參數(shù)資料
型號(hào): TPS54316PWPR
英文描述: Analog IC
中文描述: 模擬IC
文件頁(yè)數(shù): 13/16頁(yè)
文件大小: 260K
代理商: TPS54316PWPR
TPS54611, TPS54612, TPS54613
TPS54614, TPS54615, TPS54616
SLVS400A
AUGUST 2001
REVISED JANUARY 2002
13
www.ti.com
APPLICATION INFORMATION
Connect Pin 1 to Analog Ground Plane
in This Area For Optimum Performance
Minimum Recommended Top
Side Analog Ground Area
0.3478
0.0150
0.06
0.0256
0.1700
0.1250
0.1000
0.0600
0.0180
4 PL
0.1900
0.0130
8 PL
Exposed Copper Area
For Powerpad
0.0650
0.0500
0.0500
0.0650
0.0339
0.0339
0.0500
Minimum Recommended Thermal Vias:
8 x 0.013 Diameter Inside Powerpad Area
4 x 0.018 Diameter Under Device as Shown
Additional 0.018 diameter Vias May Be Used if Top Side Analog Ground
Area Is Extended.
Figure 11. Recommended Land Pattern for 28-Pin PWP PowerPAD
performance graphs
Figure 12
VI = 5 V
VI = 3.3V
IL
Load Current
A
70
0
1
2
3
4
5
6
E
80
EFFICIENCY
vs
LOAD CURRENT
100
7
8
9
10
90
60
50
Figure 13
VI = 5 V
VI = 3.3V
1
0.99
0.98
0
1
2
3
4
5
6
VO
1.01
OUTPUT VOLTAGE
vs
LOAD CURRENT
1.03
7
8
9
10
1.02
0.97
IL
Load Current
A
Figure 14
Phase
Gain
f
Frequency
Hz
20
10
10
10
100
1 k
10 k
100 k
G
30
40
LOOP RESPONSE
60
50
0
20
P
180
135
90
45
0
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