LTC4065 LINER [Linear Technology], LTC4065 Datasheet - Page 5

• Manufacturer Part Number: LTC4065
• Description: High Efficiency Battery Charger/USB Power Manager
• Manufacturer: LINER [Linear Technology]

Typical perForMance characTerisTics
700
600
500
400
300
100
100
200
1.0
0.8
0.4
0.2
0.6
90
80
60
40
70
50
0
0
0.01
2.7
0
Ideal Diode V-I Characteristics
USB Limited Battery Charge
Current vs Battery Voltage
PowerPath Switching Regulator
Efficiency vs Output Current
5x USB SETTING,
BATTERY CHARGER SET FOR 1A
V
BAT
= 3.8V
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
0.04
3.0
FORWARD VOLTAGE (V)
BATTERY VOLTAGE (V)
1x MODE
OUTPUT CURRENT (A)
V
R
R
BUS
PROG
CLPROG
0.08
3.3
= 5V
0.1
= 1k
= 2.94k
0.12
3.6
INTERNAL IDEAL
DIODE ONLY
5x, 10x MODE
0.16
V
V
3.9
BUS
BUS
4088 G04
= 0V
= 5V
4088 G07
4088 G01
0.20
4.2
1
0.25
0.20
0.05
0.15
0.10
150
125
100
90
88
84
82
80
75
50
25
86
0
0
2.7
2.7
2.7
Ideal Diode Resistance
vs Battery Voltage
USB Limited Battery Charge
Current vs Battery Voltage
Battery Charging Efficiency vs
Battery Voltage with No External
Load (P
R
R
I
1x USB SETTING,
BATTERY CHARGER SET FOR 1A
OUT
CLPROG
PROG
INTERNAL IDEAL
= 0mA
5x CHARGING
3.0
3.0
3.0
= 1k
EFFICIENCY
BAT
= 2.94k
DIODE
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
BATTERY VOLTAGE (V)
BATTERY VOLTAGE (V)
BATTERY VOLTAGE (V)
EXTERNAL VISHAY
/P
V
R
R
Si2333 PMOS
BUS
PROG
CLPROG
3.3
3.3
3.3
BUS
= 5V
1x CHARGING
EFFICIENCY
= 1k
)
= 2.94k
3.6
3.6
3.6
3.9
3.9
3.9
T
4088 G02
4088 G08
4088 G05
A
= 25°C, unless otherwise noted.
4.2
4.2
4.2
4.50
4.25
3.75
3.50
3.25
4.00
50
40
20
10
25
20
15
10
30
5
0
0
2.7
0
1
Battery Drain Current
vs Battery Voltage
Output Voltage vs Output Current
(Battery Charger Disabled)
V
(Suspend)
I
I
OUT
OUT
BUS
V
V
BAT
BAT
= 0mA
= 0µA
200
Current vs V
3.0
= 3.4V
2
= 4V
OUTPUT CURRENT (mA)
BATTERY VOLTAGE (V)
V
(SUSPEND MODE)
BUS
400
3.3
3
V
VOLTAGE (V)
BUS
LTC4088
BUS
= 5V
600
3.6
4
Voltage
V
BUS
V
5x MODE
800
= 0V
3.9
BUS
5
= 5V
4088 G03
4088 G06
4088 G09
4088fb
5
1000
4.2
6