參數(shù)資料
型號(hào)： TPS61029DRCR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2.1 A SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO10
封裝： 3 X 3 MM, GREEN, PLASTIC, SON-10
文件頁數(shù)： 1/29頁
文件大小： 746K
代理商： TPS61029DRCR
(3,25 mm x 3,25 mm)
1
FEATURES
DESCRIPTION
APPLICATIONS
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
SLVS451D – SEPTEMBER 2003 – REVISED FEBRUARY 2006
www.ti.com
96% EFFICIENT SYNCHRONOUS BOOST CONVERTER
2
96% Efficient Synchronous Boost Converter
Output Voltage Remains Regulated When
The TPS6102x devices provide a power supply
solution for products powered by either a one-cell,
Input Voltage Exceeds Nominal Output Voltage
two-cell, or three-cell alkaline, NiCd or NiMH, or
Device Quiescent Current: 25 A (Typ)
one-cell Li-Ion or Li-polymer battery. Output currents
Input Voltage Range: 0.9 V to 6.5 V
can go as high as 200 mA while using a single-cell
Fixed and Adjustable Output Voltage Options
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
Up to 5.5 V
rail or a Li-Ion battery. The boost converter is based
Power Save Mode for Improved Efficiency at
on a fixed frequency, pulse-width-modulation (PWM)
Low Output Power
controller using a synchronous rectifier to obtain
Low Battery Comparator
maximum
efficiency.
At
low
load
currents
the
converter enters the Power Save mode to maintain a
Low EMI-Converter (Integrated Antiringing
high efficiency over a wide load current range. The
Switch)
Power Save mode can be disabled, forcing the
Load Disconnect During Shutdown
converter to operate at a fixed switching frequency.
Over-Temperature Protection
The maximum peak current in the boost switch is
limited to a value of 800 mA, 1500 mA or 1800mA
Small 3 mm × 3 mm QFN-10 Package
depending on the device version.
The TPS6102x devices keep the output voltage
All One-Cell, Two-Cell and Three-Cell Alkaline,
regulated even when the input voltage exceeds the
NiCd or NiMH or Single-Cell Li Battery
nominal output voltage. The output voltage can be
Powered Products
programmed by an external resistor divider, or is
fixed internally on the chip. The converter can be
Portable Audio Players
disabled to minimize battery drain. During shutdown,
PDAs
the load is completely disconnected from the battery.
Cellular Phones
A low-EMI mode is implemented to reduce ringing
Personal Medical Products
and, in effect, lower radiated electromagnetic energy
when
the
converter
enters
the
discontinuous
Camera White LED Flash Light
conduction mode. The device is packaged in a 10-pin
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2003–2006, 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(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS61029DRCRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 1.8-A Switch 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
TPS61029DRCT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 1.8-A Switch 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
TPS61029DRCTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 1.8-A Switch 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
TPS61029DRCTRG4 制造商:Texas Instruments 功能描述:STEP UP CONVERTER ADJ 1.8A SOIC10
TPS61029-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:96% EFFICIENT SYNCHRONOUS BOOST CONVERTERS
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