(V
CHGIN
= 5.0V, V
BAT
= 3.7V, T
A
= -40°C to +85°C, all registers in their default state, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LDO2
(C = 1μF, unless otherwise noted. Typical values are at V
L2IN
= 3.7V, with I
L2OUT
= 10mA, V
L2OUT
= 3V.)
Input Voltage
V
INLDO2
LDO mode
1.71
5.5
V
Switch mode
1.2
5.5
V
Quiescent Supply
Current
I
Q_LDO2
I
L2OUT
= 0µA
1
5.1
µA
I
L2OUT
= 0µA, Switch mode
0.5
Quiescent Supply
Current in Dropout
I
QDO_LDO2
I
L2OUT
= 0µA, V
L2IN
= 2.9V,
LDO2VSet = 3V.
1.8
µA
Shutdown Supply
Current with Active
Discharge Enabled
I
SD_LDO2
LDO2 disabled. LDO2ActDSC=1.
54
µA
Maximum Output
Current
I
L2OUT_MAX
V
L2IN
≥ 2.7V
100
mA
V
L2IN
= 1.8V or lower
50
mA
Output Voltage
V
L2OUT
0.9
4
V
Output Accuracy
ACC
LDO2
V
L2IN
= (V
L2OUT
+ 0.5V) or higher,
I
L2OUT
= 100µA
-2.7
+2.7
%
Dropout Voltage
V
DROP_LDO2
V
L2IN
= 3V, I
L2OUT_
= 100mA
,
LDO2VSet = 3V
100
mV
Line Regulation Error
V
LINEREG_LDO2
V
L2IN
= (V
L2OUT
+ 0.5V) to 5.5V
-0.4
+0.05
+0.4
%/V
Load Regulation Error
V
LOADREG_LDO2
I
L2OUT
= 100µA to 100mA
0.001
0.005
%/mA
Line Transient
V
LINETRAN_LDO2
V
L2IN
= 4V to 5V, 200ns rise time
±35
mV
V
L2IN
= 4V to 5V, 1µs rise time
±25
mV
Load Transient
V
LOADTRAN_LDO2
I
L2OUT
= 0mA to 10mA, 200ns
rise time
100
mV
I
L2OUT
= 0mA to 100mA, 200ns
rise time
200
mV
Passive Discharge
Resistance
R
PD_LDO2
5
10
16
KΩ
Active Discharge Current
I
ADL_LDO2
V
L2IN
= 3.7V
7
20
37
mA
Switch Mode
Resistance
R
ON_LDO2
V
L2IN
= 2.7V, I
L2OUT
= 100mA
0.46
0.76
Ω
V
L2IN
= 1.8V, I
L2OUT
= 50mA
0.7
1.15
V
L2IN
= 1.2V, I
L2OUT
= 5mA
1.7
2.6
Turn-On Time
t
ON_LDO2
I
L2OUT
= 0mA, time from 10% to
90% of final value
1.5
3.7
ms
I
L2OUT
= 0mA, time from 10% to
90% of final value, Switch mode
0.25
0.65
MAX20335
PMIC with Ultra-Low I
Q
Voltage Regulators and
Battery Chargers for Small Lithium Ion Systems
www.maximintegrated.com
Maxim Integrated
│
12
Electrical Characteristics (continued)