参数资料
| 型号： | LTC4081EDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 24/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 10-DFN |
| 标准包装： | 2,500 |
| 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： | 3.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 带卷 (TR) |
LTC4081
TYPICAL APPLICATIO
Li-Ion Battery Charger with 1.5V Buck Regulator
D1
Buck Ef?ciency vs Load Current
(V OUT = 1.5V)
R3
510 Ω
100
1000
V CC
(3.75V
TO 5.5V)
R NOM
100k
V CC CHRG
NTC SW
LTC4081
EN_BUCK BAT
L1
1O μ H
500mA
C BAT
4.7 μ F
+
4.2V
Li-Ion/
POLYMER
BATTERY
80
60
40
EFFICIENCY
(Burst)
EFFICIENCY
(PWM)
POWER
LOSS
(PWM)
POWER LOSS
100
10
1
V BAT = 3.8V
C IN
4.7 μ F
R NTC
100k
T
EN_CHRG FB
MODE GND PROG
R PROG
806 Ω
C PL
10pF
R1
715k
R2
806k
V OUT
(1.5V/300mA)
C OUT
4.7 μ F
20
0
0.01
0.1
1
(Burst)
V OUT = 1.5V
L = 10 μ H
C = 4.7 μ F
10 100 1000
0.1
0.01
RELATED PARTS
4081 TA02a
LOAD CURRENT (mA)
4081 TA02b
PART NUMBER
Battery Chargers
DESCRIPTION
COMMENTS
LTC3550
Dual Input USB/AC Adapter Li-Ion Battery Charger Synchronous Buck Converter, Ef?ciency: 93%, Adjustable Output: 600mA,
with Adjustable Output 600mA Buck Converter
Charge Current: 950mA Programmable, USB Compatible, Automatic Input Power
Detection and Selection
LTC3550-1
Dual Input USB/AC Adapter Li-Ion Battery Charger Synchronous Buck Converter, Ef?ciency: 93%, Output: 1.875V at 600mA,
with 600mA Buck Converter
Charge Current: 950mA Programmable, USB Compatible, Automatic Input Power
Detection and Selection
LTC4054
LTC4061
LTC4061-4.4
LTC4062
LTC4063
LTC4080
Standalone Linear Li-Ion Battery Charger with
Integrated Pass Transistor in ThinSOT TM
Standalone Li-Ion Charger with Thermistor
Interface
Standalone Li-Ion Charger with Thermistor
Interface
Standalone Linear Li-Ion Battery Charger with
Micropower Comparator
Li-Ion Charger with Linear Regulator
Standalone 500mA Charger with 300mA
Synchronous Buck
Thermal Regulation Prevents Overheating, C/10 Termination
4.2V, ±0.35% Float Voltage, Up to 1A Charge Current, 3mm × 3mm
DFN Package
4.4V (Max), ±0.4% Float Voltage, Up to 1A Charge Current, 3mm × 3mm
DFN Package
Up to 1A Charge Current, Charges from USB Port, Thermal Regulation
3mm × 3mm DFN Package
Up to 1A Charge Current, 100mA, 125mV LDO, 3mm × 3mm DFN Package
For 1-Cell Li-Ion/Polymer Batteries; Trickle Charge; Timer Termination +C/10;
Thermal Regulation, Buck Output: 0.8V to V BAT , Buck Input: 2.7V to 5.5V, 3mm ×
3mm DFN-10 Package
Power Management
LTC3405/LTC3405A 300mA (I OUT ), 1.5MHz, Synchronous Step-Down 95% Ef?ciency, V IN : 2.7V to 6V, V OUT = 0.8V, I Q = 20μA, I SD < 1μA,
DC/DC Converter
ThinSOT Package
LTC3406/LTC3406A 600mA (I OUT ), 1.5MHz, Synchronous Step-Down 95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT = 0.6V, I Q = 20μA, I SD < 1μA,
DC/DC Converter
ThinSOT Package
LTC3411
LTC3440
LTC4411/LTC4412
LTC4413
1.25A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
600mA (I OUT ), 2MHz, Synchronous Buck-Boost
DC/DC Converter
Low Loss PowerPath TM Controller in ThinSOT
Dual Ideal Diode in DFN
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT = 0.8V, I Q = 60μA, I SD < 1μA,
MS Package
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT = 2.5V, I Q = 25μA, I SD < 1μA,
MS Package
Automatic Switching Between DC Sources, Load Sharing, Replaces ORing Diodes
2-Channel Ideal Diode ORing, Low Forward On-Resistance, Low Regulated
Forward Voltage, 2.5V ≤ V IN ≤ 5.5V
24 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
4081f
LT 0707 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
相关PDF资料 |
PDF描述 |
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| LTC4085EDE#TRPBF | IC USB POWER MANAGER 14-DFN |
| LTC4088EDE#TRPBF | IC BATT CHARGER/USB 14-DFN |
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| LTC4090EDJC-5#TRPBF | IC USB POWER MANAGER 22-DFN |
| LTC4095EDC#TRPBF | IC CHARGER LI-ION/POLY 8-DFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4085 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager |
| LTC4085-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and 4.1V Li-Ion Charger |
| LTC4085-3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and 3.95V Li-Ion Charger |
| LTC4085EDE | 制造商:Linear Technology 功能描述:USB Power Manager 14-Pin DFN EP |
| LTC4085EDE#PBF | 功能描述:IC USB POWER MANAGER 14-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
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