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參數資料
| 型號： | TPS63020DSJ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 4.5 A SWITCHING REGULATOR, 2600 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | 3 X 4 MM, PLASTIC QFN-14 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 1403K |
| 代理商： | TPS63020DSJ |
L1
VIN
VINA
EN
PS/SYNC
GND
L2
VOUT
FB
PGND
L1
1.5 H
C2
C1
V
IN
1.8 V to
5.5 V
V
OUT
3.3 V
up to 3 A
TPS63021
PG
Power Good
Output
www.ti.com
SLVS916 – APRIL 2010
HIGH EFFICIENCY SINGLE INDUCTOR BUCK-BOOST CONVERTER WITH 4-A SWITCHES
1
FEATURES
APPLICATIONS
All Two-Cell and Three-Cell Alkaline, NiCd or
2
Up to 96% Efficiency
NiMH or Single-Cell Li Battery Powered
3A Output Current at 3.3V in Step Down Mode
Products
(VIN = 3.6V to 5.5V)
Ultra Mobile PC's and Mobile Internet Devices
More than 2A Output Current at 3.3V in Boost
Digital Media Players
Mode (VIN > 2.5V)
DSC's and Camcorders
Automatic Transition Between Step Down and
Cellular Phones and Smartphones
Boost Mode
Personal Medical Products
Dynamic Input Current Limit
Industrial Metering Equipment
Device Quiescent Current less than 50mA
High Power LED's
Input Voltage Range: 1.8V to 5.5V
Fixed and Adjustable Output Voltage Options
DESCRIPTION
from 1.2V to 5.5V
The TPS6302x devices provide a power supply
Power Save Mode for Improved Efficiency at
solution for products powered by either a two-cell or
Low Output Power
three-cell alkaline, NiCd or NiMH battery, or a
one-cell Li-Ion or Li-polymer battery. Output currents
Forced Fixed Frequency Operation at 2.4MHz
can go as high as 3A while using a single-cell Li-Ion
and Synchronization Possible
or Li-Polymer Battery, and discharge it down to 2.5V
Smart Power Good Output
or lower. The buck-boost converter is based on a
Load Disconnect During Shutdown
fixed
frequency,
pulse-width-modulation
(PWM)
controller using synchronous rectification to obtain
Overtemperature Protection
maximum
efficiency.
At
low
load
currents,
the
Overvoltage Protection
converter enters Power Save mode to maintain high
Available in a 3 × 4-mm, QFN-14 Package
efficiency over a wide load current range. The Power
Save mode can be disabled, forcing the converter to
operate at a fixed switching frequency. The maximum
average current in the switches is limited to a typical
value of 4A. The output voltage is programmable
using an external resistor divider, or is fixed internally
on the chip. The converter can be disabled to
minimize battery drain. During shutdown, the load is
disconnected
from
the
battery.
The
device
is
packaged in a 14-pin QFN PowerPAD package
measuring 3 × 4 mm (DSJ).
1
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.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS63020DSJR | 功能描述:直流/直流開關調節器 93% Eff Buck-Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS63020DSJT | 功能描述:直流/直流開關調節器 93% Eff Buck-Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS63020EVM-487 | 功能描述:電源管理IC開發工具 TPS63020 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 |
| TPS63020EVM-487 | 制造商:Texas Instruments 功能描述:TPS63020 EVALUATION BOARD |
| TPS63020QDSJRQ1 | 功能描述:Buck-Boost Switching Regulator IC Positive Adjustable 1.2V 1 Output 3.5A (Switch) 14-VFDFN Exposed Pad 制造商:texas instruments 系列:汽車級，AEC-Q100 包裝:剪切帶（CT） 零件狀態:有效 功能:升壓/降壓 輸出配置:正 拓撲:降壓-升壓 輸出類型:可調式 輸出數:1 電壓 - 輸入（最小值）:1.8V 電壓 - 輸入（最大值）:5.5V 電壓 - 輸出（最小值/固定）:1.2V 電壓 - 輸出（最大值）:5.5V 電流 - 輸出:3.5A（開關） 頻率 - 開關:2.4MHz 同步整流器:是 工作溫度:-40°C ~ 125°C （TJ） 安裝類型:表面貼裝 封裝/外殼:14-VFDFN 裸露焊盤 供應商器件封裝:14-VSON（4x3） 標準包裝:1 |
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