LTC3331_15 Datasheet, PDF (3/34 Pages) Linear Technology – Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Charger

LTC3331
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T_A = 25°C (Note 2). V_IN = 5V, BAT_IN = BAT_OUT = BB_IN = 3.6V,
SHIP = OV, SCAP = 0V unless otherwise specified.
SYMBOL
V_IN
V_{BB_IN}
I_VIN
I_{BB_IN}
I_VOUT
V_SHUNT
I_SHUNT
PARAMETER
CONDITIONS
Buck Input Voltage Range
Buck-Boost Input Voltage Range
(Note 7)
V_IN Quiescent Current
V_IN Input in UVLO
V_IN Input in UVLO
Buck Enabled, Sleeping
Buck Enabled, Sleeping
Buck Enabled, Not Sleeping
V_IN = 2.5V, V_{BB_IN} = 0V
V_IN = 16V, V_{BB_IN} = 0V
V_IN = 4V, V_{BB_IN} = 0V
V_IN = 18V, V_{BB_IN} = 0V
V_IN = 5V, V_{BB_IN} = 0V, I_SW = 0A (Note 4)
BB_IN Quiescent Current (Note 6)
BB_IN Input with V_IN Active
V_{BB_IN} = 3.6V, V_IN = 5V
Buck-Boost Enabled, Sleeping V_{BB_IN} = 3.6V, V_IN = 0V
Buck-Boost Enabled, Not Sleeping V_{BB_IN} = 3.6V, V_IN = 0V, I_SWA = I_SWB = 0A (Note 4)
V_OUT Leakage Current
5V Output Selected, Sleeping
V_IN Undervoltage Lockout Thresholds 3V Level Selected
(Rising or Falling)
4V Level Selected
5V Level Selected
6V Level Selected
7V Level Selected
8V Level Selected
9V Level Selected
10V Level Selected
11V Level Selected
12V Level Selected
13V Level Selected
14V Level Selected
15V Level Selected
16V Level Selected
17V Level Selected
18V Level Selected
V_IN Shunt Regulator Voltage
I_VIN = 1mA
Maximum Protective Shunt Current
Internal Bridge Rectifier Loss
(|V_AC1 – V_AC2| – V_IN)
Internal Bridge Rectifier Reverse
Leakage Current
I_BRIDGE = 10µA
I_BRIDGE = 50mA
V_REVERSE = 18V
Internal Bridge Rectifier Reverse
Breakdown Voltage
I_REVERSE = 1µA
MIN TYP MAX UNITS
l
19
V
l 1.8
5.5
V
450
700
nA
800 1400
nA
1300 2000
nA
1800 2700
nA
150
225
µA
200
300
nA
950 1500
nA
200
300
µA
100
150
nA
l 2.91 3.00 3.09
V
l 3.88 4.00 4.12
V
l 4.85 5.00 5.15
V
l 5.82 6.00 6.18
V
l 6.79 7.00 7.21
V
l 7.76 8.00 8.24
V
l 8.73 9.00 9.27
V
l 9.70 10.0 10.30
V
l 10.67 11.0 11.33
V
l 11.64 12.0 12.36
V
l 12.61 13.0 13.39
V
l 13.58 14.0 14.42
V
l 14.55 15.0 15.45
V
l 15.52 16.0 16.48
V
l 16.49 17.0 17.51
V
l 17.46 18.0 18.54
V
l 19.0 20.0 21.0
V
25
mA
700
800
900
mV
1350 1550 1750
mV
20
nA
V_SHUNT
30
V
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