ADP3212MNR2G ON Semiconductor, ADP3212MNR2G Datasheet
ADP3212MNR2G
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ADP3212MNR2G Summary of contents
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ADP3212, NCP3218, NCP3218G 7-Bit, Programmable, 3-Phase, Mobile CPU Synchronous Buck Controller The APD3212/NCP3218/NCP3218G is a highly efficient, multi−phase, synchronous buck switching regulator controller. With its integrated drivers, the APD3212/NCP3218/NCP3218G is optimized for converting the notebook battery voltage into the core ...
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PIN ASSIGNMENT EN 1 PWRGD IMON CLKEN FBRTN ADP3212 FB NCP3218 COMP (top view) TRDET VARFREQ VRTT TTSNS GND GND VCC EN RPM RT RAMP UVLO TRDET Shutdown TRDET Generator and Bias COMP VEA FB − ...
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ABSOLUTE MAXIMUM RATINGS Parameter CC1 CC2 FBRTN, PGND1, PGND2 BST1, BST2, DRVH1, DRVH2 DC t < 200 ns BST1 BST2 < 200 ns BST1 to ...
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PIN ASSIGNMENT Pin No. Mnemonic 11 TTSNS Thermal Throttling Sense and Crowbar Disable Input. A resistor divider where the upper resistor is connected to VCC, the lower resistor (NTC thermistor) is connected to GND, and the center point is connected ...
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ELECTRICAL CHARACTERISTICS 5.0 V, FBRTN = PGND = GND = 5 VARFREQ = H, DPRSLP = L, PSI = 1. ...
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ELECTRICAL CHARACTERISTICS 5.0 V, FBRTN = PGND = GND = 5 VARFREQ = H, DPRSLP = L, PSI = 1. ...
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ELECTRICAL CHARACTERISTICS 5.0 V, FBRTN = PGND = GND = 5 VARFREQ = H, DPRSLP = L, PSI = 1. ...
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ELECTRICAL CHARACTERISTICS 5.0 V, FBRTN = PGND = GND = 5 VARFREQ = H, DPRSLP = L, PSI = 1. ...
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ELECTRICAL CHARACTERISTICS 5.0 V, FBRTN = PGND = GND = 5 VARFREQ = H, DPRSLP = L, PSI = 1. ...
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V EN PWRGD 1 kW Figure 3. Closed−Loop Output Voltage Accuracy ADP3212 5.0 V VCC 37 CSCOMP 20 100 CSSUM 19 − CSREF GND Figure 4. ...
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TYPICAL PERFORMANCE CHARACTERISTICS VID 400 350 VARFREQ = 0 V 300 250 VARFREQ = 5 V 200 150 100 50 0 0.25 0.50 0.75 1.00 VID OUTPUT VOLTAGE (V) Figure 6. Switching Frequency vs. VID ...
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TYPICAL PERFORMANCE CHARACTERISTICS VID SW1 1 SW2 2 SW3 3 DPRSLP V/div 3: 10 V/div 4 ms/div 4: 2 V/div 2: 10 V/div Figure 11. DPRSLP Transition with PSI = High 1 ...
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Theory of Operation The APD3212/NCP3218/NCP3218G combines multi−mode Pulse−Width Modulated (PWM) control and Ramp−Pulse Modulated (RPM) control with multi−phase logic outputs for use in single−, dual−phase, or triple−phase synchronous buck CPU core supply power converters. The internal 7−bit VID DAC conforms ...
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Table 2. PHASE NUMBER AND OPERATION MODES VID Transition (Note 2) PSI No. DPRSLP * * Yes Don’t Care. 2. VID transient ...
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RAMP Clock Oscillator + C R − − 0 RAMP Clock Oscillator + C − R − 0 ...
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RPM pin voltage threshold level determined by the VID voltage and the external resistor RPM resistor, an internal ramp signal is started and DRVH1 is driven high. The slew rate of the internal ramp is programmed by the ...
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To increase the current in any given phase, users should make RSWFB for that phase larger (that is, RSWFB = 100 W for the hottest phase and do not change it during balance optimization). Increasing RSWFB to 150 W makes ...
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When a VID input changes, the APD3212/NCP3218/ NCP3218G detects the change but ignores new code for a minimum of 400 ns. This delay is required to prevent the device from reacting to digital signal skew while the 7−bit VID input ...
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Inductor Current Switch Node Voltage Figure 26. Inductor Current and Switch Node in DCM 4 OUTPUT VOLTAGE 20 mV/DIV SWITCH NODE 5 V/DIV 2 INDUCTOR CURRENT 5 A/DIV 3 1 LOW−SIDE GATE ...
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APD3212/NCP3218/NCP3218G shuts off. In shutdown mode, the controller holds the PWM outputs low, shorts the capacitors of the SS and PGDELAY pins to ground, and drives the DRVH and DRVL outputs low. The user must adhere to proper power−supply sequencing ...
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Table 3. VID CODE TABLE (continued) VID6 VID5 VID4 ...
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Table 3. VID CODE TABLE (continued) VID6 VID5 VID4 ...
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J7 CON2 R20 C11 DNP C14 R19 1 2 C33 C34 C35 10 mF C12 1 2 ...
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Application Information The design parameters for a typical IMVP−6.5−compliant CPU core VR application are as follows: • Maximum input voltage ( INMAX • Minimum input voltage ( 8.0 V INMIN • Output voltage by ...
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A. The inductor should not saturate at the peak current of 24.5 A, and it should be able to handle the sum of the power dissipation caused by the winding’s average current (20 A) ...
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The following procedure and expressions yield values for and R (the thermistor value at 25°C) for a CS1 CS2 TH given R value Select an NTC to be used based on its type and ...
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To meet the conditions of these expressions and the transient response, the ESR of the bulk capacitor bank (R should be less than two times the droop resistance greater than C , the system does not meet ...
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The most effective way to reduce switching loss is to use lower gate capacitance devices. The conduction loss of the main MOSFET is given by the following equation C(MF) 12 ...
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Since the IMON pin is connected directly to the CPU clamped to prevent it from going above 1.15 V. The IMON pin current is equal to the R gain ...
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The compensation values can be calculated as follows ...
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V VCC 37 ADP3212 R R TTSET1 TTSNS 11 − VRTT + R TH1 Figure 34. Multiple−Point Thermal Monitoring The number of hot spots monitored is not limited. The alarm temperature of each hot spot can ...
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VTT tool is in use). Set the Initial Transient 1. With the dynamic load set at its maximum step ...
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... When a power−dissipating component (for example, a power MOSFET) is soldered to a PCB, ORDERING INFORMATION Device Number* Temperature Range ADP3212MNR2G −40°C to 100°C NCP3218MNR2G −40°C to 100°C NCP3218GMNR2G −40°C to 100°C †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. *The “ ...
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... SEATING C PLANE SOLDERING FOOTPRINT 48X 0. 0.05 C NOTE 3 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 34 MILLIMETERS MIN MAX A 0.80 1.00 0.00 0.05 0.20 REF b 0.20 ...
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... A B 0.05 C NOTE 3 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81− ...