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| REG710-25_15 Datasheet, PDF (12/32 Pages) Texas Instruments – REG710xx Buck-Boost Charge Pump with up to 60-mA Output Current | |||
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REG71050, REG71055, REG710
SBAS221H â DECEMBER 2001 â REVISED OCTOBER 2015
80
75
70
VIN = 1.8V
65
60
55
VIN = 2.2V
50
45
VIN = VOUT
40
35
30
0.1
1
10
100
Load Current (mA)
REG710-2.7V
80
75
70
65
60
55
50
45
40
35
30
0.1
REG710-2.5
VIN = 1.8V
VIN = 2.2V
VIN = VOUT
1
10
Load Current (mA)
www.ti.com
100
20mV/div
Figure 12. Efficiency vs Load Current
Figure 13. Efficiency vs Load Current
VOUT
4.5V
3.5V
2V/div
REG710-3.3V
RL = 110W
Boost Mode
Buck Mode
VIN
10mA/div
BW = 20MHz
Time (10ms/div)
ILOAD
50mV/div
BW = 20MHz
Time (50ms/div)
VOUT
Figure 14. Load Transient Response
20mV/div
COUT = 2.2mF
20mV/div
COUT = 10mF, CPUMP = 1mF
BW = 20MHz
Time (5ms/div)
REG710-3.3V
VIN = 2.4V
RL = 332W
Figure 16. Output Ripple Voltage
Figure 15. Line Transient Response
90
REG710-2.7
80
COUT = 2.2mF
70
60
50
40
30
20
10
0
1.0
1.5 2.0
REG710-2.7V
REG710-3.3V
REG710-3.3
COUT = 2.2mF
2.5 3.0 3.5 4.0
VIN (V)
REG710-2.7
COUT = 10mF
REG710-3.3
COUT = 10mF
4.5 5.0 5.5 6.0
Figure 17. Output Ripple Voltage vs VIN
12
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Copyright © 2001â2015, Texas Instruments Incorporated
Product Folder Links: REG71050 REG71055 REG710
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