CC2420ZRTC Datasheet, PDF (13/96 Pages) Texas Instruments – 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver

CC2420
6.8 Voltage Regulator
Parameter
General
Min.
Typ.
Input Voltage
2.1
3.0
Max. Unit
3.6
V
Condition / Note
Note that the internal voltage
regulator can only supply
CC2420 and no external circuitry.
On the VREG_IN pin
Output Voltage
1.7
1.8
1.9
V
On the VREG_OUT pin
Quiescent current
Start-up time
13
20
29
A
No current drawn from the
VREG_OUT pin. Min and max
numbers include 2.1 through 3.6
V input voltage
0.3
0.6
ms
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
A
Condition / Note
When enabled
100
s
2
s
Voltage regulator already
enabled
New toggle voltage programmed
50
mV
10
mV
-80
80
mV
May be software calibrated for
known reference voltage
-50
50
mV
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.
Max. Unit
0.02
1
A
20
A
426
A
18.8
mA
SWRS041c
Condition / Note
Current drawn from VREG_IN,
through voltage regulator
Voltage regulator off
Voltage regulator on
Including crystal oscillator and
voltage regulator
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