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VCTA25201B-R33MS6 Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # VCTA25201B-R33MS6
Description  2.1MHz, 20A Multi-Phase Step-Down Converter with I2C Interface
PDF  50 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

VCTA25201B-R33MS6 Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RTQ2134-QA
Copyright © 2022 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DSQ2134-QA-02
May
2022
www.richtek.com
3
Pin Configuration
(TOP VIEW)
PVIN4
PGND
LX4
NC
PVIN2
PGND
LX2
NC
LX1
LX3
NC
NC
PVIN1
PVIN3
22
21
20
19
18
17
16
1
2
3
4
5
6
7
29
28
27
26
30
25
24
23
9
10
11
12
8
13
14
15
31
PGND
WET-WQFN-30L 4.5x5 (FC)
Marking Information
For marking information, contact our sales representative directly or through a Richtek distributor located in your area.
Functional Pin Description
Pin No.
Pin Name
Pin Function
1
PVIN4
Power input for power stage 4. It is recommended to use a 10-
F, X7R
capacitor.
2, 6, 17, 21
NC
No internal connection.
3
LX4
Switching node for power stage 4.
4, 19
PGND
Power ground for power stage.
5
LX1
Switching node for power stage 1.
7
PVIN1
Power input for power stage 1. It is recommended to use a 10-
F, X7R
capacitor.
8
VSELA
VSEL input pin for all channels. Using corresponding register to define action.
"Do Not" leave this pin floating.
9
AVIN_FILT
Filtered analog supply voltage. It is recommended to use a 1-
F, X7R
capacitor.
10
RTN1
Remote ground sense for Buck1.
11
VOUT1
Output voltage sense for Buck1.
12
RTN3
Remote ground sense for Buck3.
13
VOUT3
Output voltage sense for Buck3.
14
AGND
Analog GND.



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