参数资料
型号: TPS51461RGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC24
封装: 4 X 4 MM, GREEN, PLASTIC, QFN-24
文件页数: 13/31页
文件大小: 1627K
代理商: TPS51461RGET
40
45
50
55
60
65
70
75
80
85
90
0.01
0.1
1
10
Output Current (A)
Efficiency
(%)
Mode 1
Mode 3
Mode 4
Mode 7
Mode 8
TA = 25°C
VIN = 3.3 V
40
45
50
55
60
65
70
75
80
85
90
0.01
0.1
1
10
Output Current (A)
Efficiency
(%)
Mode 1
Mode 3
Mode 4
Mode 7
Mode 8
TA = 25°C
VIN = 5 V
0.00
0.25
0.50
0.75
1.00
1.25
0.1
1
10
Output Current (A)
Power
Loss
(W)
Mode 1
Mode 3
Mode 4
Mode 7
Mode 8
TA = 25°C
VIN = 3.3 V
0.00
0.25
0.50
0.75
1.00
1.25
0.1
1
10
Output Current (A)
Power
Loss
(W)
Mode 1
Mode 3
Mode 4
Mode 7
Mode 8
TA = 25°C
VIN = 5 V
100
150
200
250
300
350
400
50
0
-30
-20
-10
30
40
50
-40
-50
0
10
20
Frequency (Hz)
Gain
Phase
1000
10 k
100 k
1 M
10 M
G
a
in
(d
B
)
P
h
a
s
e
)
25°C
-10°C
85°C
60
110
160
210
260
310
360
10
-40
-30
-20
-10
30
40
50
-40
-50
0
10
20
Frequency (Hz)
Gain
Phase
25°C
-10°C
85°C
1000
10 k
100 k
1 M
10 M
G
a
in
(d
B
)
P
h
a
s
e
)
60
SLUSAD9 – DECEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS
Figure 13. Efficiency vs Output Current
Figure 14. Efficiency vs Output Current
Figure 15. Power Loss
Figure 16. Power Loss
Figure 17. Bode Plot (Non-Droop Mode) VIN = 5 V,
Figure 18. Bode Plot (Droop Mode), VIN = 5 V,
VOUT = 0.8 V, ILOAD = 5 A
20
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS51461
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