rt9201 Richtek Technology Corporation, rt9201 Datasheet - Page 2

• Manufacturer Part Number: rt9201
• Description: High Efficiency Step-down Dc-dc Converter
• Manufacturer: Richtek Technology Corporation

Typical Application Circuit
Suggested Inductors
www.richtek.com
2
Recommended component selection for typical application circuit.
RT9201
1.375
V
0.85
Component
(V)
1.5
1.8
2.5
3.3
OUT
Supplier
Coilcraft
ABC
TDK
2.5 to 4.0
2.5 to 5.0
2.5 to 5.5
2.5 to 5.5
3.5 to 5.5
4.5 to 5.5
V
(V)
IN
SLF6028
SH4018
SR0302
DO1606
Series
V
1.2M
280k
343k
487k
820k
R
24k
IN
( )
GPIO
F1
Inductance (µH)
C
IN
(pF)
C
330
5.6
33
22
15
10
F1
8
9
1
5
4.7
6.8
4.7
6.8
4.7
6.8
4.7
6.8
10
10
10
10
PVDD
VDD
EN
GND
RT9201
390k
390k
390k
390k
390k
390k
R
( )
Preliminary
F2
PGND
ESR (m )
LX
FB
SS
100
150
150
180
250
150
200
300
82
28
35
53
(pF)
C
7
3
2
6
10
10
10
10
10
10
F2
C
L
SS
X
C
C
F1
F2
Current Rating (mA)
( H)
4.7
4.7
6.8
6.8
L
10
10
X
R
R
Recommended using lower ESR capacitor
F1
F2
1500
1150
1000
1200
1000
1600
1500
1300
1100
1000
800
900
1000
(pF)
C
330
330
470
470
680
SS
C
OUT
V
OUT
(uF)
C
10
10
10
10
10
10
DS9201-04 August 2004
IN
V
OUT
Dimensions (mm)
4.8x4.8x1.8
6.5x5.23x2
3x2.8x2.5
22 or (10 x 2)
22 or (10 x 2)
22 or (10 x 2)
22 or (10 x 2)
22 or (10 x 2)
22 or (10 x 2)
0.8
6x6x2.8
C
(uF)
OUT
R
F1
R
F2
R
F2