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參數(shù)資料
| 型號(hào)： | TPS61092RSA |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH |
| 中文描述： | 同步升壓轉(zhuǎn)換器具有2A開關(guān) |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大小： | 457K |
| 代理商： | TPS61092RSA |
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Actual Size
(4,15 mm x 4,15 mm)
www.ti.com
FEATURES
Synchronous (96% Efficient) Boost Converter
With 500-mA Output Current From 1.8-V Input
Available in a 16-Pin QFN 4 x 4 Package
Device Quiescent Current: 20-μA (Typ)
Input Voltage Range: 1.8-V to 5.5-V
Adjustable Output Voltage Up to 5.5-V Fixed
Output Voltage Options
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
DESCRIPTION
The TPS6109x devices provide a power supply
solution for products powered by either a one-cell
Li-Ion or Li-polymer, or a two-cell alkaline, NiCd or
NiMH battery and required supply currents up to or
higher than 1 A. 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 0.5 A at 5
V at a supply voltage down to 1.8 V. The im-
plemented boost converter is based on a fixed
frequency, pulse-width- modulation (PWM) controller
using a synchronous rectifier to obtain maximum
efficiency. Boost switch and rectifier switch are con-
nected internally to provide the lowest leakage induct-
ance and best EMI behavior possible. The maximum
peak current in the boost switch is limited to a value
of 2500 mA.
APPLICATIONS
All Single Cell Li or Dual Cell Battery, or USB
Powered 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
100
μ
F
LBO
PGND
LBI
SYNC
EN
GND
TPS6109x
e.g. 5 V up to
500 mA
Low Battery
Output
R3
R4
R5
1.8 V to 5 V
Input
TPS61090
TPS61091, TPS61092
SLVS484A–JUNE 2003–REVISED APRIL 2004
SYNCHRONOUS BOOST CONVERTER
WITH 2A 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 output voltage can be programmed by an exter-
nal resistor divider or is fixed internally on the chip.
The device is packaged in a 16-pin QFN 4 x 4 mm
(16 RSA) package.
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.
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 2003–2004, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS61092RSAR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5-V Output 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 |
| TPS61092RSARG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5-V Output 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 |
| TPS61093 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW INPUT BOOST CONVERTER WITH INTEGRATED POWER DIODE AND INPUT/OUTPUT ISOLATION |
| TPS61093DSK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW INPUT BOOST CONVERTER WITH INTEGRATED POWER DIODE AND INPUT/OUTPUT ISOLATION |
| TPS61093DSKR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Low In 20V/1.1A Step Up DC/DC 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 |
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