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RT8012APQW Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # RT8012APQW
Description  Dual 1A/1.5A-1.2MHz Synchronous Step-Down Converters
Download  14 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8012APQW Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT8012A
7
DS8012A-01 March 2007
www.richtek.com
Preliminary
Typical Operating Characteristics
Regulator 1 Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0.0 0.1
0.2 0.3
0.4 0.5 0.6
0.7 0.8
0.9 1.0
Output Current (A)
VIN = 5V, VOUT = 3.3V
L = 3.3uH, COUT = 10uF
Regulator 2 Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0.00
0.25
0.50
0.75
1.00
1.25
1.50
Output Current (A)
VIN = 5V, VOUT = 1.2V
L = 2.2uH, COUT = 10uF
Regulator 2 Load Transient Response
Time (100
μs/Div)
VOUT
(50mV/Div)
IOUT
(500mA/Div)
VIN = 5V, VOUT = 1.2V, IOUT = 0A to 1.5A
L = 2.2uH, COUT = 10uF
Regulator 1 Load Transient Response
Time (100
μs/Div)
VOUT
(50mV/Div)
IOUT
(500mA/Div)
VIN = 5V, VOUT = 3.3V, IOUT = 0A to 1A
L = 3.3uH, COUT = 10uF
Regulator 1 Load Transient Response
Time (100
μs/Div)
VOUT
(50mV/Div)
IOUT
(500mA/Div)
VIN = 5V, VOUT = 3.3V, IOUT = 200mA to 600mA
L = 3.3uH, COUT = 10uF
Regulator 2 Load Transient Response
Time (100
μs/Div)
VOUT
(50mV/Div)
IOUT
(500mA/Div)
VIN = 5V, VOUT = 1.2V, IOUT = 200mA to 800mA
L = 2.2uH, COUT = 10uF


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