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参数资料
| 型号： | LT1681CSW |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | 0.300 INCH, PLASTIC, SO-20 |
| 文件页数： | 8/16页 |
| 文件大小： | 225K |
| 代理商： | LT1681CSW |
16
LT1681
LINEAR TECHNOLOGY CORPORATION 2000
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900q FAX:(408)434-0507 q www.linear-tech.com
1681i LT/TP 1000 4K PRINTED IN USA
PART NUMBER
DESCRIPTION
COMMENTS
LT1158
Half-Bridge N-Channel MOSFET Driver
Current Limit Protection, 100% of Duty Cycle
LT1160
Half-Bridge N-Channel MOSFET Driver
Up to 60V Input Supply, No Shoot-Through
LT1162
Dual Half-Bridge N-Channel MOSFET Driver
VIN to 60V, Good for Full-Bridge Applications
LT1336
Half-Bridge N-Channel MOSFET Driver
Smooth Operation at High Duty Cycle (95% to 100%)
LT1339
High Power Synchronous DC/DC Controller
60V Dual N-Channel MOSFET Controller
LTC
1530
High Power Step-Down Switching Regulator Controller
Excellent for 5V to 3.x Up to 50A
LTC1625
No RSENSE
TM Synchronous Controller
97% Efficient, 1.19V
≤ VIN ≤ 36V, 1.19V ≤ VOUT ≤ VIN
LT1680
High Power DC/DC Current Mode Step-Up Controller
High Side Current Sense, Up to 60V Input
LTC1735
Synchronous Step-Down Controller
Current Mode, 3.5V
≤ VIN ≤ 36V, 0.5V ≤ VOUT ≤ 5V
LTC1922-1
Synchronous Phase Modulated Full-Bridge Controller
50W to ?kW Power Supply Design, Adaptive Direct Sense ZVS
LT1929
2-Phase 42A Synchronous Controller
Minimizes CIN and COUT, 4V ≤ VIN ≤ 36V, 300kHz
No RSENSE is a trademark of Linear Technology Corporation.
RELATED PARTS
SW Package
20-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
S20 (WIDE) 1098
NOTE 1
0.496 – 0.512*
(12.598 – 13.005)
20
19
18
17
16
15
14
13
1
23
4
5
6
78
0.394 – 0.419
(10.007 – 10.643)
910
11
12
0.037 – 0.045
(0.940 – 1.143)
0.004 – 0.012
(0.102 – 0.305)
0.093 – 0.104
(2.362 – 2.642)
0.050
(1.270)
BSC
0.014 – 0.019
(0.356 – 0.482)
TYP
0
° – 8° TYP
NOTE 1
0.009 – 0.013
(0.229 – 0.330)
0.016 – 0.050
(0.406 – 1.270)
0.291 – 0.299**
(7.391 – 7.595)
× 45°
0.010 – 0.029
(0.254 – 0.737)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
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
*
**
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
U
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| LT1681CSW#TR | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20 |
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| LT1681IN | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP20 |
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| LT2940IMS#PBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1681ESW | 功能描述:IC SYNCHRONOUS FWRD CTRLR 20SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| LT1681ESW#PBF | 功能描述:IC SYNCHRONOUS FWRD CTRLR 20SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| LT1681ESW#TR | 功能描述:IC SYNCHRONOUS FWRD CTRLR 20SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| LT1681ESW#TRPBF | 功能描述:IC SYNCHRONOUS FWRD CTRLR 20SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| LT1681ISW | 功能描述:IC SYNCHRONOUS FWRD CTRLR 20SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
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