参数资料
型号: LTC4160EUDC-1#TRPBF
厂商: Linear Technology
文件页数: 6/32页
文件大小: 0K
描述: IC SWITCH POWER MANAGER 20-QFN
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(3x4)
包装: 带卷 (TR)
LTC4160/LTC4160-1
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
Ideal Diode V-I Characteristics
Ideal Diode Resistance
vs Battery Voltage
V OUT Voltage vs Load 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
3.75
BAT = 4V
B AT = 3.4 V
0.4
0.2
0
0
0.04
0.08
INTERNAL IDEAL
DIODE ONLY
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
3.50
3.25
3.00
2.75
2.50
0
BAT = 2.8V
V BUS = 5V
R CLPROG = 3.01k
R PROG = 2k
200 400
600
800
1000
FORWARD VOLTAGE (V)
BATTERY VOLTAGE (V)
41601 G08
LOAD CURRENT (mA)
41601 G09
41601 G07
Battery Charge Current vs V OUT
Voltage
V OUT Voltage vs Battery Voltage
(Charger Overprogrammed)
V OUT Voltage vs Load Current
(Battery Charger Enabled)
600
500
400
300
R CLPROG = 3.01k
R PROG = 2k
5x MODE
4.7
4.5
4.3
4.1
3.9
3.7
V BUS = 5V
I VOUT = 0μA
R CLPROG = 3.01k
R PROG = 1k
5x MODE
4.50
4.25
4.00
3.75
3.50
BAT = 4V
BAT = 3.4V
200
100
0
3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80
3.5
3.3
3.1
2.9
2.7
2.7
1x MODE
BATTERY VOLTAGE
3.0 3.3 3.6
3.9
4.2
3.25
3.00
2.75
2.50
0
V BUS = 5V
R CLPROG = 3.01k
R PROG = 2k
200 400
600
BAT = 2.8V
800 1000
V OUT (V)
41601 G10
BATTERY VOLTAGE (V)
41601 G11
LOAD CURRENT (mA)
41601 G12
PowerPath Switching Regulator
Transient Response
PowerPath Switching Regulator
Efficiency vs Load Current
Battery Charging Efficiency vs
Battery Voltage with No External
Load (P BAT /P VBUS )
V OUT
50mV/DIV
AC-COUPLED
100
90
80
1x MODE
5x, 10x MODE
95
90
85
80
R CLPROG = 3.01k
R PROG = 1k
1x MODE
70
75
I VOUT
500mA/DIV
60
70
0mA
50
65
60
5x MODE
V BUS = 5V
V OUT = 3.65V
CHARGER OFF
10x MODE
20μs/DIV
41601 G13
40
30
10
100
1000
55
50
2.7
3.0
3.3
3.6
3.9
4.2
LOAD CURRENT (mA)
41601 G14
BATTERY VOLTAGE (V)
41601 G15
41601fa
6
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