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DA6021 Datasheet(PDF) 99 Page - Renesas Technology Corp |
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DA6021 Datasheet(HTML) 99 Page - Renesas Technology Corp |
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99 / 225 page  DA6021 HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR Company Confidential Data Sheet Version 3.A - Final 31-Jan-14 © 2014 Dialog Semiconductor GmbH 99 of 224 www.dialog-semiconductor.com S0ix State: When the SoC enters the S0ix state, SLP_S0ix is held low. DA6021 turns the VDDQ buck regulator into low power mode and disables all un-necessary blocks, reducing the power requirements. DA6021 exits this power saving mode within 5µs after the SoC asserts the SLP_S0ix signal to high. DA6021 is capable to support up to 200mA in this state. S3 State: In S3 state the average current of VDDQ is expected to be ~30mA which the regulator provides in power saving mode. 11.6.6.2 Electrical Characteristics VDDQ PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Val VDDQ_VIN Input Voltage 2.7 4.5 V - Cin at VDDQ_IN 2 x 4.7 µF - Cout 3 x 47 or 6 x 22 µF - ESR of output capacitor 6 @ 22/47µF mΩ - ESL of output capacitor 1.6 @ 3MHz nH - L_BUCK inductor value -20% 2 x 0.47 +20% μH - L_DCR inductor resistance 48 48 mΩ - V1P0A Output Voltage IOUT= Imax 1.24/1.35 2% V A F_BUCK Frequency of operation 3 MHz A Transient load profile 35-2085mA 200 ns - Transient droop 16 35-2085mA 50 mV E Transient overshoot 17 2085-35mA 50 mV E Ton Turn on time 2 ms E Rpd Discharge impedance VDDQ .. 0V 20 Ω A IQ_ON Quiescent Current in On Mode 100 50 µA E Normal Mode – Synchronous rectification (PWM) Maximum Output Current (Imax) 2800 mA D ILIMIT Current limitation Cycle by cycle 1.3*Imax mA A* Efficiency at VSYS = 3.7V & Tamb=60°C with proposed external components and PCB layout See Figure 39 D,E ,A* 18 Sleep Mode – Pulse skipping (PSK) Efficiency at VSYS = 3.7V & Tamb=60°C with proposed external components and PCB layout See Figure 39 D,E ,A* Table 56: Electrical Parameter for BUCK_VDDQ 16 Including DC accuracy, ripple and load regulation 17 Including DC accuracy, ripple and load regulation 18 RDSON measurement on ATE |
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