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參數資料
| 型號： | LTC3559EUD |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 1.05 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件頁數： | 1/24頁 |
| 文件大?。?/td> | 302K |
| 代理商： | LTC3559EUD |
LTC3559
1
3559f
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Linear USB Battery Charger
with Dual Buck Regulators
The LTC
3559 is a USB battery charger with dual high ef-
ciency buck regulators. The part is ideally suited to power
single cell Li-Ion/Polymer based handheld applications
needing multiple supply rails.
Battery charge current is programmed via the PROG pin
and the HPWR pin, with capability up to 950mA at the BAT
pin. The battery charger has an NTC input for temperature
qualied charging. The
CHRG pin allows battery status to
be monitored continuously during the charging process.
An internal timer controls charger termination.
Each monolithic synchronous buck regulator provides up
to 400mA of output current while operating at efciencies
greater than 90% over the entire Li-Ion/Polymer range.
A MODE pin provides the exibility to place both buck
regulators in a power saving Burst Mode operation or a
low noise pulse skip mode.
The LTC3559 is offered in a low prole thermally enhanced
16-lead (3mm
× 3mm) QFN package.
USB Charger Plus Dual Buck Regulators
Battery Charger
■ Standalone USB Charger
■ Up to 950mA Charge Current Programmable via
Single Resistor
■ HPWR Input Selects 20% or 100% of Programmed
Charge Current
■ NTC Input for Temperature Qualied Charging
■ Internal Timer Termination
■ Bad Battery Detection
■
CHRG indicates C/10 or Timeout
Buck Regulators
■ 400mA Output Current
■ 2.25MHz Constant Frequency Operation
■ Zero Current in Shutdown
■ Low Noise Pulse Skip Operation or Power Saving
Burst Mode Operation
■ Low No Load Quiescent Current: 35
μA
■ Available in a Low Prole Thermally Enhanced
16-Lead 3mm
× 3mm QFN Package
■ SD/Flash-Based MP3 Players
■ Low Power Handheld Applications
VCC
NTC
CHRG
PROG
SUSP
HPWR
EN1
4.7
μH
2.2
μF
10
μF
309k
655k
649k
324k
10
μF
22pF
UP TO 500mA
LTC3559
GND
EXPOSED
PAD
1
μF
4.7
μH
1.74k
EN2
MODE
BAT
USB (4.3V TO 5.5V)
OR AC ADAPTOR
DIGITAL
CONTROL
PVIN
SW1
FB1
SW2
FB2
2.5V
400mA
SINGLE
Li-lon CELL
(2.7V TO 4.2V)
1.2V
400mA
3559 TA01
+
, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC3559EUD#PBF | 功能描述:IC USB CHARGER 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 其它有關文件:STC3100 View All Specifications 特色產品:STC3100 - Battery Monitor IC 標準包裝:4,000 系列:- 功能:燃料，電量檢測計/監控器 電池化學:鋰離子（Li-Ion） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MiniSO 包裝:帶卷 (TR) 其它名稱:497-10526-2 |
| LTC3559EUD#PBF | 制造商:Linear Technology 功能描述:IC BATT CHARGER W/BUCK REG 16QFN 制造商:Linear Technology 功能描述:IC, BATT CHARGER, W/BUCK REG, 16QFN |
| LTC3559EUD#TRPBF | 功能描述:IC USB CHARGER 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應商設備封裝:22-DFN（6x3）裸露焊盤 包裝:管件 |
| LTC3559EUD-1#PBF | 功能描述:IC USB BATTERY CHARGER 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應商設備封裝:22-DFN（6x3）裸露焊盤 包裝:管件 |
| LTC3559EUD-1#TRPBF | 功能描述:IC USB BATTERY CHARGER 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應商設備封裝:22-DFN（6x3）裸露焊盤 包裝:管件 |
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