参数资料
型号: LTC3559EUD
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 1.05 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC16
封装: 3 X 3 MM, PLASTIC, MO-220WEED-2, QFN-16
文件页数: 16/24页
文件大小: 302K
代理商: LTC3559EUD
LTC3559
23
3559f
PACKAGE DESCRIPTION
UD Package
16-Lead Plastic QFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1691)
3.00
± 0.10
(4 SIDES)
NOTE:
1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WEED-2)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40
± 0.10
BOTTOM VIEW—EXPOSED PAD
1.45
± 0.10
(4-SIDES)
0.75
± 0.05
R = 0.115
TYP
0.25
± 0.05
1
PIN 1 NOTCH R = 0.20 TYP
OR 0.25
× 45° CHAMFER
15
16
2
0.50 BSC
0.200 REF
0.00 – 0.05
(UD16) QFN 0904
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.45
± 0.05
(4 SIDES)
2.10
± 0.05
3.50
± 0.05
0.70
±0.05
0.25
±0.05
0.50 BSC
PACKAGE
OUTLINE
The Battery Can be Charged with Up to 950mA of Charge Current. Buck Regulator 2 is Enabled Only After VOUT1 is Up to Approximately
0.7V. This Provides a Sequencing Function Which May be Desirable in Applications Where a Microprocessor Needs to be Powered Up
Before Peripherals.
CHRG Interfaces to a Microprocessor Which Decodes the Battery Charger State
VCC
NTC
CHRG
PROG
SUSP
HPWR
EN1
4.7
μH
2.2
μF
10
μF
10
μF
309k
655k
649k
324k
22pF
UP TO
950mA
LTC3559
GND
EXPOSED PAD
1
μF
100k
NTC
NTH50603NO1
4.7
μH
887
Ω
EN2
MODE
BAT
100k
ADAPTER
4.5V TO 5.5V
TO
MICROPROCESSOR
PVIN
SW1
FB1
SW2
DIGITALLY
CONTROLLED
FB2
SINGLE
Li-lon CELL
2.7V TO 4.2V
1.2V AT
400mA
2.5V AT
400mA
3559 TA02
+
TYPICAL APPLICATIONS
相关PDF资料
PDF描述
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LTC3586EUFE-1#PBF BATTERY CHARGE CONTROLLER, PQCC38
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