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參數(shù)資料
| 型號： | TPS61030RSA |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 4A SWITCH |
| 中文描述： | 96％高效同步升壓轉(zhuǎn)換器和4A條開關(guān) |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 375K |
| 代理商： | TPS61030RSA |
www.ti.com
FEATURES
96% Efficient Synchronous Boost Converter
With 1000-mA Output Current From 1.8-V
Input
Device Quiescent Current: 20-μA (Typ)
Input Voltage Range: 1.8-V to 5.5-V
Fixed and Adjustable Output Voltage Options
Up to 5.5-V
Power Save Mode for Improved Efficiency at
Low Output Power
Low Battery Comparator
Low EMI-Converter (Integrated Antiringing
Switch)
Load Disconnect During Shutdown
Over-Temperature Protection
Available in a Small 4 mm x 4 mm QFN-16 or
in a TSSOP-16 Package
DESCRIPTION
The TPS6103x devices provide a power supply
solution for products powered by either a one-cell
Li-Ion or Li-polymer, or a two to three-cell alkaline,
NiCd or NiMH battery. The converter generates a
stable output voltage that is either adjusted by an
external resistor divider or fixed internally on the chip.
It provides high efficient power conversion and is
capable of delivering output currents up to 1 A at 5 V
at a supply voltage down to 1.8 V. The implemented
boost converter is based on a fixed frequency,
pulse-width- modulation (PWM) controller using a
synchronous rectifier to obtain maximum efficiency.
At low load currents the converter enters Power Save
mode to maintain a high efficiency over a wide load
current range. The Power Save mode can be dis-
abled, forcing the converter to operate at a fixed
switching frequency. It can also operate synchronized
to an external clock signal that is applied to the
SYNC pin. The maximum peak current in the boost
switch is limited to a value of 4500 mA.
APPLICATIONS
All Single Cell Li or Dual Cell Battery
Operated Products as MP-3 Player, PDAs, and
Other Portable Equipment
SW
C1
10
μ
F
L1
6.8
μ
H
R1
R2
VBAT
VOUT
FB
C2
2.2
μ
F
C3
220
μ
F
LBO
PGND
LBI
SYNC
EN
GND
TPS6103x
e.g. 5 V up to
1000 mA
Low Battery
Comparator
Output
R3
R4
R6
1.8 V to 5 V
Input
TPS61030
TPS61031, TPS61032
SLUS534D–SEPTEMBER 2002–REVISED APRIL 2004
96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 4A SWITCH
The converter can be disabled to minimize battery
drain. During shutdown, the load is completely dis-
connected from the battery. A low-EMI mode is
implemented to reduce ringing and, in effect, lower
radiated electromagnetic energy when the converter
enters the discontinuous conduction mode.
The device is packaged in a 16-pin QFN package
measuring 4 mm x 4 mm (RSA) or in a 16-pin
TSSOP PowerPAD package (PWP).
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.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2002–2004, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS61030RSAR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1Adj 1-A 96% Eff Boost 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 |
| TPS61030RSAR | 制造商:Texas Instruments 功能描述:IC BOOST CONVERTER ADJ 16-QFN |
| TPS61030RSAR | 制造商:Texas Instruments 功能描述:IC, SYNC BOOST CONVERTER, QFN-16 |
| TPS61030RSARG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1Adj 1-A 96% Eff Boost 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 |
| TPS61031 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 4A SWITCH |
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