Datasheet

LTC4098-3.6
5
409836f
TYPICAL PERFORMANCE CHARACTERISTICS
FORWARD VOLTAGE (V)
0
DIODE CURRENT (A)
0.6
0.8
1.0
0.16
409836 G01
0.4
0.2
0
0.04
0.08
0.12
0.20
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
INTERNAL IDEAL
DIODE ONLY
BATTERY VOLTAGE (V)
2.7
DIODE RESISTANCE (Ω)
0.15
0.20
0.25
3.9
409836 G02
0.10
0.05
0
3.0
3.3
3.6
4.2
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
INTERNAL IDEAL
DIODE
BATTERY VOLTAGE (V)
2.7
750
409836 G03
700
650
3.0 3.3 3.6
600
550
LOAD CURRENT (mA)
V
BUS
= 5V
R
CLPROG
= 3.01k
5x USB SETTING
Ideal Diode V-I Characteristics
Ideal Diode Resistance
vs Battery Voltage
V
OUT
Voltage vs V
OUT
Current
(Battery Charger Disabled)
USB Compliant Load Current
Available Before Discharging Battery
T
A
= 25°C, unless otherwise noted.
OUTPUT CURRENT (mA)
0
OUTPUT VOLTAGE (V)
4.00
4.25
800
409836 G04
3.75
3.50
3.25
3.00
200
400
600
BAT = 3.6V
BAT = 3.3V
V
BUS
= 5V
5x USB SETTING
BATTERY VOLTAGE (V)
2.7
150
409836 G07
140
130
3.0 3.3 3.6
120
110
LOAD CURRENT (mA)
V
BUS
= 5V
R
CLPROG
= 3.01k
1x USB SETTING
USB Compliant Load Current
Available Before Discharging Battery
2.7
500
600
700
409836 G08
400
300
3.0 3.3 3.6
200
100
0
CHARGE CURRENT (mA)
V
BUS
= 5V
R
PROG
= 1k
R
CLPROG
= 3.01k
5x USB SETTING
BATTERY VOLTAGE (V)
2.7
100
120
140
409836 G09
80
60
3.0 3.3 3.6
40
20
0
CHARGE CURRENT (mA)
V
BUS
= 5V
R
PROG
= 1k
R
CLPROG
= 3.01k
1x USB SETTING
BATTERY VOLTAGE (V)
USB Limited Battery Charge
Current vs Battery Voltage
USB Limited Battery Charge
Current vs Battery Voltage
OUTPUT CURRENT (mA)
0
OUTPUT VOLTAGE (V)
3.25
3.50
409836 G05
3.00
2.75
200
400
600
800
3.75
V
BUS
= 5V
BAT = 3V
R
CLPROG
= 3.01k
R
PROG
= 2k
5x USB SETTING
OUTPUT CURRENT (mA)
0
CHARGE CURRENT (mA)
150
450
409836 G06
0
300
–150
–300
200
400
600
800
600
V
BUS
= 5V
BAT = 3V
R
CLPROG
= 3.01k
R
PROG
= 2k
5x USB SETTING
Battery Charge Current vs V
OUT
Current (Battery Charger Enabled)
V
OUT
Voltage vs V
OUT
Current
(Battery Charger Enabled)