RT8010B Ver la hoja de datos (PDF) - Richtek Technology
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RT8010B Datasheet PDF : 12 Pages
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Preliminary
The feedback resistor divider
must be placed as close to the
FB pin as possible.
GND
CIN
Put CIN between
VIN and GND and it
should be closed to
the IC.
VOUT
R2
R1
EN 1
CF
FB 2
VIN 3
LX 4
8 PGND
7 PGND
6 PGND
5 AGND
L1
VOUT
The LX pin should be connected to
Inductor by wide and short trace,
keep sensitive components away
from this trace Figure 6
COUT
Output capacitor must be
closed to the IC.
RT8010B
Table 1. Recommended Inductors
Supplier
Inductance
(uH)
Current Rating (mA)
TAIYO YUDEN
2.2
1480
GOTREND
2.2
1500
Sumida
2.2
1500
Sumida
4.7
TAIYO YUDEN
4.7
GOTREND
4.7
1000
1020
1100
DCR
(mΩ)
60
58
75
135
120
146
Dimensions
(mm)
3.00 x 3.00 x 1.50
3.85 x 3.85 x 1.80
4.50 x 3.20 x 1.55
4.50 x 3.20 x 1.55
3.00 x 3.00 x 1.50
3.85 x 3.85 x 1.80
Series
NR 3015
GTSD32
CDRH2D14
CDRH2D14
NR 3015
GTSD32
Table 2. Recommended Capacitors for CIN and COUT
Supplier
Capacitance
(uF)
Package
TDK
4.7
603
MURATA
4.7
603
TAIYO YUDEN
4.7
603
TAIYO YUDEN
10
603
TDK
10
805
MURATA
10
805
MURATA
10
805
TAIYO YUDEN
10
805
Part Number
C1608JB0J475M
GRM188R60J475KE19
JMK107BJ475RA
JMK107BJ106MA
C2012JB0J106M
GRM219R60J106ME19
GRM219R60J106KE19
JMK212BJ106RD
DS8010B-00 July 2007
www.richtek.com
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