參數(shù)資料
型號： TPS6205
廠商： Texas Instruments, Inc.
英文描述： 800-mA SYNCHRONOUS STEP-DOWN CONVERTER
中文描述： 800毫安同步降壓轉(zhuǎn)換器
文件頁數(shù)： 8/21頁
文件大小： 432K
代理商： TPS6205
www.ti.com
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1 k
I
L
Load Current mA
Figure 1.
E
V
I
= 5.5 V
V
I
= 6.5 V
V
I
= 7.2 V
V
I
= 8.4 V
V
I
= 10 V
SYNC = L
V
O
= 5 V
T
A
= 25
°
C
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1 k
I
L
Load Current mA
Figure 2.
E
V
I
= 2.7 V
V
I
= 3.3 V
V
I
= 5 V
SYNC = L
V
O
= 1.5 V
T
A
= 25
°
C
V
I
= 7.2 V
V
I
= 10 V
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1 k
I
L
Load Current mA
Figure 3.
E
V
I
= 2.7 V
V
I
= 3.3 V
V
I
= 5 V
SYNC = L
V
O
= 1.8 V
T
A
= 25
°
C
V
I
= 7.2 V
V
I
= 10 V
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1 k
I
L
Load Current mA
Figure 6.
E
V
I
= 2.7 V
SYNC = H
V
O
= 1.5 V
T
A
= 25
°
C
V
I
= 5 V
V
I
= 3.3 V
V
I
= 10 V
V
I
= 7.2 V
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1 k
I
L
Load Current mA
Figure 4.
E
V
I
= 3.5 V
V
I
= 5 V
SYNC = L
V
O
= 3.3 V
T
A
= 25
°
C
V
I
= 10 V
V
I
= 7.2 V
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1 k
I
L
Load Current mA
Figure 5.
E
V
I
= 5.5 V
SYNC = H
V
O
= 5 V
T
A
= 25
°
C
V
I
= 7.2 V
V
I
= 6.5 V
V
I
= 10 V
V
I
= 8.4 V
TPS62050, TPS62051
TPS62052, TPS62054, TPS62056
SLVS432D–SEPTEMBER 2002–REVISED OCTOBER 2003
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
FIGURE
Efficiency vs load current
1 - 8
Switching frequency vs temperature
9
Output voltage ripple in SKIP mode
10
Output voltage ripple in PWM mode
11
Line transient response in PWM mode
12
Load transient
13
V
(switch)
and I
L
(inductor current) in skip mode
Start-up timing
14
15
TPS62050
EFFICIENCY
vs
LOAD CURRENT
TPS62052
EFFICIENCY
vs
LOAD CURRENT
TPS62054
EFFICIENCY
vs
LOAD CURRENT
TPS62056
EFFICIENCY
vs
LOAD CURRENT
TPS62050
EFFICIENCY
vs
LOAD CURRENT
TPS62052
EFFICIENCY
vs
LOAD CURRENT
8
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TPS62050DGS 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 800mA 10V Vin Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62050DGSG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 800mA 10V Vin Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62050DGSR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 800mA 10V Vin Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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TPS62050DGSRG4 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Adj 800mA 10V Vin Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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