RT8008 RICHTEK [Richtek Technology Corporation], RT8008 Datasheet - Page 2

• Manufacturer Part Number: RT8008
• Description: 1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8008
Typical Application Circuit
with R2 = 300k to 60k so the I
and (R1 x C1) should be in the range between 3x10
Layout Guide
www.richtek.com
2
V
Layout note:
1. The distance that C
2. C
OUT
OUT
V
should be placed near RT8008.
REF
V
IN
VOUT
x
VIN
1
R2
R1
IN
4
5
C
IN
connects to V
GND
GND
3
2
1
2.2V to 5.5V
C
2.2V to 5.5V
OUT
LX
GND
EN
R2
V
= 2 A to 10 A,
IN
V
IN
IN
Figure 2. Adjustable Voltage Regulator
is as close as possible (Under 2mm).
V
OUT
Figure 1. Fixed Voltage Regulator
L
4.7uF
C
4.7uF
IN
C
IN
-6
4
1
4
1
and 6x10
VIN
EN
VIN
EN
Figure 3
RT8008
RT8008
GND
GND
2
VOUT
2
-6
LX
FB
LX
for component selection.
3
5
3
5
2.2uH
2.2uH
L
V
L
OUT
I
R2
R1
V
C1
C1
IN
VIN
FB
R1
R2
R2
C
10uF
OUT
V
OUT
10uF
C
4
5
C
OUT
V
IN
OUT
GND
3
2
1
GND
DS8008-04 March 2007
C
OUT
LX
GND
EN
V
OUT
L