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RT7297C Datenblatt(PDF) 6 Page - Richtek Technology Corporation

Teilenummer RT7297C
Bauteilbeschribung  3A, 18V, 800kHz Synchronous Step-Down Converter
PDF  15 Pages
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Hersteller  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7297C Datenblatt(HTML) 6 Page - Richtek Technology Corporation

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RT7297C
6
DS7297C-01
September 2012
www.richtek.com
©
Copyright
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
VOUT (V)
R1 (k
Ω)
R2 (k
Ω)
RC (kΩ)
CC (nF)
L (
μH)
COUT (μF)
8
27
3
35
3.3
10
22 x 2
5
62
11.8
20
3.3
6.8
22 x 2
3.3
75
24
15
3.3
3.6
22 x 2
2.5
25.5
12
10
3.3
3.3
22 x 2
1.8
15
12
7
3.3
2.2
22 x 2
1.2
12
24
5
3.3
1.5
22 x 2
1
3
12
4
3.3
1.5
22 x 2
Table 1. Suggested Component Selection
VIN
EN
GND
BOOT
FB
SW
7
5
2
3
1
L
3.6µH
0.1µF
22µF x 2
R1
75k
R2
24k
VOUT
3.3V
10µF x 2
VIN
4.5V to 18V
RT7297C
SS
8
CSS
COMP
CC
3.3nF
RC
15k
CP
Open
6
4, 9 (Exposed Pad)
CBOOT
CIN
0.1µF
COUT
REN 100k



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