MAX8760ETL+T Maxim Integrated Products, MAX8760ETL+T Datasheet
MAX8760ETL+T
Specifications of MAX8760ETL+T
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MAX8760ETL+T Summary of contents
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... VID AMD Mobile Turion 64 CPU Multiphase CPU Core Supply Voltage-Positioned Step-Down Converters Servers/Desktop Computers Quick-PWM is a trademark of Maxim Integrated Products, Inc. Turion is a trademark of AMD. ________________________________________________________________ Maxim Integrated Products For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ABSOLUTE MAXIMUM RATINGS V+ to GND ..............................................................-0.3V to +30V V to GND ..............................................................-0. PGND............................................................-0.3V to +6V DD SKIP, SUS, D0–D5 to GND.......................................-0.3V to ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 15V SUS = GNDS = D0–D5 = GND 0°C to +85°C, unless otherwise ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 15V SUS = GNDS = D0–D5 = GND 0°C to +85°C, unless ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 15V SUS = GNDS = D0–D5 = GND 0°C to +85°C, unless otherwise ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 15V SUS = GNDS = D0–D5 = GND 0°C to +85°C, unless ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 15V SUS = GNDS = D0–D5 = GND -40°C to +100°C, unless otherwise ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 15V SUS = GNDS = D0–D5 = GND -40°C to +100°C, unless ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies (Circuit of Figure 12V (SUS = V ), OFS = GND +25°C, unless otherwise specified OUTPUT ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies (Circuit of Figure 12V (SUS = V ), OFS = GND +25°C, unless otherwise specified OUTPUT ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies (Circuit of Figure 12V (SUS = V ), OFS = GND +25°C, unless otherwise specified POWER-UP ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies (Circuit of Figure 12V (SUS = V ), OFS = GND +25°C, unless otherwise specified SUSPEND ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies (Circuit of Figure 12V (SUS = V ), OFS = GND +25°C, unless otherwise specified 100mV ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies PIN NAME Slew-Rate Adjustment Pin. Connect a resistor from TIME to GND to set the internal slew-rate clock TIME 150kΩ to 15kΩ resistor sets the clock ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies PIN NAME Current Balance Compensation. Connect a 470pF capacitor between CCI and FB. See the Current 14 CCI Balance Compensation section. Feedback Input internally connected to ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies PIN NAME S econd ar y Low - ate ver O utp ut ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Table 1. Component Selection for Standard Multiphase Applications DESIGNATION Input Voltage Range VID Output Voltage (D5–D0) Suspend Voltage (SUS, S0, S1) Maximum Load Current Number of Phases (η ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies R13 10Ω R12 100kΩ C2 1µF POWER GOOD DAC INPUTS SUSPEND INPUTS (FOUR-LEVEL LOGIC) ON OFF R TIME 30.1kΩ REF (300kHz) C REF 0.22µ 100kΩ 49.9kΩ ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies SHDN VID (D0–D5) SOFT-START 1 LSB PER 4 R CYCLES TIME V CORE VROK Figure 2. Power-Up and Shutdown Sequence Timing Diagram Table 2. Component Suppliers MANUFACTURER BI ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Table 3. Operating Mode Truth Table SHDN SKIP SUS GND GND GND REF V GND x CC REF ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies SEL SUS 2.5V 1.0V Figure 3. Internal Multiplexers Functional Diagram The slew-rate controller transitions the output voltage in 12.5mV steps ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies SUS V DAC t t SLEW BLANK TIME CLOCK VROK VROK BLANKING Figure 4. Suspend Transition Fault Protection Output Overvoltage Protection The OVP circuit is designed to protect ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Table 4. Output Voltage ID DAC Codes (SUS = GND ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Table 5. Suspend Mode DAC Codes LOWER SUSPEND CODES SUS S1 S0 HIGH GND GND HIGH GND REF HIGH GND OPEN HIGH GND V CC HIGH REF GND ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies CSN CSP ILIM 19R R CMP CMN V CC REF REF (2.0V) SHDN GND CCV Gm 1. OFS FB OAIN+ ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies On-Time One-Shot (TON) The core of each phase contains a fast, low-jitter, adjustable one-shot that sets the high-side MOSFETs on-time. The one-shot for the main phase varies the ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Without active current-balance circuitry, the current matching between phases depends on the MOSFET’s on-resistance (R ), thermal ballasting, on-/off-time DS(ON) matching, and inductance matching. For example, vari- ation ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Together, the feedback-sense resistor (R GNDS input sum the remote-sense voltages with the feedback signals that set the voltage-positioned output, enabling true differential remote sense of the processor ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Low-Power Pulse Skipping During pulse-skipping override mode (SKIP = REF or GND, Table 7), the multiphase Quick-PWM controllers use an automatic pulse-skipping control scheme. When SKIP is pulled ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Since only the valley current is actively limited, the actu- al peak current is greater than the current-limit thresh- old by an amount equal to the inductor ripple ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Power-on reset (POR) occurs when V approximately 2V, resetting the fault latch, activating boot mode, and preparing the PWM for operation. V undervoltage lockout (UVLO) circuitry inhibits switch- ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Transient Response The inductor ripple current impacts transient-response performance, especially at low V IN Low inductor values allow the inductor current to slew faster, replenishing charge removed from ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Output Capacitor Stability Considerations For Quick-PWM controllers, stability is determined by the value of the ESR zero relative to the switching fre- quency. The boundary of instability is ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies cuit longevity. Power MOSFET Selection Most of the following MOSFET guidelines focus on the challenge of obtaining high load-current capability when using high-voltage (>20V) AC adapters. Low-cur- rent ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies capacitors work well for low-power applications driving medium-sized MOSFETs. However, high-current appli- cations driving large, high-side, MOSFETs require boost capacitors larger than 0.1µF. For these applica- tions, select ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies MAX8760 ERROR COMPARATOR Figure 10. Voltage-Positioning Gain increased load, and must always be greater than approaches 1, the absolute minimum dropout point, the inductor current ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies Applications Information PC Board Layout Guidelines Careful PC board layout is critical to achieve low switching losses and clean, stable operation. The switching power stage requires particular attention ...
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Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies KELVIN SENSE VIAS UNDER THE SENSE RESISTOR (REFER TO EVALUATION KIT) MAIN PHASE INDUCTOR PLACE CONTROLLER ON BACK SIDE WHEN POSSIBLE, USING THE GROUND PLANE TO SHIELD THE ...
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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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 39 © 2005 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc ...