rt9214 Richtek Technology Corporation, rt9214 Datasheet - Page 3
rt9214
Manufacturer Part Number
rt9214
Description
5v/12v Synchronous Buck Dc-dc Controller
Manufacturer
Richtek Technology Corporation
Datasheet
1.RT9214.pdf
(16 pages)
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Function Block Diagram
DS9214-02
FB
December 2004
(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
www.richtek.com
RT9214
OPS
BOOT
UGATE
PHASE
LGATE
3
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