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參數(shù)資料
| 型號(hào)： | TPS61170DRVT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.44 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, GREEN, PLASTIC, SON-6 |
| 文件頁(yè)數(shù)： | 1/29頁(yè) |
| 文件大?。?/td> | 689K |
| 代理商： | TPS61170DRVT |
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VIN5V
L1
10 H
m
D1
VIN
SW
FB
GND
CTRL
COMP
C2
4.7 F
m
C3
10nF
TPS 61170
R1
87.6kW
VOUT 12V/300mA
R2
10kW
R3
4.99kW
C1
4.7 F
m
L1: TOKO#A915_Y-100M
C1:MurataGRM188R61A475K
C2:MurataGRM21BR61E475K
D1: ONsemiMBR0540T1
*R3,C3:CompensationRCnetwork
SLVS789C
– NOVEMBER 2007 – REVISED APRIL 2011
1.2A High Voltage Boost Converter in 2x2mm2 QFN Package
Check for Samples: TPS61170
1
FEATURES
DESCRIPTION
3-V to 18-V Input Voltage Range
The TPS61170 is a monolithic, high-voltage switching
High Output Voltage: Up to 38 V
regulator with integrated 1.2-A, 40-V power MOSFET.
1.2-A integrated Switch
It
can
be
configured
in
several
standard
switching-regulator topologies, including boost and
1.2-MHz Fixed Switching Frequency
SEPIC. The device has a wide input-voltage range to
12 V at 300 mA and 24 V at 150 mA from 5-V
support applications with input voltage from multi-cell
Input (Typical)
batteries or regulated 5-V, 12-V power rails.
Up to 93% Efficiency
The TPS61170 operates at a 1.2-MHz switching
On-The-Fly Output Voltage Reprogramming
frequency, allowing the use of low-profile inductors
Skip-Switching Cycle for Output Regulation at
and low-value ceramic input and output capacitors.
Light Load
External loop compensation components give the
user flexibility to optimize loop compensation and
Built-in Soft Start
transient response. The device has built-in protection
6-Pin, 2 mm
× 2 mm QFN Package
features, such as pulse-by-pulse overcurrent limit,
soft start and thermal shutdown.
APPLICATIONS
The reference voltage to which the FB pin regulates
5-V to 12-V and 24-V, 12-V to 24-V Boost
is 1.229V. The reference voltage can be lowered
Converter
using a 1-wire digital interface (Easyscale
protocol)
through
the
CTRL
pin.
Alternatively,
a
pulse
Buck Boost Regulation Using SEPIC Topology
width-modulation (PWM) signal can be applied to the
ADSL Modems
CTRL pin. The duty cycle of the signal reduces the
feedback reference voltage proportionally.
The TPS61170 is available in a 6-pin 2 mm
× 2 mm
QFN package, allowing a compact power-supply
solution.
Figure 1. Typical Application
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.
Copyright
2007–2011, 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 |
|---|---|
| TPS61170DRVT | 制造商:Texas Instruments 功能描述:Voltage Regulators |
| TPS61170DRVTG4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 1.2A Sw Hi Vltg Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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 |
| TPS61170EVM-280 | 功能描述:電源管理IC開(kāi)發(fā)工具 TPS61170EVM-280 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS61170EVM-316 | 功能描述:電源管理IC開(kāi)發(fā)工具 TPS61170EVM-316 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS61170-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2A High Voltage Boost Converter in 2x2mm2 QFN Package |
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