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RT8023 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8023
Description  1.2MHz 1.5A Synchronous Step-Down Converter with Two LDOs
PDF  19 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8023 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT8023
2
DS8023-03 March 2011
www.richtek.com
Typical Application Circuit
Pin Configurations
(TOP VIEW)
WQFN-24L 4x4
Figure 1. 1.2V Output Step-Down Converter and Dual 2.5V Output Regulators
Note : Must to use ceramic X5R/X7R capacitors.
PGOOD1
VDD1
VIN1
VIN1
VIN1
PGND
FB3
PGOOD3
EN3
EN2
PGOOD2
FB2
1
2
3
4
5
6
7
21
20
19
18
17
16
15
8
9
10
12
14
13
24
22
23
11
PGND
25
VOUT2
FB2
PGOOD3
EN1
RT8023
1
6,
Exposed Pad (25)
17
11
13
VOUT3
FB3
PGOOD1
12
15
PHASE1
16
8, 9
14
20
18
3, 4, 5
R9 425k
R10
200k
C7
1µF
R8
200k
R7 425k
C6
1µF
PGOOD2
C4
1µF
C3
1µF
R5
100k
R6
100k
C2
0.1µF
R1
100
R2
100k
EN2
EN3
FB1
R3 100k
R4
200k
L1 2.2µH
C5
22uF
VIN1
PGOOD1
EN1
EN2
EN3
VOUT1
1.2V/1.5A
VIN2
VIN3
PGOOD2
PGOOD3
VOUT2
2.5V/0.7A
VOUT3
2.5V/0.35A
2
21
23
24
C1
10µF
19



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