参数资料
| 型号： | LTC4088EDE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER/USB 14-DFN |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 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： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-DFN-EP（4x3） |
| 包装： | 带卷 (TR) |
LTC4088
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
Ideal Diode V-I Characteristics
Ideal Diode Resistance
vs Battery Voltage
Output Voltage vs Output Current
(Battery Charger Disabled)
1.0
0.8
0.6
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
0.25
0.20
0.15
INTERNAL IDEAL
DIODE
4.50
4.25
4.00
V BAT = 4V
V BUS = 5V
5x MODE
0.4
0.2
0
0
0.04
0.08
INTERNAL IDEAL
DIODE ONLY
V BUS = 0V
V BUS = 5V
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
3.75
3.50
3.25
0
V BAT = 3.4 V
200
400
600
800
1000
FORWARD VOLTAGE (V)
USB Limited Battery Charge
Current vs Battery Voltage
4088 G01
BATTERY VOLTAGE (V)
USB Limited Battery Charge
Current vs Battery Voltage
4088 G02
OUTPUT CURRENT (mA)
Battery Drain Current
vs Battery Voltage
4088 G03
700
150
25
I OUT = 0μA
600
500
400
V BUS = 5V
R PROG = 1k
R CLPROG = 2.94k
125
100
75
V BUS = 5V
R PROG = 1k
R CLPROG = 2.94k
20
15
V BUS = 0V
300
10
0
200
100
5x USB SETTING,
BATTERY CHARGER SET FOR 1A
2.7 3.0 3.3 3.6
3.9
4.2
50
25
0
1x USB SETTING,
BATTERY CHARGER SET FOR 1A
2.7 3.0 3.3 3.6 3.9
4.2
5
0
2.7
3.0
V BUS = 5V
(SUSPEND MODE)
3.3 3.6
3.9
4.2
BATTERY VOLTAGE (V)
4088 G04
BATTERY VOLTAGE (V)
4088 G05
BATTERY VOLTAGE (V)
4088 G06
V BAT = 3.8V
100
90
80
PowerPath Switching Regulator
Efficiency vs Output Current
5x, 10x MODE
1x MODE
90
88
Battery Charging Efficiency vs
Battery Voltage with No External
Load (P BAT /P BUS )
R CLPROG = 2.94k
R PROG = 1k
I OUT = 0mA
5x CHARGING
EFFICIENCY
50
40
V BUS Current vs V BUS Voltage
(Suspend)
I OUT = 0mA
86
30
70
60
50
84
82
1x CHARGING
EFFICIENCY
20
10
40
0.01
0.1
1
80
2.7
3.0
3.3
3.6
3.9
4.2
0
1
2
3
4
5
6
OUTPUT CURRENT (A)
4088 G07
BATTERY VOLTAGE (V)
4088 G08
V BUS VOLTAGE (V)
4088 G09
4088fb
5
相关PDF资料 |
PDF描述 |
|---|---|
| LTC4089EDJC-5#TRPBF | IC USB POWER MANAGER 22-DFN |
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| LTC4095EDC#TRPBF | IC CHARGER LI-ION/POLY 8-DFN |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4089 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with High Voltage Switching Charger |
| LTC4089-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with High Voltage Switching Charger |
| LTC4089-3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with High Voltage Switching Charger |
| LTC4089-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager |
| LTC4089EDJC | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with High Voltage Switching Charger |
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