ADC 6021 Specifiche Scaricare il pdf (Pagina 36)

MYXPM6021*

Revision 1.1 - 10/21/14

*Advanced information. Subject to change without notice.

MYXPM6021*

Form #: CSI-D-685 Document 011

9.6.2.2 Electrical Characteristics VNN

Table 13: Electrical Parameters for BUCK_VNN

Parameter Test Conditions Min Typ Max Unit

VCC_IN Input Voltage 2.7 4.5 V

Cin at VCC_IN 4 x 4.7 μF

Cout 6 x 22 μF

ESR of output capacitor 6 @ 22μF mΩ

ESL of output capacitor 1.6 @ 3MHz nH

L_BUCK inductor value -20% 4x0.47 +20% μH

L_DCR inductor DC resistance 48 mΩ

VNN Output Voltage IOUT= Imax 0.50 1.2 V

VNN Output Accuracy See chapter 9.5.6

F_BUCK Frequency of operation Tablet 3 MHz

Transient load current prole 2900-5600mA

50-2750mA

200

Transient droop

2900-5600mA

50-2750mA

40 mV

Transient overshoot

5600-2900mA

2750-50mA

40 mV

Ton Turn on time 2 ms

Toff Turn off time Vout .. 0.5V 20 μs

Rpd Discharge impedance 0.5V ..0V 20 Ω

IQ_ON Quiescent Current in On Mode No load 200 μA

Normal Mode – Synchronous rectication (PWM)

Maximum Output Current (Imax) 8000 mA

ILIMIT Current limitation Cycle by cycle 1.3*Imax mA

Boot up voltage for V

BOOT

1.1 V

Efciency at VSYS = 3.7V & Tamb=60°C

with proposed external components and

PCB layout

See Figure 11

Sleep Mode – Pulse skipping (PSK)

Efciency at VSYS = 3.7V & Tamb=60°C

with proposed external components and

PCB layout

See Figure 11

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 112 113

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