RT9210GC RICHTEK [Richtek Technology Corporation], RT9210GC Datasheet - Page 5

• Manufacturer Part Number: RT9210GC
• Description: Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS9210-05 March 2007
Function Block Diagram
VREE_IN
SENSE1
SENSE2
PGOOD
COMP1
V2_SD
VREF
VCC
FB1
Power
Good
Regulator
Window
-
+
0.8V
0.8V
Ref.
Zf
200k
137.5%
62.5%
FB2
200k
+
-
Preliminary
+
-
OVP
UVP
EA
EA
Zc
&
+
OV
UV
GNDA
Oscillator
300kHz
90 deg
shift
Power
Reset
On
+
-
+
-
Thermal
Thermal
SHDN
PWM1
SHDN
PWM2
UV
OC
OC
OV
OV
UV
POR
Control
Control
Soft-
Start
Logic
Logic
Bias
1
OC
Thermal
VCC
+
-
SHDN
40uA
OCSET/SD
BOOT1
UGATE1
PHASE1
PVCC1
LGATE1
PGND1
PGND2
LGATE2
UGATE2
BOOT2
RT9210
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