
REV. 0
ADP3502
–3–
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
BASEBAND AVDD MAIN-LDO (LDO2a)
Output Voltage
V
LDO2a
16 Steps, 20 mV/Step, I
O
= 50 mA
Code: 1000
Code: 0111
T
A
= 25
°
C
I
O
= 50 mA, T
A
= 25
°
C
16 Steps, 20 mV/Step, I
O
= 50 mA
Code: 1000
Code: 0111
T
A
= –30
°
C to +85
°
C
I
O
= 50 mA, T
A
= –30
°
C to +85
°
C
2.30
2.60
2.36
2.66
2.43
2.74
V
V
Output Default Voltage
Output Voltage
V
LDO2a
V
LDO2a
2.46
2.52
2.6
V
2.29
2.57
2.36
2.66
2.47
2.81
V
V
Output Default Voltage
Output Capacitor Required for Stability
Dropout Voltage
Ripple Rejection
Output Noise Voltage
Start-Up Time from Shutdown
V
LDO2a
C
LDO2a
V
DO
2.42
1
2.52
2.66
V
μ
F
mV
dB
μ
V rms
μ
s
I
O
= 50 mA
f = 1 kHz
f = 100 Hz to 100 kHz
210
60
120
250
V
NOISE
BASEBAND AVDD SUB-LDO (LDO2b)
Output Voltage
V
LDO2b
I
O
= 300
μ
A, V
LDO2MAIN
= 2.6 V
T
A
= –30
°
C to +85
°
C
2.50
2.57
2.70
V
REFO SWITCH
On Resistance
Off Leak
R
ON
I
LEAK
T
A
= –30
°
C to +85
°
C, I
O
= 500
μ
A
LDO2: ON, Switch: OFF
50
0.01
130
1
μ
A
COIN CELL MAIN-LDO (LDO3a)
Output Voltage
V
LDO3a
I
O
= 1 mA to 50 mA
T
A
= –30
°
C to +85
°
C
I
O
= 50 mA
2.90
3.0
3.09
V
Dropout Voltage
Output Capacitor Required for Stability
Start-Up Time from Shutdown
V
DO
C
LDO3a
140
mV
μ
F
μ
s
1
250
COIN CELL
SUB-LDO (LDO3b)
Output Voltage
V
LDO3b
I
O
= 1 mA
T
A
= –30
°
C to +85
°
C
2.85
2.97
3.15
V
AUDIO LDO (LDO4)
Output Voltage
V
LDO4
I
O
= 1 mA to 180 mA
T
A
= –30
°
C to +85
°
C
2.81
2.9
2.99
V
Output Capacitor Required for Stability
Dropout Voltage
Ripple Rejection
Output Noise Voltage
Start-Up Time from Shutdown
C
LDO4
V
DO
2.2
μ
F
mV
dB
μ
V rms
μ
s
I
O
= 180 mA
f = 1 kHz
f = 100 Hz to 10 kHz
200
60
50
250
V
NOISE
VIBRATOR LDO (LDO5)
Output Voltage
V
LDO5
I
O
= 1 mA to 150 mA
T
A
= –30
°
C to +85
°
C
I
O
= 150 mA
2.75
2.9
3.05
V
Dropout Voltage
Output Capacitor Required for Stability
V
DO
C
LDO5
200
mV
μ
F
2.2
BASEBAND CORE MAIN-LDO (LDO6a)
Output Voltage
V
LDO6a
I
O
= 1 mA to 150 mA
T
A
= –30
°
C to +85
°
C
2.75
2.85
2.95
V
Output Capacitor Required for Stability
Dropout Voltage
Start-Up Time from Shutdown
C
LDO6a
V
DO
2.2
μ
F
mV
μ
s
I
O
= 150 mA
200
250