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RT7252B Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT7252B
Description  2A, 17V, 340/800kHz Synchronous Step-Down Converter
PDF  14 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7252B Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT7252A/B
2
DS7252A/B-01 April 2012
www.richtek.com
©
Copyright
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
RT7252A
VOUT (V)
L (
μH)
R1 (k
Ω)
R2 (k
Ω)
COUT (μF)
1.2
4.7
110
220
22 x 2
2.5
10
110
51
22 x 2
3.3
15
110
36
22 x 2
5
22
120
22
22 x 2
RT7252B
VOUT (V)
L (
μH)
R1 (k
Ω)
R2 (k
Ω)
COUT (μF)
1.2
3.6
47
91
22 x 2
2.5
4.7
47
22
22 x 2
3.3
6.8
47
15
22 x 2
5
10
62
12
22 x 2
Table 1. Recommended Component Selection
RT7252A
VIN
CIN
10µF
VIN
4V to 17V
PGOOD
PGOOD
EN
FB
SW
BOOT
CBOOT
10nF
15µH
L
VOUT
3.3V
COUT
22µF x 2
110k
R1
36k
R2
Chip Enable
GND
2
6
4
7, 9 (Exposed Pad)
3
1
5
RT7252B
VIN
CIN
10µF
VIN
4V to 17V
PGOOD
PGOOD
EN
FB
SW
BOOT
CBOOT
10nF
6.8µH
L
VOUT
3.3V
COUT
22µF x 2
47k
R1
15k
R2
Chip Enable
GND
2
6
4
7, 9 (Exposed Pad)
3
1
5



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