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产品型号

输入电压
范围(V)

最大输出
电流(A)

频率
(kHz)

待机电流
(uA)

软启动

功率管
内/外置

同步/异步

CC/CV

补偿

控制结构

封装类型

包装

注释

PL8311

4.5-32

1.5

150

130

内置
Internal

同步

CC/CV

内置
Internal

峰值电流

SOP8

4K/盘

功能兼容:
MP2451/SY8201

36V, 1.5A Monolithic Step-Down Switching Regulator

Features

1.5A continuous output current capability
4.5V to 36V wide operating input range with 33V input Over Voltage Protection
Integrated 36V, 250mΩ high side and 36V, 140mΩ low side power MOSFET switches
Up to 97% efficiency
Internal Soft-Start limits the inrush current at turn-on
Internal compensation to save external components
Input Under-Voltage Lockout
Input over-voltage protection to protect device from
working in high voltage and high current condition
Output Over-Voltage Protection
Output short protection with both high side current
limit and low side current limit to protect the device in hard short
Over-Temperature Protection
Pulse skip mode at light load to improve light load efficiency
Stable with Low ESR Ceramic Output Capacitors
Fixed 150KHz Switching Frequency
Fewest external components and intensive internal protection features
Available in SOP-8 package

Description

PL8311 is a monolithic 36V, 1.5A step-down

switching regulator. PL8311 integrates a 36V 250mΩ

high side and a 36V, 140mΩ low side MOSFETs to

provide 1.5A continuous load current over a 4.5V to

36V wide operating input voltage with 33V input over

voltage protection. Peak current mode control

provides fast transient responses and cycle-by-cycle

current limiting.

PL8311 has configurable line drop compensation,

configurable charging current limit. CC/CV mode

control provides a smooth transition between

constant current charging and constant voltage

charging stages. Built-in soft-start prevents inrush

current at power-up.

Typical Application Schematic

Applications

USB car charger
Portable charging device
General purpose DC-DC conversion

产品中心

PL8311 36V,1.5A Monolithic Step-Down Switching Regulator

产品详情

36V, 1.5A Monolithic Step-Down Switching Regulator

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