参数资料
型号: LTC3554EUD#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20
封装: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件页数: 30/36页
文件大小: 418K
代理商: LTC3554EUD#TRPBF
LTC3554/LTC3554-2
36
35542fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2009
LT 0111 REV B PRINTED IN USA
RELATED PARTS
PART
NUMBER
DESCRIPTION
COMMENTS
LTC3455
Dual DC/DC Converter with USB Power
Manager and Li-Ion Battery Charger
Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall
Adapter, 4mm
× 4mm QFN-24 Package
LTC3456
2-Cell, Multioutput DC/DC Converter with
USB Power Manager
Seamless Transition Between 2-Cell Battery, USB and AC Wall Adapter Input Power
Sources, 4mm
× 4mm QFN-24 Package
LTC3557
USB Power Manager with Li-Ion Charger,
Triple Step-Down DC/DC Regulators
Triple Step-Down Switching Regulators (600mA, 400mA); 4mm
× 4mm QFN Package
LTC3559
USB Charger with Dual Buck Regulators
Adjustable, Synchronous Buck Converters, 3mm
× 3mm QFN-16 Package
LTC4080
500mA Standalone Charger with 300mA
Synchronous Buck
Charges Single-Cell Li-Ion Batteries, Timer Termination + C/10, Thermal Regulation, Buck
Output: 0.8V to VBAT, Buck Input VIN: 2.7V to 5.5V, 3mm × 3mm DFN-10 Package
LTC3553
μPower PMIC/Charger/Buck/LDO
3mm
× 3mm × 0.75mm QFN-20 Package
TYPICAL APPLICATION
VBUS
NTC
PROG
HPWR
SUSP
PWR_ON1
FSEL
STBY
PGOOD
PWR_ON2
PBSTAT
ON
VOUT
CHRG
BAT
BVIN
SW1
FB1
SW2
FB2
GND
Li-Ion
BATTERY
C1
10μF
R3
R1
100k
20
16
1
19
9
2
10
4
8
3
5
PB1
7
11
6
13
12
17
18
14
15
RPROG
1.87k
T
C3
10pF
C4
10μF
C2
2.2μF
RUP1
RUP2
2.05M
RLO1
649k
3.3V
LDO
1.8V
L1 4.7μH
C5
10pF
C6
10μF
332k
RLO2
649k
1.2V
L2
10μH
SYSTEM LOAD
4.35V TO 5.5V
USB INPUT
LTC3554
I/O
CORE
PBSTAT
PWR_ON2
PGOOD
STBY
FSEL
PWR_ON1
SUSP
HPWR
3554 F15
C
MEMORY
EN
R2
100k
R2
100k
R3
100k
+
C7
10μF
Figure 15. USB PowerPath with LI-Ion Battery (NTC Qualied Charging)
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相关代理商/技术参数
参数描述
LTC3555 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency USB Power Manager + Triple Step-Down DC/DC
LTC3555EUFD#PBF 功能描述:IC USB POWER HE 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 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-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3555EUFD#TRPBF 功能描述:IC USB POWER HE 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 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-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3555EUFD-1#PBF 功能描述:IC USB POWER HE 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 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-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3555EUFD-1#TRPBF 功能描述:IC USB POWER HE 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 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-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR