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LT1769IFE

更新时间： 2022-02-26 13:54:10
品牌 Logo 应用领域
Linear Systems 电池
页数 文件大小 规格书
16页 219K
描述
Constant-Current/ Constant-Voltage 2A Battery Charger with Input Current Limiting

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LT1769IFE 数据手册

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LT1769  
U
PACKAGE DESCRIPTION  
FE Package  
20-Lead Plastic TSSOP (4.4mm)  
(Reference LTC DWG # 05-08-1663)  
Exposed Pad Variation CB  
3.86  
(.152)  
6.60 ±0.10  
2.74  
(.108)  
4.50 ±0.10  
SEE NOTE 4  
0.45 ±0.05  
1.05 ±0.10  
6.40 – 6.60*  
(.252 – .260)  
0.65 BSC  
3.86  
RECOMMENDED SOLDER PAD LAYOUT  
(.152)  
1.20  
(.047)  
MAX  
20 1918 17 16 15 14 1312 11  
4.30 – 4.50*  
(.169 – .177)  
0° – 8°  
0.65  
0.45 – 0.75  
(.018 – .030)  
2.74  
(.108)  
(.0256)  
6.40  
BSC  
0.09 – 0.20  
(.0036 – .0079)  
0.05 – 0.15  
(.002 – .006)  
BSC  
0.195 – 0.30  
(.0077 – .0118)  
NOTE:  
1. CONTROLLING DIMENSION: MILLIMETERS 4. RECOMMENDED MINIMUM PCB METAL SIZE  
FOR EXPOSED PAD ATTACHMENT  
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH  
SHALL NOT EXCEED 0.150mm (.006") PER SIDE  
MILLIMETERS  
(INCHES)  
2. DIMENSIONS ARE IN  
FE20 (CB) TSSOP 0203  
5
7
8
1
2
3
4
6
9 10  
3. DRAWING NOT TO SCALE  
GN Package  
28-Lead Plastic SSOP (Narrow .150 Inch)  
(Reference LTC DWG # 05-08-1641)  
0.386 – 0.393*  
(9.804 – 9.982)  
0.033  
(0.838)  
REF  
0.015 ± 0.004  
(0.38 ± 0.10)  
28 27 26 25 24 23 22 21 20 19 18 17 1615  
0.053 – 0.069  
(1.351 – 1.748)  
0.004 – 0.009  
(0.102 – 0.249)  
× 45°  
0.0075 – 0.0098  
(0.191 – 0.249)  
0° – 8° TYP  
0.229 – 0.244  
(5.817 – 6.198)  
0.150 – 0.157**  
(3.810 – 3.988)  
0.016 – 0.050  
(0.406 – 1.270)  
0.008 – 0.012  
(0.203 – 0.305)  
0.0250  
(0.635)  
BSC  
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH  
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE  
GN28 (SSOP) 1098  
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD  
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE  
1
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9 10 11 12 13 14  
RELATED PARTS  
PART NUMBER DESCRIPTION  
COMMENTS  
LT1372/LT1377 500kHz/1MHz Step-Up Switching Regulators  
High Frequency, Small Inductor, High Efficiency Switchers, 1.5A Switch  
High Frequency, Small Inductor, High Efficiency Switcher, 1.5A Switch  
94% Efficiency, Synchronous Current Mode PWM  
LT1376  
LT1505  
LT1510  
LT1511  
500kHz Step-Down Switching Regulator  
High Current, High Efficiency Battery Charger  
Constant-Voltage/Constant-Current Battery Charger  
Constant-Voltage/Constant-Current Battery Charger  
Up to 1.5A Charge Current for Lithium-Ion, NiCd and NiMH Batteries  
Up to 3A Charge Current for Lithium-Ion, NiCd and NiMH Batteries  
LT1512/LT1513 SEPIC Battery Chargers  
V Can Be Higher or Lower Than Battery Voltage  
IN  
LTC1729  
Li-Ion Battery Charger Termination Controller  
Preconditioning If Cell < 2.7V, 3hr Time-Out, C/10 Detection, Temp Sensor  
Pin, Charger and Battery Detection  
LTC1759  
LTC1960  
SMBus Smart Battery Charger  
94% Efficiency with Input Current Limiting, Up to 8A I  
CHG  
Dual Battery Charger and Selector with SPI Interface  
I
Up to 6A, Fast Charge, Longer Battery Life, Crisis Management  
CHARGE  
1769fa  
LT/TP 1101 1.5K REV A • PRINTED IN USA  
16 LinearTechnology Corporation  
1630 McCarthy Blvd., Milpitas, CA 95035-7417  
●
●
LINEAR TECHNOLOGY CORPORATION 1999  
(408) 432-1900 FAX: (408) 434-0507 www.linear.com  
1...13141516

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