MAX17000EVKIT+ Maxim Integrated Products, MAX17000EVKIT+ Datasheet
MAX17000EVKIT+
Specifications of MAX17000EVKIT+
Related parts for MAX17000EVKIT+
MAX17000EVKIT+ Summary of contents
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... Applications Notebook Computers DDR, DDR2, and DDR3 Memory Supplies SSTL Memory Supplies Quick-PWM is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Power-Management Solution ...
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Complete DDR2 and DDR3 Memory Power-Management Solution ABSOLUTE MAXIMUM RATINGS TON to PGND1 .......................................................-0.3V to +28V V to PGND1..........................................................-0. ............................................................-0.3V to +0. OVP to AGND ...........................................................-0.3V to +6V SHDN, STDBY, SKIP to ...
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Complete DDR2 and DDR3 Memory ELECTRICAL CHARACTERISTICS (continued 12V SHDN REFIN Typical values are +25°C.) (Note 1) A PARAMETER SYMBOL Minimum Off-Time t OFF(MIN) Quiescent ...
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Complete DDR2 and DDR3 Memory Power-Management Solution ELECTRICAL CHARACTERISTICS (continued 12V SHDN REFIN Typical values are +25°C.) (Note 1) A PARAMETER SYMBOL REFERENCE BUFFER (VTTR) ...
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Complete DDR2 and DDR3 Memory ELECTRICAL CHARACTERISTICS (continued 12V SHDN REFIN Typical values are +25°C.) (Note 1) A PARAMETER SYMBOL CURRENT LIMIT Valley Current-Limit Threshold ...
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Complete DDR2 and DDR3 Memory Power-Management Solution ELECTRICAL CHARACTERISTICS (V = 12V SHDN REFIN (Note 1) PARAMETER SYMBOL PWM CONTROLLER Input Voltage Range V CC Output Voltage Accuracy V On-Time ...
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Complete DDR2 and DDR3 Memory ELECTRICAL CHARACTERISTICS (continued 12V SHDN REFIN (Note 1) PARAMETER SYMBOL REFERENCE BUFFER (VTTR) VTTR Output Accuracy (Adj) VTTR Output Accuracy (Preset) FAULT DETECTION ...
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Complete DDR2 and DDR3 Memory Power-Management Solution (MAX17000 Circuit of Figure 12V SMPS 1.8V EFFICIENCY vs. LOAD CURRENT 100 STANDBY MODE PWM MODE SKIP MODE ...
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Complete DDR2 and DDR3 Memory (MAX17000 Circuit of Figure 12V STARTUP WAVEFORM (HEAVY LOAD) MAX17000 toc09 SHDN VDDQ VTT VTTR PGOOD1 200µs/div SHDN : 5V/div PGOOD1 : 2V/div R = 0.25Ω LOAD ...
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Complete DDR2 and DDR3 Memory Power-Management Solution (MAX17000 Circuit of Figure 12V OUTPUT OVERLOAD WAVEFORM MAX17000 toc15 DL VDDQ VTT VTTR PGOOD2 PGOOD1 I LX 400µs/div DL : 5V/div PGOOD2 : 2V/div VDDQ : 1V/div ...
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Complete DDR2 and DDR3 Memory (MAX17000 Circuit of Figure 12V VTT LOAD-TRANSIENT RESPONSE (SOURCE) I BETWEEN 10mA AND 1.5A VTT I VTT VTT_ac VDDQ = 1.8V 20µs/div I : 1A/div VTT VTT : 20mV/div VTT ...
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Complete DDR2 and DDR3 Memory Power-Management Solution PIN NAME OVP Mode Control. This input selectively enables/disables the SMPS OV protection feature and output discharge mode. When enabled, the SMPS OV protection feature is enabled. Connect OVP to 1 OVP the ...
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Complete DDR2 and DDR3 Memory PIN NAME Switching Frequency Setting Input. An external resistor between the input power source and this pin sets the switching frequency per phase according to the following equation TON SW TON ...
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Complete DDR2 and DDR3 Memory Power-Management Solution Standard Application Circuits The MAX17000 standard application circuit (Figure 1) generates the VDDQ, VTT, and VTTR rails for DDR, Table 1. Component Selection for Standard Applications V COMPONENT (2x) 10µF, 25V Input Capacitor ...
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Complete DDR2 and DDR3 Memory Table 3. Operating Mode Truth Table SHDN STDBY SKIP SMPS output ramps up in skip mode with a 1.4ms (typ) ramp time. PGOOD1 is held low until the SMPS output is in regulation ...
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Complete DDR2 and DDR3 Memory Power-Management Solution + 100kΩ 100kΩ 19 +5V C VDD 1µF R1 10Ω PGND VCC 1µF 21 AGND SLP_S3# 24 ON/OFF Figure 1. MAX17000 Standard ...
