参数资料
型号: TPS65145RGERG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.56 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PQCC24
封装: GREEN, PLASTIC, QFN-24
文件页数: 30/31页
文件大小: 1391K
代理商: TPS65145RGERG4
www.ti.com
TYPICAL CHARACTERISTICS
Table of Graphs
10
20
30
40
50
60
70
80
90
100
1
10
100
1 k
Vo1 = 6 V
IL Load Current mA
Efficiency
%
Vo1 = 15 V
Vo1 = 10 V
VI = 3.3 V
Vo2, Vo3 = No Load, Switching
10
20
30
40
50
60
70
80
90
100
1
10
100
1 k
IL Load Current mA
Efficiency
%
Vo1 = 15 V
Vo1 = 10 V
VI = 5 V
Vo2, Vo3 = No Load, Switching
70
75
80
85
90
95
100
2.5
3
3.5
4
4.5
5
5.5
6
Vo1 = 6 V
Vo1 = 15 V
Vo1 = 10 V
ILoad at Vo1 = 100 mA
Vo2, Vo3 = No Load, Switching
VI - Input V oltage - V
Efficiency
-
%
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
FIGURE
Main Boost Converter
Efficiency, main boost converter VO1
vs Load current
1
η
Efficiency, main boost converter VO1
vs Load current
2
Efficiency
vs Input voltage
3
fsw
Switching frequency
vs Free-air temperature
4
rDS(on)
rDS(on) N-Channel main switch Q1
vs Free-air temperature
5
PWM operation continuous mode
6
PWM operation, discontinuous (light load)
7
Load transient response, CO = 22 F
8
Load transient response, CO = 2 x 22 F
9
Power-up sequencing
10
Soft start VO1
11
Negative Charge Pump
Imax
VO2 maximum load current
vs Output voltage VO1
12
Positive Charge Pump
Imax
VO3 maximum load current
vs Output voltage VO1 (doubler mode)
13
Imax
VO3 Maximum load current
vs Output voltage VO1 (tripler mode)
14
EFFICIENCY
vs
LOAD CURRENT
INPUT VOLTAGE
Figure 1.
Figure 2.
Figure 3.
8
相关PDF资料
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TPS65145PWPRG4 1.56 A SWITCHING REGULATOR, 2100 kHz SWITCHING FREQ-MAX, PDSO24
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