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参数资料
| 型号： | LT1769IGN |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | Constant-Current/ Constant-Voltage 2A Battery Charger with Input Current Limiting |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28 |
| 封装： | 0.150 INCH, PLASTIC, SSOP-28 |
| 文件页数： | 16/16页 |
| 文件大小： | 214K |
| 代理商： | LT1769IGN |
16
LT1769
1769f LT/TP 0999 4K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1999
APPLICATIO
S I
FOR
ATIO
U
W
U
U
C
IN
C
OUT
R
S1
D1
L1
GND
GND
1769 F14
TO
GND
TO
GND
NOTE: CONNECT ALL GND PINS TO EXPANDED PC LANDS FOR PROPER HEAT SINKING
GND
GND
GND
SW
BOOST
UV
GND
GND
OVP
CLP
CLN
COMP1
SENSE
GND
GND
GND
GND
V
CC1
V
CC2
V
GND
PROG
V
C
UV
COMP2
BAT
SPIN
GND
Figure 14. Critical Electrical and Thermal Path Layout
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
PART NUMBER
LTC
1325
DESCRIPTION
Microprocessor-Controlled Battery Management System
COMMENTS
Can Charge, Discharge and Gas Gauge NiCd and Lead-Acid
Batteries with Software Charging Profiles
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
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
V
IN
Can Be Higher or Lower Than Battery Voltage
Preconditioning If Cell < 2.7V, 3hr Time-Out, C/10 Detection, Temp Sensor
Pin, Charger and Battery Detection
94% Efficiency with Input Current Limiting, Up to 8A I
CHG
LT1372/LT1377
LT1376
LT1505
LT1510
LT1511
LT1512/LT1513
LTC1729
500kHz/1MHz Step-Up Switching Regulators
500kHz Step-Down Switching Regulator
High Current, High Efficiency Battery Charger
Constant-Voltage/Constant-Current Battery Charger
Constant-Voltage/Constant-Current Battery Charger
SEPIC Battery Chargers
Li-Ion Battery Charger Termination Controller
LTC1759
SMBus Smart Battery Charger
RELATED PARTS
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTIO
N
U
GN Package
28-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
GN28 (SSOP) 1098
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.016 – 0.050
(0.406 – 1.270)
0.015
±
0.004
(0.38
±
0.10)
×
45
°
0
°
– 8
°
TYP
0.0075 – 0.0098
(0.191 – 0.249)
0.053 – 0.069
(1.351 – 1.748)
0.008 – 0.012
(0.203 – 0.305)
0.004 – 0.009
(0.102 – 0.249)
0.0250
(0.635)
BSC
0.386 – 0.393*
(9.804 – 9.982)
1
2
3
4
5
6
7
8
9 10 11 12
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
20
21
22
23
24
25
26
27
28
19 18 17
13 14
1615
0.033
(0.838)
REF
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| LT1769IGN#PBF | 功能描述:IC CHARGER BATT CONST V/I 28SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LT1769IGN#TR | 功能描述:IC CHARGER BATT CONST V/I 28SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LT1769IGN#TRPBF | 功能描述:IC CHARGER BATT CONST V/I 28SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LT1775CQ5 | 制造商:Linear Technology 功能描述: |
| LT1776 | 制造商:LINER 制造商全称:Linear Technology 功能描述:50mA, 3V to 80V Low Dropout Micropower Linear Regulator |
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