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參數資料
| 型號： | TPS54974PWPG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 16 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 743K |
| 代理商： | TPS54974PWPG4 |
6,4 mm X 9,7 mm
Typical Size
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
SIMPLIFIED SCHEMATIC
PVIN
PH
BOOT
PGND
VSENSE
Output
AGND
VBIAS
Input1
TPS54974
SIMPLIFIED SCHEMATIC
COMP
Compensation
Network
VIN
2.5 V or 3.3 V
3.3 V
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
IO - Output Current - A
Efficiency
-
%
EFFICIENCY
vs
OUTPUT CURRENT
VIN = 3.3 V,
PVIN = 2.5 V,
VO = 1.8 V,
fs= 700 kHz
Input2
TPS54974
SLVS458B – JANUARY 2003 – REVISED FEBRUARY 2005
DUAL INPUT BUS (2.5 V, 3.3 V) 9-A OUTPUT SYNCHRONOUS BUCK
PWM SWITCHER WITH INTEGRATED FETs (SWIFT)
Low Voltage Separate Power Bus
As a member of the SWIFT family of dc/dc regu-
lators, the TPS54974 low-input voltage, high-output
15-m
MOSFET Switches for High Efficiency
current synchronous buck PWM converter integrates
at 9-A Continuous Output
all required active components. Included on the
Adjustable Output Voltage
substrate
with
the
listed
features
are
a
true,
Externally Compensated With 1% Internal
high-performance, voltage error amplifier that enables
Reference Accuracy
maximum performance under transient conditions
and flexibility in choosing the output filter L and C
Fast Transient Response
components; an undervoltage-lockout circuit to pre-
Wide PWM Frequency: Adjustable 280 kHz to
vent start-up until the VIN input voltage reaches 3 V;
700 kHz
an internally and externally set slow-start circuit to
Load Protected by Peak Current Limit and
limit in-rush currents; and a power-good output useful
Thermal Shutdown
for processor/logic reset, fault signaling, and supply
sequencing.
Integrated Solution Reduces Board Area and
Total Cost
The TPS54974 is available in a thermally enhanced
28-pin TSSOP (PWP) PowerPAD package, which
eliminates bulky heatsinks.
Low-Voltage, High-Density Systems
With Power Distributed at 2.5 V,
3.3 V Available
Point-of-Load Regulation for
High-Performance
DSPs, FPGAs, ASICs, and
Microprocessors
Broadband, Networking, and Optical
Communications Infrastructure
Portable Computing/Notebook PCs
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.
SWIFT, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2003–2005, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS54974PWPR | 功能描述:直流/直流開關調節器 Dl Inp Bus 3.3 2.5V 9A Output Synch Buck RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54974PWPRG4 | 功能描述:直流/直流開關調節器 Dl Inp Bus 3.3 2.5V 9A Output Synch Buck RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54980 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio |
| TPS54980EVM-022 | 功能描述:電源管理IC開發工具 3.3/5Vin 9-A Seq DC/DC Conv Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS54980PWP | 功能描述:直流/直流開關調節器 3.3V Inp Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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