參數(shù)資料
型號(hào)： TPS650531IRGERQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC24
封裝： 4 X 4 MM, GREEN, PLASTIC, VQFN-24
文件頁(yè)數(shù)： 24/26頁(yè)
文件大?。?/td> 686K
代理商： TPS650531IRGERQ1
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
SLVSAW1
– JUNE 2011
TYPICAL CHARACTERISTICS
Table of Graphs
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
2011, Texas Instruments Incorporated
7
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