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參數(shù)資料
| 型號(hào)： | TPS61041DRV |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES |
| 中文描述： | 低功耗DC / DC升壓轉(zhuǎn)換器采用SOT - 23和兒子套票 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 491K |
| 代理商： | TPS61041DRV |
1
FEATURES
1.8-V to 6-V Input Voltage Range
Adjustable Output Voltage Range up to 28 V
400-mA (TPS61040) and 250-mA (TPS61041)
Internal Switch Current
Up to 1-MHz Switching Frequency
28-
μ
A Typical No-Load Quiescent Current
1-
μ
A Typical Shutdown Current
Internal Soft Start
Available in SOT23-5 and 2
×
2
×
0.8-mm SON
Packages
DESCRIPTION
The
TPS61040/41
converter dedicated for small to medium LCD bias
supply and white LED backlight supplies. The device
is ideal to generate output voltages up to 28 V from a
dual cell NiMH/NiCd or a single cell Li-Ion battery.
The part can also be used to generate standard
3.3-V/5-V to 12-V power conversions.
APPLICATIONS
LCD Bias Supply
White-LED Supply for LCD Backlights
Digital Still Camera
PDAs, Organizers, and Handheld PCs
Cellular Phones
Internet Audio Player
Standard 3.3-V/5-V to 12-V Conversion
3
2
4
5
DBV PACKAGE
(Top View)
1
SW
GND
FB
V
IN
EN
GND
SW
V
IN
NC
EN
FB
3
2
1
4
5
6
DRV PACKAGE
(Top View)
TYPICAL APPLICATION
V
IN
SW
FB
EN
GND
L1
10
μ
H
D1
R1
R2
C
FF
C
O
1
μ
F
V
OUT
V
IN
to 28 V
V
IN
1.8 V to 6.0 V
C
IN
4.7
μ
F
70
72
74
76
78
80
82
84
86
88
90
0.10
1
10
100
V
I
= 5 V
V
I
= 3.6 V
V
I
= 2.4 V
E
EFFICIENCY
vs
OUTPUT CURRENT
I
O
- Output Current - mA
5
4
2
3
1
V
O
= 18 V
TPS61040
TPS61041
SLVS413C–OCTOBER 2002–REVISED AUGUST 2007
www.ti.c om
LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES
is
a
high-frequency
boost
The
frequency up to 1 MHz. This allows the use of small
external components using ceramic as well as
tantalum output capacitors. Together with the thin
SON package, the TPS61040/41 gives a very small
overall solution size. The TPS61040 has an internal
400 mA switch current limit, while the TPS61041 has
a 250-mA switch current limit, offering lower output
voltage ripple and allows the use of a smaller form
factor inductor for lower power applications. The low
quiescent current (typically 28
μ
A) together with an
optimized control scheme, allows device operation at
very high efficiencies over the entire load current
range.
TPS61040/41
operates
with
a
switching
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.
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 2002–2007, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS61041DRVR | 功能描述:LED照明驅(qū)動(dòng)器 28V 250-mA Sw Boost Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61041DRVRG4 | 功能描述:LED照明驅(qū)動(dòng)器 28V 250-mA Sw Boost Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61041DRVT | 功能描述:LED照明驅(qū)動(dòng)器 28V 250mA Sw Boost Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61041DRVTG4 | 功能描述:LED照明驅(qū)動(dòng)器 28V 250-mA Sw Boost Converter RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS61041-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW POWER DC/DC BOOST CONVERTER IN SOT-23 PACKAGE |
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