CC2420 Datasheet, PDF (13/92 Pages) List of Unclassifed Manufacturers – 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver

6.8 Voltage Regulator
Parameter
General
Min.
Typ.
Input Voltage
Output Voltage
Quiescent current
2.1
3.0
1.7
1.8
13
20
Start-up time
0.3
Max. Unit
3.6
V
1.9
V
29
µA
0.6
ms
CC2420
Condition / Note
Note that the internal voltage
regulator can only supply
CC2420 and no external circuitry.
On the VREG_IN pin
On the VREG_OUT pin
No current drawn from the
VREG_OUT pin. Min and max
numbers include 2.1 through 3.6
V input voltage
6.9 Battery Monitor
Parameter
Current consumption
Start-up time
Settling time
Step size
Hysteresis
Absolute accuracy
Relative accuracy
Min.
6
Typ.
30
Max. Unit
90
µA
100
µs
2
µs
50
mV
10
mV
-80
80
mV
-50
50
mV
Condition / Note
When enabled
Voltage regulator already enabled
New toggle voltage programmed
May be software calibrated for
known reference voltage
6.10 Power Supply
Parameter
Current consumption in different
modes (see Figure 25, page 44)
Voltage regulator off (OFF)
Power Down mode (PD)
Idle mode (IDLE)
Min.
Current Consumption,
receive mode
Typ.
0.02
20
426
18.8
Max. Unit
1
µA
µA
µA
mA
Condition / Note
Current drawn from VREG_IN,
through voltage regulator
Voltage regulator off
Voltage regulator on
Including crystal oscillator and
voltage regulator
SWRS041B
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