LTC3330
elecTrical characTerisTics The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 5V, BAT = 3.6V, SCAP = OV, LDO_IN = 0V unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
3.0
TYP
MAX
18
UNITS
l
l
V
V
Buck Input Voltage Range
Buck-Boost Input Voltage Range
V
V
IN
1.8
5.5
BAT
VIN
I
V Quiescent Current
IN
V
IN
Input in UVLO
V
IN
V
IN
V
IN
V
IN
= 2.5V, BAT = 0V
= 4V, BAT = 0V
= 18V, BAT = 0V
= 5V, BAT = 0V, I
450
1150
1650
150
700
1800
2500
250
nA
nA
nA
µA
Buck Enabled, Sleeping
Buck Enabled, Sleeping
Buck Enabled, Not Sleeping
= 0A (Note 4)
SW1
I
BAT Quiescent Current
BAT
BAT Input with V Active
BAT = 1.8V, V = 5V
10
1500
330
nA
nA
µA
IN
IN
Buck-Boost Enabled, Sleeping
BAT = 5V, V = 0V
900
200
IN
Buck-Boost Enabled, Not Sleeping
BAT = 5V, V = 0V, I
= I
SWB
= 0A
IN
SWA
(Note 4)
l
l
V
LDO_IN Input Range
1.8V
–2.0
5.5V
600
LDO_IN
I
I
LDO_IN Quiescent Current
LDO_OUT Leakage Current
LDO_IN = 5.0V, I
= 0A
400
125
nA
LDO_IN
LDO_OUT
LDO_IN = 5.0V, LDO_OUT = 5.0V
Error as a Percentage of Target
LDO_OUT = 1.2V, 10mA Load
LDO_IN = 5.0V, LDO_OUT = 3.3V
LDO_OUT = 3.3V, 10mA LOAD
LDO_IN = 5.0V
nA
LDO_OUT
LDO_OUT Regulated LDO Output Voltage
LDO Line Regulation (1.8V to 5.5V)
LDO Load Regulation (10µA to 10mA)
LDO Dropout Voltage
2.0
%
2
2
mV/V
mV/mA
mV
mA
nA
nA
mA
mA
%
V
90
LDO Current Limit
50
I
I
I
I
V
Leakage Current
V = 5.0V
OUT
125
165
VOUT
OUT
Supercapacitor Balancer Quiescent Current
Supercapacitor Balancer Source Current
Supercapacitor Balancer Sink Current
Supercapacitor Balance Point
SCAP = 5.0V
SCAP = 5.0V, BAL = 2.4V
SCAP = 5.0V, BAL = 2.6V
Percentage of SCAP Voltage
3V Level
250
SCAP
10
SOURCE
SINK
10
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
V
V
49
50
51
BAL
V
Undervoltage Lockout Thresholds
IN
2.85
3.80
4.75
5.70
6.65
7.60
8.55
9.50
10.4
11.4
12.3
13.3
14.2
15.2
16.1
17.1
19.0
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
20.0
3.15
4.20
5.25
6.30
7.35
8.40
9.45
10.5
11.6
12.6
13.7
14.7
15.8
16.8
17.9
18.9
21.0
INUVLO
(Rising or Falling)
4V Level
V
5V Level
V
6V Level
V
7V Level
V
8V Level
V
9V Level
V
10V Level
V
11V Level
V
12V Level
V
13V Level
V
14V Level
V
15V Level
V
16V Level
V
17V Level
V
18V Level
V
V
V
Shunt Regulator Voltage
I = 1mA
VIN
V
SHUNT
IN
3330p
3
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