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MAX17582

更新时间： 2024-11-15 11:18:19
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
42页 745K
描述
Dual-Phase, Quick-PWM Controller for IMVP-6.5 CPU Core Power Supplies

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MAX17582 数据手册

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19-4821; Rev 0; 7/09  
Dual-Phase, Quick-PWM Controller for  
IMVP-6.5 CPU Core Power Supplies  
MAX17582  
General Description  
Features  
o Single-/Dual-Phase, Quick-PWM Controller  
o ±±8m m Accuracy Over Line, Load, and  
The MAX17582 is a 2-/1-phase-interleaved Quick-  
PWM™ step-down VID power-supply controller for  
notebook CPUs. True out-of-phase operation reduces  
input-ripple-current requirements and output-voltage  
ripple, while easing component selection and layout dif-  
ficulties. The Quick-PWM control provides instanta-  
neous response to fast load-current steps. Active  
voltage positioning reduces power dissipation and bulk  
output capacitance requirements and allows ideal posi-  
tioning compensation for tantalum, polymer, or ceramic  
bulk output capacitors.  
OUT  
Te8perature  
o 7-Bit 0 to 1.50m mID Control  
o Dyna8ic Phase Selection Opti8izes Active/Sleep  
Efficiency  
o Transient Phase Overlap Reduces Output  
Capacitance  
o Integrated Boost Switches  
o Active moltage Positioning with Adjustable Gain  
o Progra88able 200kHz to ±00kHz Switching  
A slew-rate controller allows controlled transitions among  
VID codes, controlled soft-start and shutdown, and con-  
trolled exit from suspend. A thermistor-based temperature  
sensor provides a programmable thermal-fault output  
(VRHOT). A current-monitor output (IMON) provides an  
analog current output proportional to the power consumed  
by the CPU. The MAX17582 includes output undervolt-  
age and thermal protection. When any of these protec-  
tion features detect a fault, the controller shuts down. A  
voltage-regulator power-OK (PWRGD) output indicates  
the output is in regulation. Additionally, the MAX17582  
features true differential current sense and a phase-good  
(PHASEGD) output that indicates a phase imbalance  
fault condition.  
Frequency  
o Accurate Current Balance and Current Li8it  
o Adjustable Slew-Rate Control  
o Power-Good, Clock Enable, and Ther8al-Fault  
Outputs  
o Phase Current I8balance Fault Output  
o Drives Large Synchronous Rectifier MOSFETs  
o 4m to 26m Battery Input-moltage Range  
o Undervoltage and Ther8al-Fault Protection  
o IMmP-6.5 Power Sequencing and Ti8ing  
Co8pliant  
o Soft-Startup and Soft-Shutdown  
The MAX17582 implements the Intel IMVP-6.5 VID code  
set. The MAX17582 is available in a 6mm x 6mm,  
48-pin TQFN package.  
Pin Configuration  
Applications  
TOP VIEW  
IMVP-6.5 Core Supply  
35 34 33 32 31 30 29 28 27  
36  
26  
25  
Multiphase CPU Core Supply  
Voltage-Positioned, Step-Down Converters  
Notebook/Desktop Computers  
Blade Servers  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
N.C. 37  
N.C.  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
SLOW  
D0  
PHASEGD  
PWRGD  
CLKEN  
V3P3  
D1  
D2  
D3  
TON  
Ordering Information  
MAX17582  
D4  
PSI  
PART  
TEMP RANGE  
PIN-PACKAGE  
D5  
DPRSLPVR  
SHDN  
CSP2  
MAX17582GTM+  
-40°C to +105°C  
48 TQFN-EP*  
D6  
CSP1  
GND  
CSN1  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
*EP  
GND  
+
GND  
CSN2  
2
3
4
5
6
7
8
9
10  
1
11  
12  
THIN QFN  
(688 x 688)  
Quick-PWM is a trademark of Maxim Integrated Products, Inc.  
*EXPOSED PAD. CONNECTED TO GND.  
________________________________________________________________ Maxi8 Integrated Products  
1
For pricing, delivery, and ordering infor8ation, please contact Maxi8 Direct at 1-±±±-629-4642,  
or visit Maxi8’s website at www.8axi8-ic.co8.  
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