参数资料
型号: LTC1142CG#TRPBF
厂商: Linear Technology
文件页数: 20/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 28-SSOP
标准包装: 2,000
PWM 型: 电流模式
输出数: 2
频率 - 最大: 250kHz
占空比: 100%
电源电压: 3.5 V ~ 18 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
包装: 带卷 (TR)
LTC1142/LTC1142L/LTC1142HV
TYPICAL APPLICATIO S
1400
1200
1000
800
600
400
200
0
0
1
2
3
4
SET RESISTANCE (k ? )
1142 F16
Figure 16. LTC1142HV-ADJ Output Current vs Trickle Charge Set Resistance
(R X ) for the Circuit in Figure 15 Using a 0.1 ? Current Sense Resistor R SENSE1
PACKAGE DESCRIPTIO
Dimensions in inches (millimeters) unless otherwise noted.
G Package
28-Lead Plastic SSOP (0.209)
(LTC DWG # 05-08-1640)
10.07 – 10.33*
5.20 – 5.38* *
(0.205 – 0.212)
1.73 – 1.99
(0.068 – 0.078)
(0.397 – 0.407)
28 27 26 25 24 23 22 21 20 19 18 17 16 15
0 ° – 8 °
7.65 – 7.90
0.13 – 0.22 0.55 – 0.95
(0.005 – 0.009) (0.022 – 0.037)
NOTE: DIMENSIONS ARE IN MILLIMETERS
0.65
(0.0256)
BSC
0.25 – 0.38
(0.010 – 0.015)
0.05 – 0.21
(0.002 – 0.008)
(0.301 – 0.311)
* DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.152mm (0.006") PER SIDE
** DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.254mm (0.010") PER SIDE
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14
G28 SSOP 1098
LTC1530
LTC1625
LTC1628
LTC1703
LTC1709
High Power Synchronous Step-Down Controller
No R SENSE TM Current Mode Synchronous Step-Down Controller
Dual High Efficiency 2-Phase Synch Step-Down Controller
Dual 550kHz Synch 2-Phase Sw Reg Controller w/ Mobile VID
2-Phase, 5-Bit Desktop VID Synch Step-Down Controller
SO-8 with Current Limit. No R SENSE Required
Above 95% Efficiency, Needs No R SENSE , 16-Lead SSOP Package
Fits SO-8 Footprint
Constant Frequency, Standby 5V and 3.3V LDOs, 3.5V ≤ V IN ≤ 36V
LTC1702 w/ 5-Bit Mobile VID for Mobile Pentium ? Processor Systems
Current Mode, V IN to 36V, I OUT Up to 42A
LTC1736
Synchronous Step-Down Controller with 5-Bit Mobile VID Control Fault Protection, PowerGood, 3.5V to 36V Input, Current Mode
LTC1753
LTC1873
LTC1929
5-Bit Desktop VID Programmable Synch Switching Reg
Dual Synchronous Switching Regulator with 5-Bit Desktop VID
2-Phase, Synchronous High Efficiency Converter
1.3V to 3.5V Programmable Output Using Internal 5-Bit DAC
1.3V to 3.5V Programmable Core Output Plus I/O Output
Current Mode Ensures Accurate Current Sensing,
V IN Up to 36V, I OUT Up to 40A
No R SENSE is a trademark of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation.
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
1142fd LT/TP 0600 2K REV D ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1995
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LTC1142HV 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual High Efficiency Synchronous Step-Down Switching Regulators
LTC1142HV-ADJ 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual High Efficiency Synchronous Step-Down Switching Regulators
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LTC1142HVCG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
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