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参数资料
| 型号： | LTC4080EMSE |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.8 A BATTERY CHARGE CONTROLLER, 2750 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | PLASTIC, MSOP-10 |
| 文件页数： | 17/20页 |
| 文件大小： | 288K |
| 代理商： | LTC4080EMSE |
LTC4080
6
4080fa
20
25
35
15
10
5
0
30
4080 G17
BATTERY VOLTAGE (V)
2.5
BUCK
INPUT
CURRENT
(
A)
4.5
3.0
3.5
4.0
IOUT = 1mA
VOUT = 1.8V
L = 10
H
TEMPERATURE (
°C)
0.80
NORMALIZED
TIME
PERIOD
0.90
1.05
0.85
1.00
0.95
4080 G10
–50
30
–10
–30
50
70
10
90
BATTERY VOLTAGE (V)
2.5
2.26
2.27
2.28
4.0
4080 G11
2.25
2.24
3.0
3.5
4.5
2.23
2.22
FREQUENCY
(MHz)
TEMPERATURE (
°C)
–60
1.8
FREQUENCY
(MHz)
1.9
2.0
2.1
2.2
–20
20
60
100
2.3
2.4
–40
0
40
80
4080 G12
VBAT = 2.7V
VBAT = 4.5V
VBAT = 3.8V
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
60
80
0.1
10
100
1
1000
20
0
100
0
10
100
0.1
0.01
1000
4080 G13
VBAT = 3.8V
VOUT = 1.8V
L = 10
H
C = 4.7
F
EFFICIENCY
(Burst)
POWER LOSS
(Burst)
EFFICIENCY
(PWM)
POWER
LOSS
(PWM)
BATTERY VOLTAGE (V)
2.5
1.780
BUCK
OUTPUT
VOLTAGE
(V)
1.785
1.790
1.795
1.800
1.805
1.810
3.0
3.5
4.0
4.5
4080 G14
PWM MODE
IOUT = 1mA
VOUT SET FOR 1.8V
Burst Mode
OPERATION
TEMPERATURE (C)
–50
BUCK
OUTPUT
VOLTAGE
(V)
1.800
1.805
1.810
10
50
1.795
1.790
–30
–10
30
70
90
1.785
1.780
4080 G15
PWM MODE
Burst Mode
OPERATION
IOUT = 1mA
VOUT SET FOR 1.8V
No-Load Buck Input Current
(Burst Mode Operation)
vs Battery Voltage
Normalized Charger Timer
Period vs Temperature
Buck Oscillator Frequency
vs Battery Voltage
Buck Oscillator Frequency
vs Temperature
Buck Efciency vs Load Current
(VOUT = 1.8V)
Buck Output Voltage
vs Battery Voltage
Buck Output Voltage
vs Temperature
VOLTAGE
(mV)
70
40
20
10
0
80
60
50
30
4080 G09
ICHRG, IACPR = 5mA
TEMPERATURE (
°C)
–50
30
–10
–30
50
70
10
90
CHRG and ACPR Pin Output
Low Voltage vs Temperature
TYPICAL PERFORMANCE CHARACTERISTICS
Buck Efciency vs Load Current
(VOUT = 1.5V)
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
60
80
0.1
10
100
1
1000
20
0
100
0
10
100
0.1
0.01
1000
4080 G13a
VBAT = 3.8V
VOUT = 1.5V
L = 10
H
C = 4.7
F
EFFICIENCY
(Burst)
POWER LOSS
(Burst)
EFFICIENCY
(PWM)
POWER
LOSS
(PWM)
(TA = 25°C, VCC = 5V, VBAT = 3.8V, unless otherwise specied)
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| LTC4080EMSE#PBF | 功能描述:IC CHARGER LI-ION 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 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:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC4080EMSE#TRPBF | 功能描述:IC CHARGER LI-ION 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 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:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC4080EMSE-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck |
| LTC4080EMSE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck |
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