SLWSTK6000A Datasheet, PDF (16/80 Pages) Silicon Laboratories – ConfidentialMighty Gecko Wireless SoC EFR32MG1X232

EFR32MG1X232 Data Sheet
Electrical Characteristics
4.4 DC-DC Converter
Confidential ^{Test conditions: LDCDC=4.7 µH, CDCDC=1.0 µF, VDCDC_I=3.3 V, VDCDC_O=1.8 V, IDCDC_LOAD=50 mA, Heavy Drive configuration,}
F_{DCDC_LN}=8 MHz, unless otherwise indicated.
Table 4.3. DC-DC Converter
Parameter
Input voltage range
Symbol
V_{DCDC_I}
Output voltage range
Steady-state output ripple
V_{DCDC_O}
V_R
Output voltage under/over- V_OV
shoot
DC line regulation
DC load regulation
Quiescent current
V_REG
I_REG
I_{DCDC_Q}
Max load current
I_{LOAD_MAX}
Capacitance of DCDC output C_DCDC
capacitor
Inductance of DCDC output L_DCDC
inductor
Resistance in Bypass mode R_BYP
Peak current limit range
I_IPK
Test Condition
Bypass mode
Low noise (LN) or low power (LP)
mode, 1.8 V output, 200 mA load
current
1.8V configuration
ESR=50 Ω, ESL=2 nH on 1 µF fil-
ter cap. Radio disabled
ESR=50 Ω, ESL=2 nH on 1 µF fil-
ter cap. Radio enabled
CCM Mode (LNFORCECCM¹ =
1), Load changes between 0 mA
and 100 mA
DCM Mode (LNFORCECCM¹ =
0), Load changes between 0 mA
and 10 mA
Input changes between 3.8 V and
2.4 V
Load changes between 0 mA and
100 mA in CCM mode
Low power (LP) mode, lowest
bias setting (LPCMPBIAS¹ =
BIAS0)
Low noise (LN) mode, DCM con-
figuration (LNFORCECCM¹ = 0)
Low noise (LN) mode, CCM con-
figuration (LNFORCECCM¹ = 1)
Low noise (LN) mode
Low power (LP) mode
Min
TBD
2.4
1.8
-
-
-
-
-
-
-
-
-
-
-
1
-
-
20
Typ
-
-
-
3
TBD
100
150
0.1
0.1
50
0.3
0.8
-
4.7
0.8
-
Max
Unit
3.8
V
3.8
V
-
V
-
mVpp
-
mVpp
-
mV
-
mV
-
%
-
%
-
nA
-
mA
-
mA
200
mA
10
mA
10
µF
-
µH
-
Ω
640
mA
Peak current limit step
I_{PK_STEP}
Light drive²
-
20
-
mA
Medium Drive²
-
40
-
mA
Heavy Drive²
-
80
-
mA
Switching frequency
F_LN
Low noise (LN) mode
3
8
MHz
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