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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 9/21頁(yè) |
| 文件大小： | 432K |
| 代理商： | TPS6205 |
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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 8.
E
V
I
= 3.5 V
SYNC = H
V
O
= 3.3 V
T
A
= 25
°
C
V
I
= 5 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 7.
E
V
I
= 2.7 V
SYNC = H
V
O
= 1.8 V
T
A
= 25
°
C
V
I
= 5 V
V
I
= 3.3 V
V
I
= 10 V
V
I
= 7.2 V
800
810
820
830
840
850
860
870
880
890
900
40
20
T
A
Free-Air Temperature
°
C
Figure 9.
0
20
40
60
80
100
S
2.7 V
3.6 V
7.2 V
5 V
V
I
= 4.5 V to 5.5 V to 4.5 V
1
μ
s/div
1
5
V
O
1
μ
s/div
Figure 11.
2
V
I
= 7.2 V
V
O
= 3.3 V
I
O
= 800 mA
Output Voltage
Voltage at SW Pin
1
10
μ
s/div
Figure 10.
2
1
V
I
= 7.2 V, V
O
= 3.3 V
Output Voltage
Voltage at SW Pin
I
O
= 20 mA
V
I
= 5 V
R
L
= 2.7
EN
V
O
I
I
5
1
200
μ
s/div
1
50
μ
s/div
Figure 13.
5
5
V
I
= 5 V
V
O
= 3.3 V
Output Voltage
Load Step = 60 mA to 540 mA
Voltage at SW Pin
Inductor Current
V
I
= 5 V
I
O
= 100 mA
5
1
5
μ
s/div
Figure 14.
TPS62050, TPS62051
TPS62052, TPS62054, TPS62056
SLVS432D–SEPTEMBER 2002–REVISED OCTOBER 2003
TYPICAL CHARACTERISTICS (continued)
TPS62054
EFFICIENCY
vs
LOAD CURRENT
TPS62056
EFFICIENCY
vs
LOAD CURRENT
SWITCHING FREQUENCY
vs
FREE-AIR TEMPERATURE
OUTPUT VOLTAGE RIPPLE
IN SKIP MODE
OUTPUT VOLTAGE RIPPLE
IN PWM MODE
LINE TRANSIENT RESPONSE
IN PWM MODE
Figure 12.
V
AND I
(INDUCTOR CURRENT)
IN SKIP MODE
LOAD TRANSIENT
START-UP TIMING
Figure 15.
9
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| TPS62050DGSR | 功能描述:直流/直流開(kāi)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(kāi)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(kāi)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(kāi)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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