ADC 6021 Specifiche Scaricare il pdf (Pagina 51)

MYXPM6021*

Revision 1.1 - 10/21/14

*Advanced information. Subject to change without notice.

MYXPM6021*

Form #: CSI-D-685 Document 011

9.6.6.2 VDDQ Subsystems

V1P2S:

ThisvoltagerailisusedtosupplymainlytheMIPinterface.Incaseof1.24VDDR3memorytheinputvoltageofthispower

domainisVDDQanditactsasapowerswitch.ForallothertypesofDDR3memoriestheinputvoltageisV1P8Aand

V1P2SisgeneratedviaasmallLDO.

Table 23: V1P2S Power Switch Specication

Description Value [max, mΩ]

Input power path board resistance 20

Output power path board resistance 20

Input, output rails wirebond & internal FET RDS-ON 620

Table 24: Electrical Parameter for V1P2S LDO

Symbol Parameter Min Typ Max Unit Notes / Condition

Input Requirement

Vin Main input voltage 1.80 V Supplied by V1P8A

Cin V1P2S_IN 100 nF

Output Requirement

Vnom Nominal output voltage 1.2 V

Vtol Output voltage tolerance -2% +2%

Cout Output capacity 2.2 μF

Iout-DC Output load current 1 50 mA

IQSC Quiescent current

(operational)

10 μA Iout-DC = 0mA

IQSC Quiescent current

(sleep)

2 μA Iout-DC = 0mA

PSRR Power supply rejection ratio 50 dB Noise = 0.1Vpp, 1-

10kHz, ½ Iout-DC

Vnoise Output Noise 50 100 μVRMS 10-100kHz, ½ Iout-DC

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ADC 6021 Specifiche Pagina 51