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RT8020 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8020
Description  Dual High-Efficiency PWM Step-Down DC-DC Converter
PDF  14 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8020 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT8020
2
DS8020-03 August 2007
www.richtek.com
Typical Application Circuit
Figure 2. Fixed Voltage Regulator
Figure 1. Adjustable Voltage Regulator
(
)
Rx2
Rx1
1
V
V
REF
OUTx
+
×
=
VOUTx = 1.2V, 1.3V, 1.8V, 2.5V or 3.3V
EN2
NC2
FB2
VIN2
LX2
FB1
RT8020
1
2
49
10
11
GND
LX1
GND
8
5
NC1
3, Exposed Pad (13)
12
VOUT2
L2
2.2uH
850k
4.7uF
CIN2
22pF
VIN1
7
6
EN1
VIN1
4.7uF
L1
2.2uH
R22
4.7uF
VOUT1
850k
22pF
4.7uF
R12
VIN2
C11
COUT1
CIN1
COUT2
C21
R11
R21
EN2
NC2
FB2
VIN2
LX2
FB1
RT8020
1
2
49
10
11
GND
LX1
GND
8
5 NC1
12
VOUT2
L2
2.2uH
CIN2
4.7uF
VIN1
7
6
EN1
VIN1
4.7uF
L1
2.2uH
4.7uF
VOUT1
4.7uF
VIN2
COUT1
CIN1
COUT2
3, Exposed Pad (13)



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