and ML source nodes.
2. Put RT9209/A to be near the C
OUT
3. Put C
BOOT
as close as to BOOT pin
4. Put C
VCC
as close as to VCC pin
0.8
Reference
Power on
Reset
Soft Start
+
-
OVP
+
-
UVP
1V
+
-
0.8V
0.5V
Error
Amplifier
+
-
PWM
+
260kHz/300kHz
Oscillator
Control
Logic
VCC
6.5V
Regulation
GND
FB
VCC
BOOT
UGATE
LGATE
SS
PGOOD
PWM Loop
Compensation
+
-
SS
PGOOD
0.72V
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| RT9210 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination |
| RT9210GC | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination |
| RT9210GS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination |
| RT9210PC | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination |
| RT9210PS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination |
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