RT9259APS RICHTEK [Richtek Technology Corporation], RT9259APS Datasheet - Page 4
RT9259APS
Manufacturer Part Number
RT9259APS
Description
12V Synchronous Buck PWM DC-DC and Linear Power Controller
Manufacturer
RICHTEK [Richtek Technology Corporation]
Datasheet
1.RT9259APS.pdf
(14 pages)
- Current page: 4 of 14
- Download datasheet (244Kb)
RT9259A
www.richtek.com
4
Function Block Diagram
RT_DIS
VREF
GND
DRV
FBL
REF_OUT
Inhibit
VCC12
Shutdown
Oscillator
-
+
+
V
0.8V
REF1
Reference
Voltage
V
REF2
FB
0.4V
SSE
+
+
-
-
+
+
-
EA
Bias
COMP
+
-
PWM
On Reset
Power
Fault Logic
SSE
Soft-Start
&
POR
Inhibit
Driver
Logic
OC
Regulator
PH_M
5V
-
+
+
-
DS9259A-02 March 2007
1.5V
0.4V
5VDD
40uA
OCSET
VCC12
BOOT
UGATE
PHASE
LGATE
PGND
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