LTC3335_15 Datasheet, PDF (11/28 Pages) Linear Technology – Nanopower Buck-Boost DC/DC with Integrated Coulomb Counter

LTC3335
Typical Performance Characteristics T_A = 25°C, BAT = PBAT = 3.6V, GNDA = GNDD =
PGND = 0V, V_OUT = PV_OUT = 3.3V, 100mA I_PEAK setting, unless otherwise noted.
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (250mA I_PEAK Setting)
5
4
V_OUT = 1.8V
V_OUT = 3.3V
3
V_OUT = 5V
2
1
0
–1
–2
–3
–4
–5
–6
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (150mA I_PEAK Setting)
5
4
V_OUT = 1.8V
V_OUT = 3.3V
3
V_OUT = 5V
2
1
0
–1
–2
–3
–4
–5
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (100mA I_PEAK Setting)
5
4
V_OUT = 1.8V
V_OUT = 3.3V
3
V_OUT = 5V
2
1
0
–1
–2
–3
–4
–5
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
3335 G37
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (50mA I_PEAK Setting)
4
V_OUT = 1.8V
V_OUT = 3.3V
2
V_OUT = 5V
0
3335 G38
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (25mA I_PEAK Setting)
5
V_OUT = 1.8V
V_OUT = 3.3V
V_OUT = 5V
0
3335 G39
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (15mA I_PEAK Setting)
5
V_OUT = 1.8V
V_OUT = 3.3V
0
V_OUT = 5V
–5
–2
–5
–10
–4
–15
–6
–10
–8
–20
–10
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
–15
1.8
3335 G40
Total Unadjusted Coulomb
Counter Error During Continuous
Switching (10mA I_PEAK Setting)
5
V_OUT = 1.8V
0
V_OUT = 3.3V
V_OUT = 5V
–5
2.8
3.8
BAT (V)
–25
4.8
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
3335 G41
3335 G42
Total Unadjusted Coulomb
Counter Error During Continuous
Switching(5mA I_PEAK Setting)
5
0
V_OUT = 1.8V
V_OUT = 3.3V
–5
V_OUT = 5V
–10
–10
–15
–20
–15
–25
–20
–30
–35
–25
–40
–30
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
3335 G43
–45
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
BAT (V)
3335 G44
3335p
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