MYXPM6021 Datasheet, PDF (34/113 Pages) Micross Components – Tin-lead ball metallurgy

9.6.1.1 Electrical Characteristics VCC
Table 12: Electrical Parameters for BUCK_VCC
Parameter
Test Conditions
VCC_IN Input Voltage
Cin at VCC_IN
Cout
ESR of output capacitor
ESL of output capacitor
L_BUCK inductor value
L_R inductor DC resistance
VCC Output Voltage
IOUT= Imax
VCC Output Accuracy
F_BUCK Frequency of operation
Tablet
Transient load current profile
Transient droop¹
Transient overshoot²
Ton Turn on time
1000-8000mA
25-7000mA
1000-8000mA
25-7000mA
8000-1000mA
7000-25mA
Toff Turn off time
Vout down to 0.5V
Rpd Discharge impedance
0.5V down to 0V
IQ_ON Quiescent Current in On Mode
No load
Normal Mode – Synchronous rectification (PWM)
Maximum Output Current (Imax)
ILIMIT Current limitation
Cycle by cycle
Boot up voltage for V_CC V_BOOT
Efficiency at VSYS = 3.7V & Tamb=60°C
with proposed external components and
PCB layout
Typical BOM
environment
Sleep Mode – Pulse skipping (PSK)
Efficiency at VSYS = 3.7V & Tamb=60°C
MYXPM6021*
*Advanced information. Subject to change without notice.
Min
Typ
Max
Unit
2.7
4.5
V
4 x 4.7
μF
6 x 47
μF
6 @ 47μF
mΩ
1.6 @ 3MHz
nH
-20%
4x0.47
+20%
μH
48
mΩ
0.50
1.2
V
See chapter 9.5.6
3
MHz
200
ns
200
ns
40
mV
40
mV
2
ms
20
μs
20
Ω
200
μA
8000
mA
1.3*Imax
mA
1.1
V
See Figure 9
See Figure 9
MYXPM6021*
Revision 1.1 - 10/21/14
34
Form #: CSI-D-685 Document 011