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RT8205CGQW データシート(PDF) 6 Page - Richtek Technology Corporation

部品番号 RT8205CGQW
部品情報  High Efficiency, Main Power Supply Controllers for Notebook Computers
PDF  28 Pages
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メーカー  RICHTEK [Richtek Technology Corporation]
ホームページ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8205CGQW データシート(HTML) 6 Page - Richtek Technology Corporation

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RT8205A/B/C
6
DS8205A/B/C-06 July 2012
www.richtek.com
©
Copyright 2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Function Block Diagram
Function Block Diagram
PWM Controller (One Side)
SMPS2
PWM Buck
Controller
BOOT2
UGATE2
PHASE2
LGATE2
GND
VREG5
VOUT2
FB2
ENTRIP2
PGOOD
SMPS1
PWM Buck
Controller
BOOT1
UGATE1
PHASE1
LGATE1
VREG5
VOUT1
FB1
ENTRIP1
VREG5
Thermal
Shutdown
REF
SW Threshold
TONSEL SKIPSEL
VIN
VREG5
PGND
Power-On
Sequence
Clear Fault Latch
EN
VREG3
SW Threshold
REF
VREG3
TRIG
Q
TOFF
1-Shot
TRIG
Q
1-Shot
R
TON
+
-
Comp
-
+
Fault
Latch
+
-
+
-
1.1 x VREF
0.7 x VREF
+
-
0.9 x VREF
Over-Voltage
Under-Voltage
On-Time
Compute
VIN
TONSEL
VOUT
REF
FB
PGOOD
LGATE
UGATE
+
-
Blanking
Time
+
-
VREG5
+
-
Current
Limit
Zero
Detector
SKIPSEL
PHASE
ENTRIP
SS
Time
25kHz
Detector
+
+
-
-



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