LTC3586-2 LINER [Linear Technology], LTC3586-2 Datasheet - Page 7

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

TYPICAL PERFORMANCE CHARACTERISTICS
700
600
500
400
300
200
100
1.0
0.8
0.4
0.2
0.6
0
0
2.7
0
USB Limited Battery Charge
Current vs Battery Voltage
Ideal Diode V-I Characteristics
5x USB SETTING,
BATTERY CHARGER SET FOR 1A
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
0.04
3.0
FORWARD VOLTAGE (V)
BATTERY VOLTAGE (V)
LTC3586-2
0.08
3.3
100
90
80
60
40
70
50
V
R
R
0.01
BUS
PROG
CLPROG
PowerPath Switching Regulator
Efficiency vs Output Current
BAT = 3.8V
0.12
= 5V
INTERNAL IDEAL
DIODE ONLY
3.6
= 1k
= 3k
LTC3586-3
1x MODE
OUTPUT CURRENT (A)
0.16
V
V
3.9
BUS
BUS
358623 G04
358623 G01
= 0V
= 5V
0.1
0.20
4.2
5x, 10x MODE
0.25
0.20
0.10
0.05
0.15
150
125
100
75
50
25
0
0
2.7
2.7
358623 G07
USB Limited Battery Charge
Current vs Battery Voltage
Ideal Diode Resistance
vs Battery Voltage
1x USB SETTING,
BATTERY CHARGER SET FOR 1A
V
R
R
BUS
PROG
CLPROG
1
= 5V
3.0
3.0
= 1k
= 3k
INTERNAL IDEAL DIODE
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
BATTERY VOLTAGE (V)
BATTERY VOLTAGE (V)
LTC3586-2
EXTERNAL VISHAY
Si2333 PMOS
3.3
3.3
3.6
3.6
LTC3586-3
100
3.9
3.9
70
60
90
80
2.7
358623 G05
358623 G02
Battery Charging Efficiency vs
Battery Voltage with No External
Load (P
1x CHARGING EFFICIENCY
(T
LTC3586-2/LTC3586-3
A
4.2
4.2
5x CHARGING EFFICIENCY
= 25°C unless otherwise noted)
3
BAT
BATTERY VOLTAGE (V)
/P
4.50
4.25
3.50
4.00
3.75
3.25
BUS
3.3
25
20
10
15
5
0
2.7
)
0
Output Voltage vs Output Current
(Battery Charger Disabled)
Battery Drain Current
vs Battery Voltage
I
VOUT
BAT = 3.4V
3.5
BAT = 4V
(SUSPEND MODE, R
R
R
I
= 0µA
VOUT
200
3.0
CLPROG
PROG
OUTPUT CURRENT (mA)
BATTERY VOLTAGE (V)
= 0mA
= 1k
3.9
= 3.01k
400
3.3
358623 G08
V
BUS
4.2
= 5V
CLPROG
600
3.6
V
BUS
= 3.01k)
V
5x MODE
800
= 0V
3.9
BUS
358623 G03
358623 G06
= 5V
358623f
7
1000
4.2