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TPS40056 PDF预览

TPS40056

更新时间: 2024-11-04 03:58:39
品牌 Logo 应用领域
德州仪器 - TI 输入元件控制器
页数 文件大小 规格书
31页 769K
描述
WIDE-INPUT SYNCHRONOUS, TRACKING BUCK CONTROLLER

TPS40056 数据手册

 浏览型号TPS40056的Datasheet PDF文件第2页浏览型号TPS40056的Datasheet PDF文件第3页浏览型号TPS40056的Datasheet PDF文件第4页浏览型号TPS40056的Datasheet PDF文件第5页浏览型号TPS40056的Datasheet PDF文件第6页浏览型号TPS40056的Datasheet PDF文件第7页 
8
SLVS612 − APRIL 2006  
ꢇ ꢈ ꢉꢊ ꢋꢈꢌ ꢁꢍ ꢀ ꢂꢎ ꢌꢏꢐꢑꢒ ꢌꢒ ꢍꢂ ꢓ ꢀ ꢑꢔꢏꢕꢈ ꢌꢖ  
FEATURES  
CONTENTS  
D
D
D
D
Operating Input Voltage 10 V to 40 V  
Device Ratings  
2
3
5
7
22  
29  
Output Voltage Tracks External Reference  
Electrical Characteristics  
Terminal Information  
Application Information  
Design Example  
Programmable Fixed-Frequency Up to  
100 kHz to 1 MHz Voltage Mode Controller  
Internal Gate Drive Outputs for High-Side  
and Synchronous N-Channel MOSFETs  
Additional References  
D
D
D
D
D
Externally Synchronizable  
Programmable Short-Circuit Protection  
Thermal Shutdown  
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.  
16-Pin PowerPADt Package (θ = 2°C/W)  
JC  
Programmable Closed-Loop Soft-Start  
APPLICATIONS  
D
D
D
D
DDR Tracking Regulators  
Power Modules  
Networking Equipment  
Industrial Servers  
SIMPLIFIED APPLICATION DIAGRAM  
+
TPS40056PWP  
V
IN  
1
2
3
4
5
6
7
8
SYNC  
16  
15  
ILIM  
VIN  
RT  
BP5  
BOOST 14  
EA_REF HDRV 13  
V
TRKIN  
12  
SGND  
SS  
SW  
+
BP10 11  
LDRV 10  
VFB  
V
TT  
COMP PGND  
PAD  
9
UDG−03080  
ꢀꢤ  
Copyright 2006, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
www.ti.com  

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