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參數(shù)資料
| 型號(hào)： | TPS5420D |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 6.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, MS-012AA, SOIC-8 |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大小： | 738K |
| 代理商： | TPS5420D |
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1
FEATURES
APPLICATIONS
DESCRIPTION
VIN
NC
ENA
GND
VSENSE
BOOT
PH
TPS5420
VIN
VOUT
95
60
70
80
90
100
0
0.5
1
1.5
2.5
3
Efficiency
%
I
OutputCurrent
A
O
-
EfficiencyvsOutputCurrent
SimplifiedSchematic
2
50
55
65
75
85
V
I =12V
SLVS642C – APRIL 2006 – REVISED OCTOBER 2007
www.ti.com
2-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
Consumer: Set-top Box, DVD, LCD Displays
2
Wide Input Voltage Range: 5.5 V to 36 V
Industrial and Car Audio Power Supplies
Up to 2-A Continuous (3-A Peak) Output
Battery Chargers, High Power LED Supply
Current
12-V/24-V Distributed Power Systems
High Efficiency up to 95% Enabled by 110-m
Integrated MOSFET Switch
Wide Output Voltage Range: Adjustable Down
to 1.22 V with 1.5% Initial Accuracy
As a member of the SWIFT family of DC/DC
regulators, the TPS5420 is a high-output-current
Internal Compensation Minimizes External
PWM converter that integrates a low resistance high
Parts Count
side N-channel MOSFET. Included on the substrate
Fixed 500-kHz Switching Frequency for Small
with the listed features is a high performance voltage
Filter Size
error amplifier that provides tight voltage regulation
accuracy
under
transient
conditions;
an
Improved Line Regulation and Transient
undervoltage-lockout circuit to prevent start-up until
Response by Input Voltage Feed Forward
the input voltage reaches 5.5 V; an internally set
System Protected by Over Current Limiting,
slow-start circuit to limit inrush currents; and a voltage
Over Voltage Protection and Thermal
feed-forward
circuit
to
improve
the
transient
Shutdown
response. Using the ENA pin, shutdown supply
–40°C to 125°C Operating Junction
current is reduced to 18
μA typically. Other features
Temperature Range
include an active-high enable, overcurrent limiting,
overvoltage protection and thermal shutdown. To
Available in Small 8-Pin SOIC Package
reduce design complexity and external component
For SWIFT Documentation, Application Notes
count, the TPS5420 feedback loop is internally
and Design Software, See the TI Website at
compensated.
The TPS5420 device is available in an easy to use
8-pin SOIC package. TI provides evaluation modules
and the SWIFT Designer software tool to aid in
quickly achieving high-performance power supply
designs to meet aggressive equipment development
cycles.
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
SWIFT is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2007, 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 |
|---|---|
| TPS5420D | 制造商:Texas Instruments 功能描述:Linear Voltage Regulator IC |
| TPS5420DG4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 5.5 to 36V 2A Step Down Swift Conv 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 |
| TPS5420D-P | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| TPS5420DR | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 5.5 to 36V 2A Step Down Swift Conv 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 |
| TPS5420DRG4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 5.5 to 36V 2A Step Down Swift Conv 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 |
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