RT8206L RICHTEK [Richtek Technology Corporation], RT8206L Datasheet - Page 5

• Manufacturer Part Number: RT8206L
• Description: High Efficiency, Main Power Supply Controller for Notebook Computers
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Function Block Diagram
Copyright
DS8206L/M-07 June 2012
PGOOD
©
VOUT
2012 Richtek Technology Corporation. All rights reserved.
REF
FB
0.55 x V
1.1 x V
0.9 x V
PGOOD1
UGATE1
PHASE1
-
+
LGATE1
BOOT1
VOUT1
PGND
ILIM1
GND
+
-
LDO
BYP
FB1
VIN
REF
REF
REF
TON
Compute
On-Time
VIN
+
-
-
+
-
+
PV
Over-Voltage
Under-Voltage
CC
- Comp
+
LDO
SW Threshold
T
ON
PWM Controller (One Side)
Function Block Diagram
1-Shot
TRIG
PWM Buck
Latch
Fault
Blanking
Controller
Q
SMPS1
Time
Shutdown
Internal
Thermal
Logic
R
TON SKIP
Detector
25kHz
Time
SS
PWM Buck
Controller
Detector
Clear Fault Latch
SMPS2
TRIG
Zero
Power-On
Sequence
is a registered trademark of Richtek Technology Corporation.
REF
Q
SKIP
1-Shot
T
OFF
+
-
+
-
Current
Limit
PV
CC
+
-
BOOT2
UGATE2
PHASE2
LGATE2
VOUT2
FB2
ILIM2
PGOOD2
VCC
PVCC
ENLDO
EN1
EN2
REF
V
CC
RT8206L/M
UGATE
LGATE
ILIM
PHASE
www.richtek.com
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