LTC1623 SMBus Dual High-SideSwitch Controller
The LTC®1623 SMBus switch controller is a slave device that controls two high-side N-channel MOSFETs on either the SMBus or the I²C bus. The LTC1623 operates with an input voltage from 2.7V to 5.5V with a low standby current of 14µA (at 3.3V). In accordance with the SMBus specification, the LTC1623 maintains the 0.6V VIL and 1.4V VIH input thresholds throughout the supply voltage range. Using the 2-wire interface, CLK and DATA, the LTC1623 monitors the bus for a start condition (DATA going from high to low while CLK is high). Once detected, the LTC1623 compares its address with the first (address) byte sent over the bus from the master. If matched, the LTC1623 will execute the second (command) byte from the master and independently control the built-in charge pumps to drive two external switches. The LTC1623 has two three-state programmable address pins, thus allowing eight different addresses and a total of sixteen available switches on the same bus
产品特点 Features
- SMBus and I²C Compatible
- Built-In Charge Pumps Drive N-Channel Switches
- 16 Available Switches on the Same Bus
- 0.6V VIL and 1.4V VIH for DATA and CLK
- Available in 8-Lead MSOP and S0 Packages
- Low Standby Current: 14µA
- Eight Addresses from Two Three-State Address Pins
- Internal Power-On Reset Timer
- Internal Undervoltage Lockout
- No Need for External Pull-Up Resistors at Output
- No Need for Secondary Power Source
参数
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应用
- Computer Peripheral Control
- Laptop Computer Power Plane Switching
- Portable Equipment Power Control
- Industrial Control Systems
- Handheld Equipment
典型应用图
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LTC1623 订购信息和价格参考Package Variations and Pricing
| 器件型号 |
封装 |
引脚 |
温度 |
价格 (以 1 ~ 99 片为批量) |
价格 (以 1000 片为批量) * |
| LTC1623CMS8 |
MSOP |
8 |
C |
$2.15 |
$1.85 |
| LTC1623CMS8#PBF |
MSOP |
8 |
C |
$2.15 |
$1.85 |
| LTC1623CMS8#TR |
MSOP |
8 |
C |
|
$1.91 |
| LTC1623CMS8#TRPBF |
MSOP |
8 |
C |
|
$1.91 |
| LTC1623CS8 |
SO |
8 |
C |
$1.85 |
$1.60 |
| LTC1623CS8#PBF |
SO |
8 |
C |
$1.85 |
$1.60 |
| LTC1623CS8#TR |
SO |
8 |
C |
|
$1.66 |
| LTC1623CS8#TRPBF |
SO |
8 |
C |
|
$1.66 |
| LTC1623IS8 |
SO |
8 |
I |
$2.25 |
$1.95 |
| LTC1623IS8#PBF |
SO |
8 |
I |
$2.25 |
$1.95 |
| LTC1623IS8#TR |
SO |
8 |
I |
|
$2.01 |
| LTC1623IS8#TRPBF |
SO |
6 |
I |
|
$2.01 |
LTC1623 数据手册及相关资料下载
- 数据手册(英文) : LTC1623 - SMBus Dual High-SideSwitch Controller.PDF
- 可靠性数据 : R410 Reliability Data .PDF
