LTC3586-2 LINER [Linear Technology], LTC3586-2 Datasheet - Page 9

• Manufacturer Part Number: LTC3586-2
• Description: High Efficiency USB Power Manager
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
20mV/DIV
COUPLED
5mA/DIV
V
I
LDO3V3
LDO3V3
0mA
15
12
AC-
9
6
3
–40
V
vs Temperature
V
I
BUS
VOUT
BAT = 3.8V
3.3V LDO Step Response
(5mA to 15mA)
BUS
= 5V
Quiescent Current
= 0µA
–15
TEMPERATURE (°C)
1x MODE
10
100
20µs/DIV
20
10
90
80
70
60
50
40
30
0
5x MODE
1
Switching Regulators 1, 2
Pulse-Skipping Mode Efficiency
35
V
OUT1, 2
60
OUTPUT CURRENT (mA)
= 2.5V
10
358623 G17
358623 G20
85
V
OUT1, 2
V
OUT1, 2
100
= 1.8V
50
40
20
10
30
= 1.2V
V
0
–40
IN1, 2
70
50
40
30
60
Battery Drain Current
vs Temperature
–40
BAT = 3.8V
V
ALL REGULATORS OFF
V
Suspend vs Temperature
BUS
I
= 3.8V
BUS
VOUT
358623 G23
= 0V
–15
1000
Quiescent Current in
= 0µA
–15
TEMPERATURE (°C)
TEMPERATURE (°C)
10
10
35
35
60
100
60
90
80
70
60
50
40
30
20
10
358623 G21
0
0.1
358623 G18
Switching Regulators 1, 2
Burst Mode Efficiency
(T
LTC3586-2/LTC3586-3
85
A
85
= 25°C unless otherwise noted)
325
300
250
225
200
275
1
OUTPUT CURRENT (mA)
–40
V
V
Switching Regulators 1, 2 Pulse-
Skipping Mode Quiescent Currents
OUT1, 2
OUT1, 2
V
100
IN1, 2
80
40
20
60
0
0
CHRG Pin Current vs Voltage
(Pull-Down State)
V
10
= 2.5V
–15
V
BAT = 3.8V
OUT1, 2
= 1.8V
= 3.8V
(CONSTANT FREQUENCY)
BUS
= 5V
TEMPERATURE (°C)
= 1.2V
1
V
10
100
CHRG PIN VOLTAGE (V)
IN1, 2
V
OUT1, 2
= 3.8V
358623 G24
2
V
(PULSE SKIPPING)
OUT1, 2
35
= 2.5V
1000
3
= 1.25V
60
358623 G22
4
85
358623 G19
1.95
1.90
1.80
1.75
1.70
358623f
1.85
9
5