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参数资料
| 型号： | LTC3559EUD-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 22/24页 |
| 文件大小： | 0K |
| 描述： | IC USB BATTERY CHARGER 16-QFN |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN-EP（3x3） |
| 包装： | 带卷 (TR) |
LTC3559/LTC3559-1
TYPICAL APPLICATIONS
The Output Voltage of a Buck Regulator Is Programmed for 3.3V. When BAT Voltage Approaches 3.3V, the Regulator Operates in
Dropout and the Output Voltage Will Be BAT – (I LOAD ? 0.6). An LED at CHRG Gives a Visual Indication of the Battery Charger State.
A 3-Resistor Bias Network for NTC Sets Hot and Cold Trip Points at Approximately 55°C and 0°C
UP TO
950mA
ADAPTER
4.5V TO 5.5V
510Ω
110k
1μF
V CC
BAT
PV IN
+
SINGLE
Li-lon CELL
2.7V TO 4.2V (LTC3559)
28.7k
100k
NTC
NTH50603N01
NTC
LTC3559/
LTC3559-1
2.2μF
2.7V TO 4.1V (LTC3559-1)
887Ω
CHRG
PROG
SW1
FB1
4.7μH
1.02M
22pF
10μF
3.3V AT
400mA
SUSP
HPWR
324k
DIGITALLY
MODE
SW2
4.7μH
1.8V AT
400mA
CONTROLLED
EN1
FB2
806k
22pF
10μF
Buck Regulator Ef?ciency vs I LOAD
EN2
GND
EXPOSED PAD
3559 TA03
649k
Buck Regulator Ef?ciency vs I LOAD
100
90
Burst Mode
OPERATION
100
90
80
70
60
80
70
60
Burst Mode
OPERATION
50
40
30
20
PULSE SKIP
MODE
V OUT = 1.8V
50
40
30
20
PULSE SKIP
MODE
10
0
0.1
1
10
PV IN = 2.7V
PV IN = 4.2V
100 1000
10
0
0.1
1
10
PV IN = 4.2V
V OUT = 3.3V
100 1000
I LOAD (mA)
3559 TA02b
I LOAD (mA)
3559 TA02c
3559fb
22
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3559EUD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear USB Battery Charger with Dual Buck Regulators |
| LTC3559EUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear USB Battery Charger with Dual Buck Regulators |
| LTC3560 | 制造商:LINER 制造商全称:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3560E | 制造商:LINER 制造商全称:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3560ES6 | 制造商:LINER 制造商全称:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
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