
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, unless 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
1.85
—
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
Low noise (LN) mode, 1.8 V out-
put, I
DCDC_LOAD
= 200 mA
2.6
—
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 target
output
1.7
—
1.9
V
Regulation Window
WIN
REG
Low power (LP) mode,
LPCMPBIAS
= 0, 1.8 V target
output, I
DCDC_LOAD
≤ 75 μA
1.63
—
2.2
V
Low power (LP) mode,
LPCMPBIAS
= 3, 1.8 V target
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
—
—
150
mV
DCM Mode (LNFORCECCM
0), Load changes between 0 mA
and 10 mA
—
—
150
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
—
50
—
mV
Undershoot during BYP/LP to LN
DCM (LNFORCECCM
= 0) mode
transitions compared to DC level
in LN mode
—
125
—
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
—
%
BGM11S Blue Gecko
Bluetooth
®
SiP Module Data Sheet
Electrical Specifications
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