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Complete DDR2 and DDR3 Memory TON ON-TIME COMPUTE CSL RUN STDBY ERROR AMP SMPS RUN 1.2V SMPS FAULT DETECTION OVF OVP VTT FAULT 10ms RUN TIMER POWER-GOOD1 PGOOD1 OVF VTT FAULT POWER-GOOD2 PGOOD2 1.4ms SMPS FAULT V - 0.3V DD ...
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Complete DDR2 and DDR3 Memory Power-Management Solution +5V Bias Supply (V The MAX17000 requires an external 5V bias supply in addition to the battery. Typically, this 5V bias supply is the notebook’s 95% efficient 5V system supply. Keeping the bias ...
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Complete DDR2 and DDR3 Memory The MAX17000 always uses skip mode during startup, regardless of the SKIP and STDBY setting. The SKIP and STDBY controls take effect after soft-start is done. See Figure 3. Forced-PWM Mode ( SKIP = V ...
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Complete DDR2 and DDR3 Memory Power-Management Solution Valley Current-Limit Protection The MAX17000 uses the same valley current-limit pro- tection employed on all Maxim Quick-PWM controllers. If the current exceeds the valley current-limit threshold, the PWM controller is not allowed to ...
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Complete DDR2 and DDR3 Memory SHDN STDBY INT_REF REFOK SMPS_RUNOK 1.4ms SMPS OUTPUT VTT OUTPUT VTTR OUTPUT VTT CURRENT LIMIT 160µs PGOOD1 PGOOD2 SKIP DL VTT 16Ω FET CSL 16Ω FET Figure 6. MAX17000 Startup/Shutdown Timing when OVP Is Enabled ...
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Complete DDR2 and DDR3 Memory Power-Management Solution Table 4. Fault Protection and Shutdown Setting Truth Table OVP MODE DL immediately pulled low. Shutdown VTTR tracks the SMPS output during soft-shutdown. CSL and VTT (SHDN = low) are high impedance at ...
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Complete DDR2 and DDR3 Memory Table 4. Fault Protection and Shutdown Setting Truth Table (continued) OVP MODE Thermal fault General Shutdown V UVLO CC and Fault rising edge Conditions V POR CC rising edge V POR CC falling edge SMPS ...
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Complete DDR2 and DDR3 Memory Power-Management Solution stresses and thus drives the selection of input capacitors, MOSFETs, and other critical heat-con- tributing components. Most notebook loads gener- ally exhibit LOAD LOAD(MAX) • Switching Frequency: This choice determines ...
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Complete DDR2 and DDR3 Memory MAX17000 DL N PGND1 CSH CSL B) LOSSLESS INDUCTOR SENSING Figure 7b. Current-Sense Configurations (Sheet For the best current-sense accuracy and overcurrent protection, use a 1% tolerance current-sense resistor ...
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Complete DDR2 and DDR3 Memory Power-Management Solution The maximum ESR to meet ripple requirements is: ⎡ × × ≤ ⎢ ESR − × ⎢ ⎣ IN OUT OUT where ...
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Complete DDR2 and DDR3 Memory For most applications, nontantalum chemistries (ceramic, aluminum, or OS-CON) are preferred due to their resis- tance to inrush surge currents typical of systems with a mechanical switch or connector in series with the input. If ...
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... PGND1 CSH MAX17000 CSL FB Figure 8. Setting V OUT with a Resistive Voltage-Divider Dual Mode is a trademark of Maxim Integrated Products, Inc. 28 ______________________________________________________________________________________ The value of the VTTI bypass capacitor is chosen to limit the amount of ripple/noise at VTTI, and the amount of voltage dip during a load transient. Typically, VTTI is connected to the output of the buck regulator, which already has a large bulk capacitor ...
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Complete DDR2 and DDR3 Memory Since the gain bandwidth is also determined by the transconductance of the output FETs, which increases with load current, the output capacitor might need to be greater than 20µF if the load current exceeds 1.5A, ...
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Complete DDR2 and DDR3 Memory Power-Management Solution Applications Information PCB Layout Guidelines Careful PCB layout is critical to achieve low switching losses and clean, stable operation. The switching power stage requires particular attention. If possible, mount all the power components ...
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Complete DDR2 and DDR3 Memory KELVIN SENSE VIAS UNDER THE INDUCTOR (SEE EVALUATION KIT) CSL CSH C EQ KELVIN-SENSE VIAS TO INDUCTOR PAD INDUCTOR DCR SENSING CONNECT THE EXPOSED PAD TO ANALOG GROUND VTTI BYPASS CAPACITOR Figure 9. PCB Layout ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 32 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2011 Maxim Integrated Products ...