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参数资料
| 型号： | TPS650531RGER |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 5-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| 封装： | 4 X 4 MM, 0.50 MM PITCH, GREEN, PLASTIC, QFN-24 |
| 文件页数： | 25/27页 |
| 文件大小： | 858K |
| 代理商： | TPS650531RGER |
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TYPICAL CHARACTERISTICS
Table of Graphs
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
1
10
Efficiency
%
I
OutputCurrent
O
A
0.1
3.4V
5V
4.2V
3.8V
V
=3.3V
T =25 C
PWM/PFMMode
O
A
o
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
1
10
Efficiency
%
I
OutputCurrent
O
A
0.1
V
=3.3V
T =25 C
PWMMode
O
A
o
3.8V
3.4V
5V
4.2V
www.ti.com ............................................................................................................................................. SLVS754C – MARCH 2007 – REVISED SEPTEMBER 2009
FIGURE
η
Efficiency converter 1
vs Load current PWM/PFM mode
1
η
Efficiency converter 1
vs Load current PWM mode
2
η
Efficiency converter 2
vs Load current PWM/PFM mode
3
η
Efficiency converter 2
vs Load current PWM mode
4
Output voltage ripple in PFM mode
Scope plot
5
Output voltage ripple in PWM mode
Scope plot
6
DCDC1, DCDC2, LDO1 startup timing
Scope plot
7
LDO1 to LDO3 startup timing
Scope plot
8
DCDC1 Load transient response in PWM mode
Scope plot
9
DCDC1 Load transient response in PFM mode
Scope plot
10
DCDC2 Load transient response in PWM mode
Scope plot
11
DCDC2 Load transient response in PFM mode
Scope plot
12
DCDC1 Line transient response in PWM mode
Scope plot
13
DCDC2 Line transient response in PWM mode
Scope plot
14
LDO1 Load transient response
Scope plot
15
LDO3 Load transient response
Scope plot
16
LDO1 Line transient response
Scope plot
17
LDO1 Power supply rejection ratio
vs frequency
18
EFFICIENCY
vs
OUTPUT CURRENT
Figure 1.
Figure 2.
Copyright 2007–2009, Texas Instruments Incorporated
7
Product Folder Link(s): TPS65053 TPS650531 TPS650532
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