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| 型號： | TPS40056PWPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | PLASTIC, HTSSOP-16 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 747K |
| 代理商： | TPS40056PWPRG4 |
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TPS40056
SLVS612 APRIL 2006
WIDEINPUT SYNCHRONOUS, TRACKING
BUCK CONTROLLER
8
1
www.ti.com
FEATURES
D Operating Input Voltage 10 V to 40 V
D Output Voltage Tracks External Reference
D Programmable Fixed-Frequency Up to
100 kHz to 1 MHz Voltage Mode Controller
D Internal Gate Drive Outputs for High-Side
and Synchronous N-Channel MOSFETs
D Externally Synchronizable
D Programmable Short-Circuit Protection
D Thermal Shutdown
D 16-Pin PowerPADt Package (θJC = 2°C/W)
D Programmable Closed-Loop Soft-Start
APPLICATIONS
D DDR Tracking Regulators
D Power Modules
D Networking Equipment
D Industrial Servers
CONTENTS
Device Ratings
2
Electrical Characteristics
3
Terminal Information
5
Application Information
7
Design Example
22
Additional References
29
DESCRIPTION
The TPS40056 is part of a family of high-voltage,
wide input, synchronous, step-down converters.
The TPS40056 offers design flexibility with a
variety of user programmable functions, including
soft-start, operating frequency, high-side current
limit, and loop compensation. The TPS40056 is
also synchronizable to an external supply. It
incorporates MOSFET gate drivers for external
N-channel high-side and synchronous rectifier
(SR) MOSFETs. Gate drive logic incorporates
anti-cross
conduction
circuitry
to
prevent
simultaneous high-side and synchronous rectifier
conduction. The externally programmable short
circuit protection provides pulse-by-pulse current
limit, as well as hiccup mode operation utilizing an
internal
fault
counter
for
longer
duration
overloads.
SIMPLIFIED APPLICATION DIAGRAM
VTT
VIN
VTRKIN
UDG03080
5
13
12
16
15
1
2
3
SYNC
RT
BP5
SGND
VIN
HDRV
SW
BP10
4
EA_REF
11
ILIM
TPS40056PWP
6SS
7
VFB
8
COMP
14
BOOST
LDRV
10
PGND
9
+
PAD
+
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2006, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS40057 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:WIDE INPUT SYNCHRONOUS BUCK CONTROLLER |
| TPS40057PWP | 功能描述:DC/DC 開關(guān)控制器 Wide Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40057PWP | 制造商:Texas Instruments 功能描述:CONTROLLER IC |
| TPS40057PWPG4 | 功能描述:DC/DC 開關(guān)控制器 Wide Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40057PWPR | 功能描述:DC/DC 開關(guān)控制器 Wide Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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