LTC3586-1_15 Datasheet, PDF (7/36 Pages) Linear Technology – High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks

LTC3586/LTC3586-1
Typical Performance Characteristics (T_A = 25°C unless otherwise noted)
USB Limited Battery Charge
Current vs Battery Voltage
700
LTC3586
600
500
V_BUS = 5V
R_PROG = 1k
400
R_CLPROG = 3k
300
LTC3586-1
200
100
5x USB SETTING,
0 ^{BATTERY CHARGER SET FOR 1A}
2.7
3.0
3.3
3.6
3.9
4.2
BATTERY VOLTAGE (V)
3586 G04
PowerPath Switching Regulator
Efficiency vs Output Current
100 _{BAT = 3.8V}
1x MODE
90
5x, 10x MODE
80
70
60
50
40
0.01
0.1
OUTPUT CURRENT (A)
1
3586 G07
Output Voltage vs Output Current
in Suspend
5.0
4.5
4.0
3.5
3.0 _{VBUS = 5V}
BAT = 3.3V
R_CLPROG = 3.01k
2.5
0
0.1
0.2
0.3
0.4
0.5
OUTPUT CURRENT (mA)
3586 G10
USB Limited Battery Charge
Current vs Battery Voltage
150
LTC3586
125
100
75
LTC3586-1
50 _{VBUS = 5V}
R_PROG = 1k
25 ^RCLPROG ^{= 3k}
1x USB SETTING,
BATTERY CHARGER SET FOR 1A
0
2.7 3.0
3.3
3.6
3.9
4.2
BATTERY VOLTAGE (V)
3586 G05
Battery Charging Efficiency vs
Battery Voltage with No External
Load (P_BAT/P_BUS)
100
90 _{1x CHARGING EFFICIENCY}
5x CHARGING EFFICIENCY
80
70
60
2.7
LTC3586
R_CLPROG = 3.01k
R_PROG = 1K
I_VOUT = 0mA
3
3.3
3.5
3.9
4.2
BATTERY VOLTAGE (V)
3586 G08
V_BUS Current vs Output Current in
Suspend
0.5
V_BUS = 5V
BAT = 3.3V
0.4 ^{RCLPROG = 3.01k}
0.3
0.2
0.1
0
0
0.1
0.2
0.3
0.4
0.5
OUTPUT CURRENT (mA)
3586 G11
Battery Drain Current
vs Battery Voltage
25
I_VOUT = 0µA
20
V_BUS = 0V
15
10
V_BUS = 5V
5
(SUSPEND MODE, R_CLPROG = 3.01k)
0
2.7
3.0
3.3
3.6
3.9
4.2
BATTERY VOLTAGE (V)
3586 G06
V_BUS Current vs V_BUS Voltage
(Suspend)
45
40
35
30
25
20
15
10
5
0
0
1
2
3
4
5
V_BUS VOLTAGE (V)
3586 G09
3.3V LDO Output Voltage
vs Output Current, V_BUS = 0V
3.4
BAT = 3.9V, 4.2V
BAT = 3.5V
BAT = 3.4V
BAT = 3.6V
3.2
3.0
2.8 ^{BAT = 3V}
BAT = 3.1V
BAT = 3.2V
2.6
0
BAT = 3.3V
5
10
15
20
25
OUTPUT CURRENT (mA)
3586 G12
3586fb