RT9204CS RICHTEK [Richtek Technology Corporation], RT9204CS Datasheet - Page 3

• Manufacturer Part Number: RT9204CS
• Description: Dual Regulator - Standard Buck PWM DC-DC and Linear Power Controller
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Function Block Diagram
DS9204-00 February 2002
GND
VCC
DRV
FBL
FB
Reference
0.8V
Layout Notes
1. Put C
2. Put RT9204 to be near the C
3. Put C
4. Put C
C
1µF
LDO
0.8V
Error Amp
VCC
_
0.5V
_
35dB
1
BOOT
VCC
VCC
GND
& C
RT9204
as close as to VCC pin
as close as to BOOT pin
1V
2
to be near the MU drain and ML source nodes.
_
_
_
OVP
UVP
UVP
Oscillator
600kHz
SS
BOOT
+
Layout Placement
C
1000µF
OUT
_
PWM
Preliminary
on Reset
Soft Start
Power
C
0.1µF
BOOT
OUT
L
5µH
Control
Logic
G
Regulator
Diode
MU
D
6.0V
S
GND Return
C1
1µF
+
C2
470µF
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BOOT
UGATE
RT9204
3