参数资料
型号: LTC4098EUDC#TRPBF
厂商: Linear Technology
文件页数: 5/32页
文件大小: 0K
描述: IC CHARGER USB COMP 20-UTQFN
标准包装: 2,500
系列: Bat-Track™, PowerPath™
功能: 电源管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.35 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN-EP(3x4)
包装: 带卷 (TR)
LTC4098/LTC4098-1
TYPICAL PERFORMANCE CHARACTERISTICS
Ideal Diode Resistance
T A = 25°C unless otherwise noted.
USB Compliant Load Current
Ideal Diode V-I Characteristics
vs Battery Voltage
Available Before Discharging Battery
1.0
0.8
0.6
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
0.25
0.20
0.15
INTERNAL IDEAL
DIODE
800
750
700
0.4
0.2
0
0
0.04
0.08
INTERNAL IDEAL
DIODE ONLY
0.12 0.16
0.20
0.10
0.05
0
2.7
3.0
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
3.3 3.6
3.9
4.2
650
600
550 V BUS = 5V
R CLPROG = 3.01k
5x USB SETTING
500
2.7 3.0 3.3
3.6
3.9
4.2
4.50
4.25
4.00
FORWARD VOLTAGE (V)
V OUT Voltage vs V OUT Current
(Battery Charger Disabled)
BAT = 4V
40981 G01
3.75
3.50
BATTERY VOLTAGE (V)
V OUT Voltage vs V OUT Current
(Battery Charger Enabled)
40981 G02
700
450
BATTERY VOLTAGE (V)
40981 G03
Battery Charge Current vs V OUT
Current (Battery Charger Enabled)
3.75
BAT = 3.4V
3.25
200
3.50
3.25
0
V BUS = 5V
5x MODE
200
400
600
800
3.00
2.75
0
V BUS = 5V
BAT = 3V
R CLPROG = 3.01k
RPROG = 2k
5x USB SETTING
200
400
600
800
–50
–300
0
V BUS = 5V
BAT = 3V
R CLPROG = 3.01k
RPROG = 2k
5x USB SETTING
200
400
600
800
160
150
OUTPUT CURRENT (mA)
40981 G04
USB Compliant Load Current
Available Before Discharging Battery
700
600
OUTPUT CURRENT (mA)
USB Limited Battery Charge
Current vs Battery Voltage
40981 G05
150
125
OUTPUT CURRENT (mA)
USB Limited Battery Charge
Current vs Battery Voltage
40981 G06
140
130
500
400
V BUS = 5V
R PROG = 1k
R CLPROG = 3.01k
100
75
V BUS = 5V
R PROG = 1k
R CLPROG = 3.01k
0
120
110 V BUS = 5V
R CLPROG = 3.01k
1x USB SETTING
100
2.7 3.0 3.3
3.6
3.9
4.2
300
200
100
LTC4098
LTC4098-1
5x USB SETTING,
BATTERY CHARGER SET FOR 1A
2.7 3.0 3.3 3.6 3.9
4.2
50
25
0
LTC4098
LTC4098-1
1x USB SETTING,
BATTERY CHARGER SET FOR 1A
2.7 3.0 3.3 3.6 3.9
4.2
BATTERY VOLTAGE (V)
40981 G07
BATTERY VOLTAGE (V)
40981 G08
BATTERY VOLTAGE (V)
40981 G09
40981fc
5
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