SC493
Product inactive. Information on this page is for reference only.
The SC493 is a synchronous EcoSpeed® buck power supply controller. It features an I2C interface and a bootstrap switch in a space-saving MLPQ 3X3-20 pin package. The SC493 uses Semtech’s advanced patented adaptive on-time control architecture to provide excellent light load efficiency and fast transient
response with small external components.
功能
- Input supply voltage range — 3.0V to 28V
- Controller supply voltage range — 3.0V to 5.5V
- All ceramic solution enabled
- I2C interface
- Output voltage fine adjust control
- Output voltage margining
- Supports dynamic voltage transitions via the I2C interface
- Programmable power-on delay time and soft-start time
- EcoSpeed™ architecture with pseudo fixed-frequency adaptive on-time control
- Switching frequency programmable up to 1MHz
- Selectable power save, including ultrasonic
- Non-synchronous start-up into pre-biased loads
- Over-voltage/under-voltage fault protection
- Smart power save
- Power good Output
- Smart drive™
- Status register monitoring device operation
- Ulrta-thin package — 3 x 3 x 0.6 (mm), 20 pin MLPQ-UT
- Lead-free and halogen-free
- WEEE and RoHS compliant
I2C — logo is a trademark of NXP B.V.
- Printers
- Computer peripherals
应用
封装
- MLPQ-UT-20
订购代码
- SC493ULTRT
- SC493EVB; SC493 Evaluation Board
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC493
产品描述
STEP-DOWN CONTROLLER WITH IC INTERFACE
引脚数
20
封装类型
MLPQ-UT
Pb-Free (2)
是
Reflow Temp °C (3)
260
引脚或焊球镀层
MATTE Sn
MSL 等级
1
JIG 101 A & B (12)
是
WEEE 2012/19/EU (19)
是
China RoHS 2 GB/T 26572-2011
是下载报告
RoHS Compliant by Exception (8)
否
Whisker Testing (10)
热循环锡须测试
（-40°C 至 +85°C / 4000 循环）
（-40°C 至 +85°C / 4000 循环）
是
环境温度存储，锡须测试
（50°C，4000 小时）
（50°C，4000 小时）
是
60°C/90% 相对湿度 4000 小时，锡须测试
是
声明和报告
IPC-1752-2
Datasheets & Documentation
mySemtech
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