RT7237A Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT7237A Datasheet PDF : 15 Pages
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RT7237A
Typical Application Circuit
VIN
4.5V to 18V
Chip Enable
CIN
10µF x 2
2 VIN
BOOT 1
RT7237A
SW 3
7 EN
CBOOT L
0.1µF 10µH
R1
75k
8 SS
FB 5
CSS
0.1µF
4, 9 (Exposed Pad)
GND
COMP 6
CC
3.3nF
RC
13k
R2
24k
VOUT
3.3V
COUT
22µF x 2
CP
Open
Table 1. Suggested Components Selection
VOUT (V) R1 (kΩ)
8
27
5
62
R2 (kΩ)
3
11.8
RC (kΩ)
27
20
CC (nF)
3.3
3.3
L (μH)
22
15
3.3
75
24
13
3.3
10
2.5
25.5
12
9.1
3.3
6.8
1.5
10.5
12
4.7
3.3
3.6
1.2
12
24
3.6
3.3
3.6
1
3
12
3
3.3
3.6
COUT (μF)
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
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is a registered trademark of Richtek Technology Corporation.
DS7237A-01 September 2012
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