LTC3586_15 Datasheet, PDF (8/36 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)
Battery Charge Current
vs Temperature
600
Battery Charger Float Voltage
vs Temperature
4.21
500
4.20
400
THERMAL REGULATION
300
4.19
200
100
R_PROG = 2k
10x MODE
0
–40 –20 0
20 40
60 80
TEMPERATURE (°C)
100 120
3586 G13
4.18
4.17
–40
–15
10
35
60
85
TEMPERATURE (°C)
3586 G14
Oscillator Frequency
vs Temperature
2.6
2.4
BAT = 3.6V
V_BUS = 5V
V_BUS = 0V
V_BUS Quiescent Current
vs Temperature
15
V_BUS = 5V
I_VOUT = 0µA
5x MODE
12
2.2
2.0
1.8
–40
BAT = 3V
V_BUS = 0V
BAT = 2.7V
V_BUS = 0V
–15
10
35
60
85
TEMPERATURE (°C)
3586 G16
9
1x MODE
6
3
–40 –15
10
35
60
85
TEMPERATURE (°C)
3586 G17
CHRG Pin Current vs Voltage
(Pull-Down State)
100 _{VBUS = 5V}
BAT = 3.8V
80
3.3V LDO Step Response
(5mA to 15mA)
I_LDO3V3
5mA/DIV
60
0mA
V_LDO3V3
40
20mV/DIV
AC COUPLED
20
BAT = 3.8V
20µs/DIV
0
0
1
2
3
4
5
CHRG PIN VOLTAGE (V)
3586 G19
3586 G20

Low-Battery (Instant On) Output
Voltage vs Temperature
3.68
BAT = 2.7V
I_VOUT = 100mA
5x MODE
3.66
3.64
3.62
3.60
–40
–15
10
35
60
85
TEMPERATURE (°C)
3586 G15
V_BUS Quiescent Current in
Suspend vs Temperature
70
I_VOUT = 0µA
60
50
40
30
–40
–15
10
35
60
85
TEMPERATURE (°C)
3586 G18
Battery Drain Current
vs Temperature
50 _{BAT = 3.8V}
V_BUS = 0V
ALL REGULATORS OFF
40
30
20
10
0
–40
–15
10
35
60
85
TEMPERATURE (°C)
3586 G21
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