参数资料
型号: IR3811MTRPBF
厂商: International Rectifier
文件页数: 6/21页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 7A 15QFN
产品培训模块: SupIRBuck™ Integrated Point-of-Load Regulators
SupIRBuck? Family and POL Design Tools Overview
产品变化通告: (EP) Parts Discontinuation 25/May/2012
标准包装: 1
系列: SupIRBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 12 V
输入电压: 2.5 V ~ 21 V
PWM 型: 电压模式
频率 - 开关: 600kHz
电流 - 输出: 7A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 15-PowerVQFN
包装: 标准包装
供应商设备封装: PQFN(5x6)
产品目录页面: 1384 (CN2011-ZH PDF)
其它名称: IR3811MTRPBFDKR
PD-60334
IR3811MPbF
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Oscillator
Frequency
F S
540
600
660
kHz
Ramp Amplitude
Min Pulse Width
Max Duty Cycle
V ramp
D min(ctrl)
D max
Note3
Note3
Fb=0V
75
1.25
80
V
ns
%
Error Amplifier
Input Bias Current
Input Bias Current
I FB1
I Vp
SS=3V
SS=3V
-0.1
-0.1
-0.5
-0.5
μ A
Input Bias Current
Source/Sink Current
I FB2
I(source/Sink)
SS=0V
30
50
50
70
70
90
Transconductance
gm
1000
1300
1600
μ mho
Input Offset Voltage
Vos
Fb to Vp
-4.5
0
+4.5
mV
Vp( (Common Mode Range)
0.2
1.0
V
Soft Start/SD
Soft Start Current
I SS
SS=0V
15
20
28
μ A
Shutdown Output Threshold
SD
0.25
V
Over Current Protection
OCSET Current
Hiccup Current
Hiccup Duty Cycle
I OCSET
I Hiccup
Hiccup(duty)
Note3
I Hiccup / I SS , Note3
15
20
3
15
26
μ A
%
Thermal Shutdown
Thermal Shutdown Threshold
140
Thermal Shutdown Hysteresis
Note3
Note3
20
o
C
Note1: Continuous output current determined by input and output voltage setting and the thermal environment.
Note2: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
Note3: Guaranteed by Design but not tested in production.
10/04/08
6
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