RT7257J Просмотр технического описания (PDF) - Richtek Technology
Номер в каталоге
Компоненты Описание
производитель
RT7257J Datasheet PDF : 15 Pages
| |||
RT7257J
Typical Application Circuit
VIN
4.5V to 18V
Chip Enable
CIN
10µF x 2
2 VIN
BOOT 1
RT7257J
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
4.7nF
RC
12k
R2
24k
VOUT
3.3V
COUT
22µF x 2
CP
Open
Table 1. Suggested Components Selection
VOUT (V) R1 (kΩ) R2 (kΩ) RC (kΩ) CC (nF) L (μH)
8
27
3
24
4.7
22
5
62
11.8
18
4.7
15
3.3
75
24
12
4.7
10
2.5
25.5
12
8.2
4.7
6.8
1.5
10.5
12
3.6
4.7
3.6
1.2
12
24
3
4.7
3.6
1
3
12
2.7
4.7
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.
www.richtek.com
6
is a registered trademark of Richtek Technology Corporation.
DS7257J-02 September 2012
Share Link: 