参数资料
型号: IR3871MTRPBF
厂商: International Rectifier
文件页数: 9/21页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 8A PQFN
产品培训模块: SupIRBuck? Family and POL Design Tools Overview
标准包装: 4,000
系列: SupIRBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.5 V ~ 12 V
输入电压: 3 V ~ 26 V
频率 - 开关: 可调至 1MHz
电流 - 输出: 8A
同步整流器:
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 17-PowerVQFN
包装: 带卷 (TR)
供应商设备封装: PQFN(5x6)
其它名称: Q5214926
IR3871MPBF
TYPICAL OPERATING DATA
Tested with demoboard shown in Figure 7, VIN = 12V, VCC = 5V, Vout = 1.05V, Fs = 300kHz, T A = 25 o C, no airflow,
unless otherwise specified
EN
PGOOD
SS
VOUT
EN
PGOOD
SS
VOUT
5V/div 5V/div 1V/div 500mV/div
5ms/div
5V/div 5V/div 1V/div 500mV/div
200μs/div
VOUT
PHASE
i L
Figure 8: Startup
Figure 9: Shutdown
VOUT
PHASE
i L
20mV/div 5V/div 2A/div
10μs/div
20mV/div 5V/div 5A/div
2μs/div
PGOOD
SS
VOUT
IOUT
Figure 10: DCM (I OUT = 0.1A)
Figure 11: CCM (I OUT = 6A)
PGOOD
FB
VOUT
i L
5V/div 1V/div 1V/div 10A/div
1ms/div
5V/div 1V/div 500mV/div 2A/div
50μs/div
Figure 12: Over Current Protection
(tested by shorting VOUT to PGND)
Figure 13: Over Voltage Protection
(tested by shorting FB to V OUT )
9
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相关代理商/技术参数
参数描述
IR3876MBF 制造商:IRF 制造商全称:International Rectifier 功能描述:12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
IR3876MPBF 制造商:IRF 制造商全称:International Rectifier 功能描述:12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
IR3876MTR1PBF 功能描述:直流/直流开关调节器 12A SupIRBuck Reg 1000kHz, 3.0-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
IR3876MTRPBF 功能描述:直流/直流开关调节器 12A SupIRBuck Reg 1000kHz, 3.0-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
IR3876TR1PBF 制造商:IRF 制造商全称:International Rectifier 功能描述:12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR