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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 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 432K |
| 代理商： | TPS6205 |
www.ti.com
TPS62050, TPS62051
TPS62052, TPS62054, TPS62056
SLVS432D–SEPTEMBER 2002–REVISED OCTOBER 2003
ELECTRICAL CHARACTERISTICS (continued)
V
I
=7.2 V, V
O
= 3.3 V, I
O
= 300 mA, EN = V
I
, T
A
=-40
°
C to 85
°
C unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Feedback voltage
tolerance
TPS62050,
TPS62051
V
= 2.7 V to 10 V,
0 mA< I
O
< 600 mA
V
= 2.7 V to 10 V,
0 mA< I
O
< 600 mA
V
= 2.7 V to 10 V,
0 mA< I
O
< 600 mA
V
= 3.75 V to 10 V,
0 mA< I
O
< 600 mA
-3%
3%
TPS62052
-3%
3%
Fixed output voltage
tolerance(1)
TPS62054
-3%
3%
TPS62056
-3%
3%
Resistance of internal voltage divider
forfixed-voltage versions
700
1000
1300
k
V
O
= 3.3 V, V
I
= 5 V to 10 V,
I
O
= 600 mA
V
I
= 7.2 V; I
O
= 10 mA to 600 mA
V
I
= 5 V; V
O
= 3.3 V; I
O
= 300 mA
V
I
= 3.6 V; V
O
= 2.5 V; I
O
= 200 mA
Line regulation
5.2
mV/V
Load regulation
0.0045
%/mA
93%
η
Efficiency
93%
Duty cycle range for main switches
100%
Minimum t
on
time for main switch
Shutdown temperature
100
ns
145
°
C
I
O
= 200 mA, V
= 5 V, V
o
= 3.3 V,
C
o
= 22 μF, L = 10 μH
Start-up time
1
ms
(1)
The worst case r
DS(on)
of the PMOS in 100% mode for an input voltage of 3.3 V is 0.75
. This value can be used to determine the
minimum input voltage if the output current is less than 600 mA with the TPS62056.
4
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相關(guān)代理商/技術(shù)參數(shù) |
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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 |
| TPS62050DGSR | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| 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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