RT9214GSP RICHTEK [Richtek Technology Corporation], RT9214GSP Datasheet - Page 3

• Manufacturer Part Number: RT9214GSP
• Description: 5V/12V Synchronous Buck PWM DC-DC Controller
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Function Block Diagram
DS9214-13
FB
September 2007
(3V_Logic & 3VDD_Analog)
Bias & Regulators
0.6V
Reference
+
-
+
-
GM
0.8V
UV_S
REF
EO
Fault Logic
Power On
Soft-Start
Reset
VCC
&
Oscillator
(300kHz)
GND
+
-
PH_M
OC
EN
Control
Logic
Gate
-
+
-
-
+
+
0.4V
3V
+
-
0.1V
1.5V
40uA
VCC
RT9214
www.richtek.com
OPS
BOOT
UGATE
PHASE
LGATE
3