参数资料
型号: TPS5103IDBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封装: GREEN, PLASTIC, SSOP-20
文件页数: 22/40页
文件大小: 1225K
代理商: TPS5103IDBG4
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 48
IO – Output Current – A
PWM Mode
SKIP Mode
80
75
70
60
0
0.5
1
1.5
2
2.5
3
Efficiency
%
85
90
EFFICIENCY
vs
OUTPUT CURRENT
95
3.5
4
65
1.8-V Output Efficiency
Figure 49
80
75
70
60
0
0.1
0.2
0.3
85
90
95
0.4
0.5
65
IO – Output Current – A
PWM Mode
SKIP Mode
Efficiency
%
EFFICIENCY
vs
OUTPUT CURRENT
1.8-V Output Efficiency
Figure 50
1.780
1.775
1.770
510
15
Output
V
oltage
V
1.785
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
1.790
20
25
0
V
O
VI – Input Voltage – V
1.8-V Line Regulation
Figure 51
1.780
1.770
1.760
0
0.5
1
1.5
2
2.5
3
1.780
1.790
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
1.790
3.5
4
Output
V
oltage
V
O
IO – Output Current – A
1.8-V Output Load Regulation
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