|
订阅资讯
|
取消
热门搜索
65131 54202
会员登录
会员登录
登录
概述
The LP6450X is a synchronous buck converter supporting up to 2A output current. The LP6450X employs an adaptive constant-on-time (COT) control scheme to achieve fast load transient response. The external components are minimized, requiring only one inductor, two resistors, and two capacitors.The LP6450X supports both aluminum polymer capacitors and ceramic capacitors without extra compensation components.
The LP6450X integrates PFM (Pulse Frequency Modulation) operation, which helps maintain the system efficiency at light load. The LP6450X also integrates multiple protection functions, i.e., over-current protection (OCP), over-temperature protection (OTP), unddervoltage lockout (UVLO), and short circuit protection (SCP).The LP6450X is available in a small 6-pin 1.6mmΧ2.9mm SOT23-6 package.
应用
◆ Industrial PC
◆ Network/digital video recorder (NVR/DVR)
◆ TV and TV box
◆ 12V Industrial bus applications
数据参数
数据参数
输入电压(V)
4.2~18
输出电压(V)
0.768~7
FB电压(V)
0.768
电压精度
±1%
工作频率(Hz)
1.2M
最大输出电流(A)
2
输出通道数量
1
工作模式
Syn.
EN控制
Y
轻负载模式
FCCM
产品特征/功能
COT,Internal Soft Start,OCP,SCP,OTP
封装
SOT23-6
特征
特征
◆ Wide input voltage range: 4.2V – 18V
◆ Output voltage range: Vref – 7V
◆ High efficiency operation
- Integrated an 75-mΩ LS-MOSFET and an 110-mΩ HS-MOSFET
- 90% efficiency at 2A load from 12V to 5V conversion
◆ Automatic PFM mode at light load
◆ ±1% Vref accuracy
◆ Typical 1.2-MHz switching frequency
◆ COT control scheme with fast load transient response
◆ Hiccup protection
◆ Integrated UVLO, OCP, SCP, and OTP protections
◆ 1.25ms typical soft-start time
◆ 1.6mm Χ 2.9mm SOT23-6 package
◆ RoHS Compliant and 100% Lead (Pb) Free
转存邮箱
转存
订阅资讯
订阅
会员登录
登录