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參數資料
| 型號： | TPS64201DBVTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.15 A SWITCHING CONTROLLER, PDSO6 |
| 封裝： | GREEN, PLASTIC, SOT-23, 6 PIN |
| 文件頁數： | 1/29頁 |
| 文件大小： | 596K |
| 代理商： | TPS64201DBVTG4 |
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TPS64200,TPS64201
TPS64202,TPS64203
SLVS485 AUGUST 2003
SOT23 STEPDOWN CONTROLLER
FEATURES
D Step-Down Controller for Applications With
up to 95% Efficiency
D 1.8-V to 6.5-V Operating Input Voltage Range
D Adjustable Output Voltage Range From 1.2 V
to VI
D High Efficiency Over a Wide Load Current
Range
D 100% Maximum Duty Cycle for Lowest
Dropout
D Internal Softstart
D 20-A Quiescent Current (Typical)
D Overcurrent Protected
D Available in a SOT23 Package
APPLICATIONS
D USB Powered Peripherals
D Organizers, PDAs, and Handheld PCs
D Low Power DSP Supply
D Digital Cameras
D Hard Disk Drives
D Portable Audio Players
DESCRIPTION
The
TPS6420x
are
nonsynchronous
step-down
controllers that are ideally suited for systems powered
from a 5-V or 3.3-V bus or for applications powered from
a 1-cell Li-Ion battery or from a 2- to 4-cell NiCd, NiMH, or
alkaline battery. These step-down controllers drive an
external P-channel MOSFET allowing design flexibility. To
achieve highest efficiency over a wide load current range,
this controller uses a minimum on time, minimum off time
control scheme and consumes only 20-
A quiescent
current. The minimum on time of typically 600 ns
(TPS64203) allows the use of small inductors and
capacitors. When disabled, the current consumption is
reduced to less than 1
A. The TPS6420x is available in
the 6-pin SOT23 (DBV) package and operates over a free
air temperature range of 40
°C to 85°C.
TYPICAL APPLICATION CIRCUIT
5
TPS64200
Si5447DC
ZHCS2000
EN
GND
FB
SW
VIN
ISENSE
Rs = 33 m
10
H
3.3 V / 2 A
47
F
PosCap
6TPA47M
R1
620 k
R2
360 k
10
F
5 V
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
0.1
1
10
TA = 25°C,
VO = 3.3 V
TPS64200
EFFICIENCY
vs
LOAD CURRENT
IO Load Current A
Efficiency
%
VI = 4.2 V
1
2
3
6
4
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
www.ti.com
Copyright
2003, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS64202DBVR | 功能描述:DC/DC 開關控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS64202DBVRG4 | 功能描述:DC/DC 開關控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS64202DBVT | 功能描述:DC/DC 開關控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS64202DBVTG4 | 功能描述:DC/DC 開關控制器 Adj Hi-Efficient Step-Dwn 20uA SOT-23 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS64202EVM-023 | 功能描述:電源管理IC開發工具 TPS64202-023 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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