參數(shù)資料
型號(hào): TPS40051EVM-002
廠商: Texas Instruments, Inc.
英文描述: TPS40051 Evaluation Module(TPS40051評(píng)估板)
中文描述: TPS40051評(píng)估模塊(TPS40051評(píng)估板)
文件頁(yè)數(shù): 11/17頁(yè)
文件大?。?/td> 383K
代理商: TPS40051EVM-002
SLUU161
April, 2003
11
TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)
6
Test Results / Performance Data
6.1
Efficiency and Power Loss
Figure 3 shows the efficiency as the load is varied from 1 A to over 15 A. The typical efficiency remains over
90% as the load ranges from 3 A to 12 A.
Figure 3
0
88
78
2
86
80
90
94
4
IOUT
Output Current
A
6
8
10
12
14
16
82
84
92
E
EFFICIENCY
vs
LOAD
Figure 4
0
0
2
4
1
2
3
4
6
8
10
12
14
16
5
6
7
IOUT
Output Current
A
P
POWER DISSIPATION
vs
LOAD
6.2
Closed Loop Performance
100
100 k
10 k
1 k
20
30
10
20
30
50
10
0
40
100
0
80
20
120
160
40
60
140
fOSC
Oscillator Frequency
kHz
G
P
°
OVERALL GAIN AND PHASE
vs
OSCILLATOR FREQUENCY
Gain
Phase
Figure 5.
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