参数资料
型号: IR3831MTRPBF
厂商: International Rectifier
文件页数: 5/31页
文件大小: 0K
描述: IC REG SYNC SUPIRBUCK 8A 5X6QFN
标准包装: 4,000
系列: SupIRBuck™
应用: 转换器,DDR
输入电压: 1.5 V ~ 16 V
输出数: 1
输出电压: 0.6 V ~ 14.4 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 15-PowerVQFN
供应商设备封装: PQFN(5x6)
包装: 带卷 (TR)
IR3831MPbF
Recommended Operating Conditions
C
Symbol
V in
V cc
Boot to SW
V o
I o
Fs
T j
Definition
Input Voltage
Supply Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
Junction Temperature
Min
1.0
4.5
4.5
0.6
0
225
-40
Max
16
5.5
5.5
0.90*Vin
8
1650
125
Units
V
A
kHz
o
Electrical Specifications
Unless otherwise specified, these specification apply over 4.5V< V cc <5.5V, Vp=0.6V, V in =12V,
0 o C<T j < 125 o C. Typical values are specified at T a = 25 o C.
Parameter
Symbol
Test Condition
Min
TYP
MAX
Units
Power Loss
Power Loss
P loss
Vcc=5V, V in =12V, V o =0.75V, I o =8A,
Fs=400kHz, L=0.6uH, Note4
1.28
W
MOSFET R ds(on)
V Boot -V sw =5V, I D =10A, Tj= 25 C
Top Switch
R ds(on)_Top
o
16.7
23
V cc =5V, I D =10A, Tj= 25 C
Bottom Switch
R ds(on)_Bot
o
8.7
12
m Ω
Supply Current
V CC Supply Current (Standby)
V cc Supply Current (Dyn)
I CC(Standby)
I CC(Dyn)
SS=0V, No Switching, Enable low
SS=3V, Vcc=5V, Fs=500kHz
Enable high
12
500
μ A
mA
Under Voltage Lockout
V CC -Start-Threshold
V CC -Stop-Threshold
V CC _UVLO_Start
V CC _UVLO_Stop
Vcc Rising Trip Level
Vcc Falling Trip Level
4.06
3.76
4.26
3.96
4.46
4.16
V CC -Hysteresis
Enable-Start-Threshold
Enable-Stop-Threshold
Enable-Hysteresis
Enable leakage current
Vcc-Hys
Enable_UVLO_Start
Enable_UVLO_Stop
Enable_Hys
Ien
Supply ramping up and down
Supply ramping up
Supply ramping down
Supply ramping up and down
Enable=3.3V
0.25
1.14
0.9
0.16
0.3
1.2
1.0
0.2
0.38
1.36
1.06
0.24
18
V
μ A
11/05/10
5
相关PDF资料
PDF描述
IR3831WMTRPBF IC REG SYNC SUPIRBUCK DDR 8A QFN
IR3832WMTRPBF IC REG SYNC SUPIRBUCK DDR 4A QFN
IR3837MTRPBF IC REG BUCK SYNC ADJ 14A PQFN17
IR3838MTR1PBF IC REG BUCK SYNC ADJ 10A PQFN17
IR3839MTRPBF IC REG BUCK SYNC ADJ 6A PQFN17
相关代理商/技术参数
参数描述
IR3831WMPBF 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
IR3831WMPBF_1 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
IR3831WMPBF_11 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
IR3831WMTR1PBF 功能描述:直流/直流开关调节器 8A SupIRBuck Reg 250-1500kHz, 1.5-16V 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
IR3831WMTRPBF 功能描述:直流/直流开关调节器 8A SupIRBuck Reg 250-1500kHz, 1.5-16V 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