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TPS51513_16

更新时间： 2024-11-06 02:58:27
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
37页 1089K
描述
SINGLE PHASE, D-CAP SYNCHRONOUS BUCK CONTROLLER

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TPS51513_16 数据手册

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TPS51513  
www.ti.com ...................................................................................................................................................................................................... SLUS956–JUNE 2009  
SINGLE PHASE, D-CAP+™ SYNCHRONOUS BUCK CONTROLLER  
WITH INTEGRATED DRIVERS FOR GENERAL IC V ™ APPLICATIONS  
CORE  
1
FEATURES  
DESCRIPTION  
23  
•
Minimum External Parts Count  
•
Includes Accurate Output Current Monitor with  
Programmable Clamp Voltage  
The TPS51513 is a single-phase synchronous buck  
controller with integrated gate drivers. Advanced  
control features such as the D-CAP+™ architecture  
and OSR™ overshoot reduction provide fast transient  
response, low output capacitance and high efficiency.  
The TPS51513 supports a wide range of IC VCORE  
applications with an integrated 3-bit DAC. It also  
provides a full complement of signal I/O including a  
sleep mode control (SLP), two power good signals  
(PGOOD and PG), and an analog current monitor  
(IMON). Logic inputs are compatible with either 1-V  
or 3.3-V logic levels. VCORE slew rates are controlled  
with one resistor. In addition, the TPS51513 includes  
high-current FET gate drivers with an integrated P/N  
junction diode to drive N-channel FETs with low  
switching loss. The TPS51513 is available in the  
5 mm × 5 mm, 32-pin QFN package and operates  
between –10°C and 100°C.  
•
•
•
•
•
•
3-Bit DAC Selects 1 of 8 Output Voltages  
Custom VID Definition Available  
Supports VID-on-the-Fly Voltage Changes  
±8-mV VCORE Accuracy Over Line/Load/Temp.  
Optimized Efficiency at Light and Heavy Loads  
Patented Output Overshoot Reduction (OSR™)  
Reduces Output Capacitance  
•
Accurate, Adjustable Voltage Positioning  
Including No-Droop Option  
•
•
•
•
•
Selectable 250/300/350/500 kHz Frequency  
Accurate, 8-level Selectable Current Limit  
3-V to 28-V Conversion Voltage Range  
Fast FET Driver w/Integrated Boost Diode  
5 mm × 5 mm, 32-Pin QFN PowerPAD™  
Package  
ORDERING INFORMATION  
TA  
PLASTIC QFN (RHB)  
–10°C to 100°C  
TPS51513RHB (32-pin)  
APPLICATIONS  
•
General IC VCORE Applications  
VREF  
C2  
V5FILT  
VREF  
R2  
C3  
EN  
PG PGOOD  
C5  
C1  
R3  
32 31 30 29 28 27 26 25  
R1  
1
2
3
4
5
6
7
8
GND  
PG 24  
PGOOD 23  
PGND 22  
V5IN 21  
CSP  
CSN  
CSNS  
CSP  
RT1  
CSN  
R4  
C4  
GNDFB  
VCCFB  
GSNS  
VSNS  
REF  
Q1  
R5  
TP51513RHB  
DRVL 20  
LL 19  
L1  
CSN  
R6  
C6  
IMON2  
IMON  
VBST 18  
DRVH 17  
VOUT  
VCCFB  
IMON  
+
Q2  
C7  
R7  
5 V  
COUT1  
VBAT  
9
10 11 12 13 14 15 16  
GNDFB  
C8  
CIN1  
GNDFB  
UDG-09085  
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
3
OSR, PowerPAD, D-CAP+ are trademarks of Texas Instruments.  
Mathcad is a registered trademark of Parametric Technology Corporation .  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
1234567...37

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