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參數資料
| 型號： | TPS54283PWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 3.6 A DUAL SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | GREEN, PLASTIC, HTSSOP-14 |
| 文件頁數： | 1/52頁 |
| 文件大小： | 1110K |
| 代理商： | TPS54283PWPR |
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1
FEATURES
CONTENTS
DESCRIPTION
APPLICATIONS
1
2
3
4
14
13
12
11
PVDD2
BOOT2
SW2
BP
PVDD1
BOOT1
SW1
GND
TPS54283
5
6
7
10
9
8
SEQ
ILIM2
FB2
EN1
EN2
FB1
OUTPUT1
OUTPUT2
V
IN
UDG-07006
GND
SLUS749C – JULY 2007 – REVISED OCTOBER 2007
www.ti.com
2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET
23
4.5-V to 28-V Input Range
2
Output Voltage Range 0.8 V to 90% of Input
3
Voltage
9
Output Current Up to 2 A
12
32
Two Fixed Switching Frequency Versions:
44
–
TPS54283: 300 kHz
–
TPS54286: 600 kHz
Two Selectable Levels of Overcurrent
Protection (Output 2)
TPS54283
and
TPS54286
are
dual
output
non-synchronous
buck
converters
capable
of
0.8-V 1.5% Voltage Reference
supporting 2-A output applications that operate from a
2.1-ms Internal Soft Start
4.5-V to 28-V input supply voltage, and require output
Dual PWM Outputs 180° Out-of-Phase
voltages between 0.8 V and 90% of the input voltage.
Ratiometric or Sequential Startup Modes
With internally-determined operating frequency, soft
Selectable by a Single Pin
start time, and control loop compensation, these
100-m Internal High-Side MOSFETs
converters provide many features with a minimum of
external
components.
Channel
1
overcurrent
Current Mode Control
protection is set at 3 A, while Channel 2 overcurrent
Internal Compensation (See Page 16)
protection level is selected by connecting a pin to
Pulse-by-Pulse Overcurrent Protection
ground, to BP, or left floating. The setting levels are
used to allow for scaling of external components for
Thermal Shutdown Protection at 148°C
applications not needing the full load capability of
14-Pin PowerPAD HTSSOP package
both outputs.
The outputs may be enabled independently, or may
be configured to allow either ratiometric or sequential
Set Top Box
startup sequencing. Additionally, the two outputs may
Digital TV
also be powered from different sources.
Power for DSP
Consumer Electronics
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
PowerPAD is a trademark of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 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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| TPS54291PWPR | 4.6 A DUAL SWITCHING CONTROLLER, 720 kHz SWITCHING FREQ-MAX, PDSO16 |
| TPS5430DDAR | 6 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS54283PWPRG4 | 功能描述:直流/直流開關調節器 2A Non-Synch 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 |
| TPS54286 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio |
| TPS54286PWP | 功能描述:直流/直流開關調節器 2A Non-Synch 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 |
| TPS54286PWPG4 | 功能描述:直流/直流開關調節器 2A Non-Synch 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 |
| TPS54286PWPR | 功能描述:直流/直流開關調節器 2A Dual Non-Synch Buck Conv 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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