
4.1.3 DC-DC Converter
Test conditions: V_DCDC_I=3.3 V, V_DCDC_O=1.8 V, I_DCDC_LOAD=50 mA, Heavy Drive configuration, F_DCDC_LN=7 MHz, un-
less otherwise indicated.
Table 4.3. DC-DC Converter
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input voltage range
V
DCDC_I
Bypass mode, I
DCDC_LOAD
= 50
mA
1.8
—
V
VREGVDD_
MAX
V
Low noise (LN) mode, 1.8 V out-
put, I
DCDC_LOAD
= 100 mA, or
Low power (LP) mode, 1.8 V out-
put, I
DCDC_LOAD
= 10 mA
2.4
—
V
VREGVDD_
MAX
V
Output voltage programma-
ble range
V
DCDC_O
1.8
—
V
VREGVDD
V
Regulation DC accuracy
ACC
DC
Low Noise (LN) mode, 1.8 V tar-
get output
1.7
—
1.9
V
Regulation window
WIN
REG
Low Power (LP) mode,
LPCMPBIASEMxx
= 0, 1.8 V tar-
get output, I
DCDC_LOAD
≤ 75 µA
1.63
—
2.2
V
Low Power (LP) mode,
LPCMPBIASEMxx
= 3, 1.8 V tar-
get output, I
DCDC_LOAD
≤ 10 mA
1.63
—
2.1
V
Steady-state output ripple
V
R
Radio disabled
—
3
—
mVpp
Output voltage under/over-
shoot
V
OV
CCM Mode (LNFORCECCM
1), Load changes between 0 mA
and 100 mA
—
25
60
mV
DCM Mode (LNFORCECCM
0), Load changes between 0 mA
and 10 mA
—
45
90
mV
Overshoot during LP to LN
CCM/DCM mode transitions com-
pared to DC level in LN mode
—
200
—
mV
Undershoot during BYP/LP to LN
CCM (LNFORCECCM
= 1) mode
transitions compared to DC level
in LN mode
—
40
—
mV
Undershoot during BYP/LP to LN
DCM (LNFORCECCM
= 0) mode
transitions compared to DC level
in LN mode
—
100
—
mV
DC line regulation
V
REG
Input changes between
V
VREGVDD_MAX
and 2.4 V
—
0.1
—
%
DC load regulation
I
REG
Load changes between 0 mA and
100 mA in CCM mode
—
0.1
—
%
MGM13S Mighty Gecko SiP Module Data Sheet
Electrical Specifications
silabs.com
| Building a more connected world.
Rev. 1.0 | 20