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参数资料
| 型号： | LTC4081EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 10-DFN |
| 标准包装： | 121 |
| 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： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
LTC4081
ABSOLUTE
(Note 1)
AXI U RATI GS
BAT Short-Circuit Duration............................Continuous
V CC , t < 1ms and Duty Cycle < 1% .............. – 0.3V to 7V
V CC Steady State ......................................... – 0.3V to 6V
BAT, ? C ? H ? R ? G .................................................. – 0.3V to 6V
? E ? N ? _ ? C ? H ? R ? G, PROG, NTC ...................– 0.3V to V CC + 0.3V
MODE, EN_BUCK .......................... – 0.3V to V BAT + 0.3V
FB ............................................................... – 0.3V to 2V
PIN CONFIGURATION
TOP VIEW
BAT Pin Current ...................................................800mA
PROG Pin Current ....................................................2mA
Junction Temperature .......................................... .125°C
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Storage Temperature Range.................. – 65°C to 125°C
BAT
V CC
1
2
10 SW
9 EN_BUCK
EN_CHRG
PROG
NTC
3
4
5
11
8 MODE
7 FB
6 CHRG
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 110°C, θ JA = 43°C/W (NOTE 3)
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC4081EDD#PBF
TAPE AND REEL
LTC4081EDD#TRPBF
PART MARKING
LDBX
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) DFN
TEMPERATURE RANGE
0°C to 70°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The ● denotes speci?cations which apply over the full operating tempera-
ture range, otherwise speci?cations are at T A = 25°C, V CC = 5V, V BAT = 3.8V, V ? E ? N ? _ ? C ? H ? R ? G = 0V, V NTC = 0V, V EN_BUCK = V BAT , V MODE = 0V.
(Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V CC
V BAT
Battery Charger Supply Voltage
Input Voltage for the Switching
(Note 4)
(Note 5)
●
●
3.75
2.7
5
3.8
5.5
4.5
V
V
Regulator
I CC
Quiescent Supply Current (Charger On, V BAT = 4.5V (Forces I BAT and I PROG = 0),
●
110
300
μA
Switching Regulator Off)
V EN_BUCK = 0
I CC_SD
Supply Current in Shutdown (Both
V ? E ? N ? _ ? C ? H ? R ? G = 5V, V EN_BUCK = 0, V CC > V BAT
●
5
10
μA
Battery Charger and Switching
Regulator Off)
V ? E ? N ? _ ? C ? H ? R ? G = 4V, V EN_BUCK = 0, V CC (3.5V) <
V BAT (4V)
2
μA
4081f
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4081EDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck |
| 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 |
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