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參數資料
| 型號： | TPS61027QDRCRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | BATTERY CHARGE CONTROLLER, PDSO10 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 0K |
| 代理商： | TPS61027QDRCRQ1 |
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SW
C1
10
F
L1
6.8
H
R1
R2
VBAT
VOUT
FB
C2
2.2
F
C3
47
F
LBO
PGND
LBI
PS
EN
GND
TPS61020
VO
3.3 V Up To
200 mA
Low Battery
Output
R3
R4
R5
0.9-V To
6.5-V Input
TPS61025-Q1
TPS61027-Q1
www.ti.com
SLVSA31 – NOVEMBER 2009
96% EFFICIENT SYNCHRONOUS BOOST CONVERTERS
Check for Samples :TPS61029-Q1
1
FEATURES
DESCRIPTION
2
Qualified for Automotive Applications
96% Efficient Synchronous Boost Converter
The TPS6102x devices provide a power supply
solution for products powered by either a one-cell,
Output Voltage Remains Regulated When
two-cell, or three-cell alkaline, NiCd or NiMH, or
Input Voltage Exceeds Nominal Output Voltage
one-cell Li-Ion or Li-polymer battery. Output currents
Device Quiescent Current: 25 A (Typ)
can go as high as 200 mA while using a single-cell
Input Voltage Range: 0.9 V to 6.5 V
alkaline, and discharge it down to 0.9 V. It can also
be used for generating 5 V at 500 mA from a 3.3-V
Fixed and Adjustable Output Voltage Options
rail or a Li-Ion battery. The boost converter is based
Up to 5.5 V
on a fixed frequency, pulse-width-modulation (PWM)
Power Save Mode for Improved Efficiency at
controller using a synchronous rectifier to obtain
Low Output Power
maximum
efficiency.
At
low
load
currents
the
converter enters the Power Save mode to maintain a
Low Battery Comparator
high efficiency over a wide load current range. The
Low EMI-Converter (Integrated Antiringing
Power Save mode can be disabled, forcing the
Switch)
converter to operate at a fixed switching frequency.
Load Disconnect During Shutdown
The maximum peak current in the boost switch is
limited to a value of 800 mA, 1500 mA or 1800mA
Over-Temperature Protection
depending on the device version.
Small 3-mm × 3-mm QFN-10 Package
The TPS6102x devices keep the output voltage
regulated even when the input voltage exceeds the
APPLICATIONS
nominal output voltage. The output voltage can be
All One-Cell, Two-Cell and Three-Cell Alkaline,
programmed by an external resistor divider, or is
NiCd or NiMH or Single-Cell Li Battery
fixed internally on the chip. The converter can be
Powered Products
disabled to minimize battery drain. During shutdown,
Portable Audio Players
the load is completely disconnected from the battery.
PDAs
A low-EMI mode is implemented to reduce ringing
Cellular Phones
and, in effect, lower radiated electromagnetic energy
when
the
converter
enters
the
discontinuous
Personal Medical Products
conduction mode. The device is packaged in a 10-pin
Camera White LED Flash Light
QFN PowerPAD package measuring 3 mm x 3 mm
(DRC).
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.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2009, Texas Instruments Incorporated
PRODUCTION DATA information 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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS61028 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:96% EFFICIENT SYNCHRONOUS BOOST CONVERTER |
| TPS61028DRC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:96% EFFICIENT SYNCHRONOUS BOOST CONVERTER |
| TPS61028DRCR | 功能描述:直流/直流開關調節器 Adj 800mA Switch 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 |
| TPS61028DRCR | 制造商:Texas Instruments 功能描述:DC/DC CONVERTER IC 制造商:Texas Instruments 功能描述:IC, SYNC BOOST CONVERTER, SON-10 |
| TPS61028DRCRG4 | 功能描述:直流/直流開關調節器 Adj 800mA Switch 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 |
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