MAX8809AETL+ Maxim Integrated Products, MAX8809AETL+ Datasheet
MAX8809AETL+
Specifications of MAX8809AETL+
Related parts for MAX8809AETL+
MAX8809AETL+ Summary of contents
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... Thin QFN Packages Desktop PCs Servers, Workstations Desknote and LCD PCs Voltage-Regulator Modules PART MAX8809AETL+ MAX8810AETM+ +Denotes lead-free package. Note: All parts are specified in the -40°C to +85°C extended temperature range. Pin Configurations appear at end of data sheet. ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ABSOLUTE MAXIMUM RATINGS REF, COMP, SS/OVP, OSC, NTC, VRTSET, RS+, RS-, PWM_ to GND.......................-0. CS_+, CS_-, VID_, BUF, EN, ILIM, SEL, VRREADY, VRHOT GND ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS (continued 6.5V 5V, V VL_ BST_ CC EN 5kΩ pullup to 5V 12kΩ to GND, R ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS (continued 6.5V 5V, V VL_ BST_ CC EN 5kΩ pullup to 5V 12kΩ to GND, R ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS (continued 6.5V 5V, V VL_ BST_ CC EN 5kΩ pullup to 5V 12kΩ to GND, R ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS ( 6.5V 5V, V VL_ BST_ CC EN 5kΩ pullup to 5V 12kΩ SS/OVP NTC ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS (continued 6.5V 5V, V VL_ BST_ CC EN 5kΩ pullup to 5V 12kΩ SS/OVP ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS (continued 6.5V 5V, V VL_ BST_ CC EN 5kΩ pullup to 5V 12kΩ SS/OVP ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (Circuit of Figure 14 12V OUT unless otherwise noted.) EFFICIENCY vs. LOAD CURRENT R = 130kΩ OSC 100 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (Circuit of Figure 14 12V 1.35V OUT unless otherwise noted.) SOFT-START WAVEFORMS (AMD VRREADY V OUT VEN 1ms/div SHUTDOWN WAVEFORMS ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (Circuit of Figure 14 12V OUT unless otherwise noted.) BUF VOLTAGE vs. AMBIENT TEMPERATURE 1.10 1.05 1.00 0.95 0.90 -40 - ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (Circuit of Figure 14 12V 1.35V OUT unless otherwise noted.) VL_ POWER DISSIPATION vs. LOAD CAPACITANCE 400 350 300 250 200 150 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (Circuit of Figure 14 12V OUT unless otherwise noted.) BST_ AND VL_ WAVEFORMS VL_ BST_ LX_ 500ns/div PIN NAME MAX8809A ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers PIN NAME MAX8809A MAX8810A 9 11 OSC 10 12 SS/OVP 11 13 VRTSET 12 14 NTC 13 — CS3 CS3 CS2 CS12- ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers PIN NAME MAX8809A MAX8810A 23 27 BST1 24 28 DL1 25 29 PGND1 26 — VL12 27 32 PGND2 28 33 DL2 29 34 BST2 30 35 LX2 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers PIN NAME MAX8809A MAX8810A — 4 BUF — 7, 10, 37, 47 N.C. — 15 CS4+ — 16 CS34- — 22 PWM4 — 30 VL1 — 31 VL2 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers CS1+ CS12- CS2+ CS3- (MAX8809A) CS3+ CS34- (MAX8810A) CS4+ (MAX8810A) 1V REF BUF + (MAX8810A COMP - VRREADY CURRENT FOLDBACK OVP COMPARATOR SOFT-START SS/OVP SOFT-STOP REF ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers t fDL Figure 2. Driver Timing Diagram Detailed Description The MAX8809A/MAX8810A synchronous, 2-/3-/4- phase, step-down, current-mode controllers with inte- grated dual-phase MOSFET drivers provide flexible ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Voltage Reference (REF) A precision 2V reference is provided by the MAX8809A/ MAX8810A at the REF output. REF is capable of sinking and sourcing up to 500µA for ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers in a constant output current limit over the entire opera- tional temperature range. This eliminates the need to oversize MOSFETs and inductors to compensate for thermal effects. Connecting ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers The DC gain of the voltage-error amplifier is equal From the previous equations it is clear MV COMP that the output-voltage droop can ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers MAX8809A REF COMP Figure 8. Programming the Output Offset Voltage Load-Line Independent Inductor DC Resistance Temperature Compensation Changes in inductor ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers When the driver supply voltage (V UVLO threshold (3.55V typ), DH_ and DL_ are held low above the UVLO threshold and while EN is low, ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers SOFT-START RATE SET BY R OUT 6.25mV/STEP VRREADY EN 2ms TD1 Figure 10. K8 Rev F Startup Sequencing and Timing Table 2. AMD Startup Sequence Specifications M IN ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers low. Once V is above the UVLO threshold and EN is VL_ low, DL_ is kept high and DH_ is kept low. This pre- vents the output from ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 4. AMD K8 Rev F VID Code, SEL = UNCONNECTED VID5 VID4 VID3 VID2 VID1 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 5. Extended Intel VRD10 VID Code, SEL = GND VID6 VID5 VID4 VID3 VID2 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 5. Extended Intel VRD10 VID Code, SEL = GND (continued) VID6 VID5 VID4 VID3 VID2 VID1 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 6. Intel VRD11 VID Code, SEL = V VID7 VID6 VID5 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 6. Intel VRD11 VID Code, SEL = V VID7 VID6 VID5 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 6. Intel VRD11 VID Code, SEL = V VID7 VID6 VID5 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 6. Intel VRD11 VID Code, SEL = V VID7 VID6 VID5 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 6. Intel VRD11 VID Code, SEL = V VID7 VID6 VID5 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers where f is given in MHz and R OSC see the Per-Phase Frequency vs. R Typical Operating Characteristics for the relationship between the clock frequency and the value ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Use the maximum input voltage for calculating the duty cycle to obtain the worst-case RMS ripple current. R and R are the on-state resistances DSON_LS DSON_HS of the ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers where M is the number of MOSFETs in parallel per LS phase on the low side. Total power dissipation for the low side equals the number of phases ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers This simplified transfer function ignores a double pole due to the current-mode sampling effect, which can be approximately placed at 1/2 the per-phase switching frequency rule-of-thumb, ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers where g is the transconductance of the error amplifi and capacitor placed from the output of COMP the error amplifier (COMP) to GND. ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Applications Information PC Board Layout Guidelines A properly designed PC board layout is important in any switching DC-DC converter circuit. Mount the MOSFETs, inductors, input/output capacitors, and cur- ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Figure 13. Intel VRD11 Desktop Application Circuit Using the MAX8809A—3-Phase, 85A 40 ______________________________________________________________________________________ ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 8. Bill of Materials for Intel VRD11 3-Phase Desktop Application Circuit (Figure 13) COMPONENTS C1–C4 1500µF, 16V aluminum electrolytic capacitors C5, C6, C7 10µF, 16V X5R ceramic ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Figure 14. Intel VRD11 Desktop Application Circuit Using the MAX8810A—4-Phase, 115A 42 ______________________________________________________________________________________ ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 9. Bill of Materials for Intel VRD11 4-Phase Desktop Application Circuit (Figure 14) COMPONENTS C1–C4 C5–C8 C9, C17, C18, C25 C10, C12, C13, C22, C29 C11, C15, ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Figure 15. AMD K8 Rev F Desktop Application Circuit Using the MAX8810A—4-Phase, 115A 44 ______________________________________________________________________________________ ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 10. Bill of Materials for AMD K8 Rev F Desktop Application Circuit (Figure 15) COMPONENTS C1–C4 C5–C8 C9, C17, C18, C25 C10, C12, C13, C22, C29 C11, ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers Table 11. Suggested Component Suppliers COMPONENT SUPPLIER BI Technologies Falco International Rectifier Kemet Murata Pulse Panasonic Sanyo Taiyo Yuden TDK TOP VIEW ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information 47 ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 48 ______________________________________________________________________________________ Package Information (continued) ...
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM Controllers with Integrated Dual MOSFET Drivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information (continued) 49 ...
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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. 50 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2006 Maxim Integrated Products Cardenas - 80% ...