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參數資料
| 型號： | LTC3566EUF-2#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 2.5 A BATTERY CHARGE CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD, QFN-24 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 271K |
| 代理商： | LTC3566EUF-2#PBF |
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LTC3566/LTC3566-2
1
3566fb
FEATURES
APPLICATIONS
DESCRIPTION
High Efciency USB
Power Manager Plus 1A
Buck-Boost Converter
The LTC
3566 family are highly integrated power manage-
ment and battery charger ICs for Li-Ion/Polymer battery
applications. They include a high efciency current lim-
ited switching PowerPath manager with automatic load
prioritization, a battery charger, an ideal diode, and a high
efciency synchronous buck-boost switching regulator.
Designed specically for USB applications, the LTC3566
family’s switching power manager automatically limits input
current to a maximum of either 100mA or 500mA for USB
applications or 1A for adapter-powered applications.
The LTC3566 family’s switching input stage transmits nearly
all of the 2.5W available from the USB port to the system
load with minimal power wasted as heat. This feature
allows the LTC3566 family to provide more power to the
application and eases the constraint of thermal budgeting in
small spaces. The LTC3566-2 automatically reduces charge
current to maintain a regulated 3.6V VOUT during low bat-
tery conditions; the LTC3566 does not. The synchronous
buck-boost DC/DC can provide up to 1A.
The LTC3566 family is available in a low prole 24-lead
4mm × 4mm QFN surface mount package.
LTC3566/LTC3566-2 USB Power Manager with 3.3V/1A Buck-Boost
POWER MANAGER
■
High Efciency Switching PowerPath Controller
with Bat-Track Adaptive Output Control
■
Programmable USB or Wall Input Current Limit
(100mA/500mA/1A)
■
Full Featured Li-Ion/Polymer Battery Charger
■
Instant-On Operation with Discharged Battery
■
1.5A Maximum Charge Current
■
Internal 180mΩ Ideal Diode Plus External Ideal Diode
Controller Powers Load in Battery Mode
■
Low No-Load IQ when Powered from BAT (<30μA)
1A BUCK-BOOST DC/DC
■
High Efciency (1A IOUT)
■
2.25MHz Constant Frequency Operation
■
Low No-Load Quiescent Current (~13μA)
■
Zero Shutdown Current
■
Pin Control of All Functions
■
HDD Based MP3 Players, PDA, GPS, PMP Products
■
Other USB Based Handheld Products
SW
VOUT =
BAT + 300mV
TO OTHER
DC/DCs
3.3V/25mA
ALWAYS
ON LDO
3.3V/1A
HDD
FROM AC
ADAPTER
FROM USB
VOUT1
3566 TA01
SWCD1
SWAB1
VIN1
LDO3V3
BAT
GATE
VOUT
NTC
VBUS
CLPROG
PROG
VC1
FB1
LTC3566/LTC3566-2
ILIM0
ILIM1
MODE
EN1
CHRG
CHRGEN
GND
EXPOSED PAD
DIGITAL CONTROL
T
+
Li-Ion
4.7μF
100k
0.1μF
3.01k
2k
100k
10μF
3.3μH
OPTIONAL
1μF
2.2μH
324k
105k
1.3nF
10μF
IOUT (A)
0
EFFICIENCY
(%)
20
40
60
80
0.1
0.01
1
3566 TA01b
100
10
30
50
70
90
BAT = 4.2V
BAT = 3.3V
VBUS = 5V
IBAT = 0mA
10x MODE
Switching Regulator Efciency to
System Load (POUT/PBUS)
TYPICAL APPLICATION
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. PowerPath
and Bat-Track are trademarks of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents including 6522118, 6404251.
相關PDF資料 |
PDF描述 |
|---|---|
| LTC3566EUF-2#TRPBF | 2.5 A BATTERY CHARGE CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PQCC24 |
| LTC3576EUFE-1#TRPBF | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC38 |
| LTC3576EUFE#PBF | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC38 |
| LTC3670EDDB#PBF | 1.1 A SWITCHING REGULATOR, 2590 kHz SWITCHING FREQ-MAX, PDSO12 |
| LTC3677EUFF-3#TRPBF | POWER SUPPLY MANAGEMENT CKT, PQCC44 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC3566EUF-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter |
| LTC3566EUF-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter |
| LTC3567 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter with I2C Control |
| LTC3567EUF#PBF | 功能描述:IC USB POWER MANAGER 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標準包裝:1 系列:- 應用:手持/移動設備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
| LTC3567EUF#TRPBF | 功能描述:IC USB POWER MANAGER 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標準包裝:1 系列:- 應用:手持/移動設備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
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