LTC3586-2 LINER [Linear Technology], LTC3586-2 Datasheet - Page 10

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

LTC3586-2/LTC3586-3
TYPICAL PERFORMANCE CHARACTERISTICS
10
1.230
1.215
1.200
1.185
1.170
100
90
80
70
60
50
40
30
20
10
0
0.1
0.1
Switching Regulators 1, 2 Load
Regulation at V
Buck-Boost Regulator Efficiency
vs I
V
BUS
PULSE-SKIPPING
LOAD
V
V
V
IN3
IN3
IN3
= 3.8V
OPERATION
Burst Mode
MODE
CURVES
= 3V
= 3.6V
= 4.5V
1
1
OUTPUT CURRENT (mA)
OPERATION
Burst Mode
I
LOAD
13.0
12.0
11.0
14.0
13.5
12.5
11.5
OUT1, 2
TYPE 3 COMPENSATION
10
10
–55
(mA)
Buck-Boost Regulator Burst Mode
Operation Quiescent Current
–35
PWM MODE
= 1.2V
CURVES
V
V
V
V
–15
100
100
IN3
IN3
IN3
OUT3
= 3V
= 3.6V
= 4.5V
TEMPERATURE (°C)
5
= 3.3V
358623 G28
358623 G25
25
1000
1000
V
IN3
V
45
= 4.5V
IN3
0.20
0.10
0.30
0.25
0.15
0.05
= 3.6V
65
0
1.845
1.823
1.800
1.778
1.755
–55
V
R
IN1
PMOS V
PMOS V
85 105
DS(ON)
0.1
PMOS V
–35
= 3V
Switching Regulators 1, 2 Load
Regulation at V
PULSE-SKIPPING MODE
V
Burst Mode OPERATION
358623 G31
BUS
–15
IN3
IN3
NMOS V
NMOS V
For Buck-Boost Regulator
IN3
125
= 3.8V
NMOS V
= 3.6V
= 4.5V
TEMPERATURE (°C)
= 3V
5
1
OUTPUT CURRENT (mA)
IN3
IN3
25
IN3
= 3.6V
= 4.5V
= 3V
45
OUT1, 2
10
65
85 105
= 1.8V
100
358623 G29
300
250
200
150
100
50
0
2.7
358623 G26
125
Reduction in Current
Deliverability at Low V
(T
0.30
0.20
0.10
0.40
0.35
0.25
0.15
1000
A
= 25°C unless otherwise noted.)
3.1
3.5
2500
2400
2300
2600
2550
2450
2350
2.56
2.53
2.50
2.47
2.44
V
STEADY-STATE I
START-UP WITH A
RESISTIVE LOAD
START-UP WITH A
CURRENT SOURCE LOAD
0.1
–55
IN3
Buck-Boost Regulator Forward
Current Limit
V
TYPE 3 COMPENSATION
Switching Regulators 1, 2 Load
Regulation at V
PULSE-SKIPPING MODE
OUT3
3.9
Burst Mode OPERATION
V
(V)
BUS
–35
= 3.3V
= 3.8V
–15
4.3
IN3
V
V
V
1
OUTPUT CURRENT (mA)
IN3
IN3
IN3
TEMPERATURE (°C)
LOAD
= 3.6V
= 4.5V
5
= 3V
4.7
358623 G32
25
OUT1, 2
10
45
65
= 2.5V
100
85 105
358623 G27
358623 G30
358623f
1000
125