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RT5021 数据表(PDF) 20 Page - Richtek Technology Corporation

部件名 RT5021
功能描述  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT5021 数据表(HTML) 20 Page - Richtek Technology Corporation

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RT5021
20
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Typical Operating Characteristics
VIN = 5V, unless otherwise specified.
CH2 Step-Up/Down Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
10
100
1000
Output Current (mA)
VOUT = 3.3V, L = 2.2
μH, COUT = 10μF x 2
VBAT = 2.7V
VBAT = 3V
VBAT = 3.6V
VBAT = 4.2V
VBAT = 5V
CH3 Step-Down Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
10
100
1000
Output Current (mA)
VOUT = 1V, L = 2.2
μH, COUT = 10μF
VBAT = 2.7V
VBAT = 3.3V
VBAT = 3.9V
VBAT = 4.2V
VBAT = 5V
CH4 Step-Down Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
10
100
1000
Output Current (mA)
VOUT = 1.5V, L = 2.2
μH, COUT = 10μF
VBAT = 2.7V
VBAT = 3.3V
VBAT = 3.9V
VBAT = 4.2V
VBAT = 5V
CH7 Efficiency vs. Input Voltage
0
10
20
30
40
50
60
70
80
90
100
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
L = 10
μH, COUT = 1μF, IOUT = 6WLEDs
CH1 Step-Up Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
10
100
1000
Output Current (mA)
VOUT = 5V, L = 2.2
μH, COUT = 10μF x 2
VBAT = 4.5V
VBAT = 4.2V
VBAT = 3.9V
VBAT = 3.6V
VBAT = 3.3V
VBAT = 2.7V
CH5 Step-Down Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
10
100
1000
Output Current (mA)
VOUT = 1.8V, L = 2.2
μH, COUT = 10μF
VBAT = 2.7V
VBAT = 3.3V
VBAT = 3.9V
VBAT = 4.2V
VBAT = 5V



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