RT8011/A
Typical Application Circuit
V
IN
2.6V to 5.5V
R
OSC
332k
RT8011
1 SHDN/RT
2 SYNC
3
4
5
GND
LX
PGND
COMP
FB
10
9
R
PGOOD
100k
R
COMP
13k
C
COMP
1000pF
R2 240k
PGOOD 8
VDD
PVDD
7
6
C
IN
22uF
R1
510k
C1
22pF
L1
2.2uH
C
OUT
22uF
V
OUT
2.5V/2A
Figure 1. Typical Application Circuit for RT8011
V
IN
2.6V to 5.5V
R
OSC
332k
RT8011A
1 SHDN/RT
2
3
4
GND
LX
PGND
COMP
FB
VDD
PVDD
8
7
6
5
C
IN
22uF
R1
510k
R
COMP
13k
C
COMP
1000pF
R2 240k
L1
2.2uH
C
OUT
22uF
V
OUT
2.5V/2A
Figure 2. Typical Application Circuit for RT8011A
Note : Using all Ceramic Capacitors
Table 1
Component Supplier Series
Inductance (uH) DCR (mΩ) Current Rating (mA) Dimensions (mm)
TAIYO YUDEN
NR 4018
2.2
60
2700
4x4x1.8
Sumida
CDRH4D28
2.2
31.3
2040
4.5x4.5x3
GOTREND
GTSD53
2.2
29
2410
5x5x2.8
ABC
SR0403
2.2
47
2600
4.5x4x3.2
Table 2
Component Supplier
TDK
TDK
TDK
Panasonic
Panasonic
Panasonic
TAIYO YUDEN
TAIYO YUDEN
TAIYO YUDEN
Part No.
C3225X5R0J226M
C3225X5R0J226M
C2012X5R0J106M
ECJ4YB0J226M
ECJ4YB1A226M
ECJ4YB1A106M
LMK325BJ226ML
JMK316BJ226ML
JMK212BJ106ML
Capacitance (uF)
22
22
10
22
22
10
22
22
10
Case Size
1210
1210
0805
1210
1210
1210
1210
1206
0805
www.richtek.com
2
DS8011/A-00 August 2006
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
