LTC3330_15 Datasheet, PDF (4/32 Pages) Linear Technology – Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender

LTC3330
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 = 3.6V, SCAP = OV, LDO_IN = 0V unless
otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_OUT
Regulated Buck/Buck-Boost Output Voltage
1.8V Output Selected
Sleep Threshold
Wake-Up Threshold
l
1.806 1.872
V
l 1.728 1.794
V
2.5V Output Selected
Sleep Threshold
Wake-Up Threshold
l
2.508 2.575
V
l 2.425 2.492
V
2.8V Output Selected
Sleep Threshold
Wake-Up Threshold
l
2.809 2.884
V
l 2.716 2.791
V
3.0V Output Selected
Sleep Threshold
Wake-Up Threshold
l
3.010 3.090
V
l 2.910 2.990
V
3.3V Output Selected
Sleep Threshold
Wake-Up Threshold
l
3.311 3.400
V
l 3.200 3.289
V
3.6V Output Selected
Sleep Threshold
Wake-Up Threshold
l
3.612 3.708
V
l 3.492 3.588
V
4.5V Output Selected
Sleep Threshold
Wake-Up Threshold
l
4.515 4.635
V
l 4.365 4.485
V
5.0V Output Selected
Sleep Threshold
Wake-Up Threshold
l
5.017 5.150
V
l 4.850 4.983
V
PGVOUT Falling Threshold
I_{PEAK_BUCK}
I_BUCK
I_{PEAK_BB}
Buck Peak Switch Current
Available Buck Output Current
Buck-Boost Peak Switch Current
As a Percentage of V_OUT Target (Note 5) l 88
92
96
%
200
250
350
mA
100
mA
250mA Target Selected
200
250
350
mA
150mA Target Selected
120
150
210
mA
100mA Target Selected
80
100
140
mA
50mA Target Selected
40
50
70
mA
25mA Target Selected
20
25
35
mA
15mA Target Selected
12
15
21
mA
10mA Target Selected
8
10
14
mA
5mA Target Selected
4
5
7
mA
I_BB
Available Buck-Boost Current
R_{P_BUCK}
R_{N_BUCK}
R_{P_BB}
Buck PMOS Switch On-Resistance
Buck NMOS Switch On-Resistance
Buck-Boost PMOS Input and Output Switch
On-Resistance
I_{PEAK_BB} = 250mA, BAT = 1.8V,
V_OUT = 3.3V
IPK[2:0] = 111
IPK[2:0] = 110
IPK[2:0] = 101
IPK[2:0] = 100
IPK[2:0] = 011
IPK[2:0] = 010
IPK[2:0] = 001
IPK[2:0] = 000
50
mA
1.4
Ω
1.2
Ω
0.7
Ω
0.9
Ω
1.2
Ω
2.1
Ω
3.9
Ω
6.3
Ω
9.2
Ω
17.7
Ω
3330fb
4
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