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参数资料
| 型号： | LM3822MM-2.0/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封装： | MSOP-8 |
| 文件页数： | 7/13页 |
| 文件大小： | 312K |
| 代理商： | LM3822MM-2.0/NOPB |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Absolute Maximum Supply Voltage
5.5V
Power Dissipation
ESD Susceptibility (Note 3)
1.5 kV
Sense Current (peak, for 200 msec) (Note 4)
10A
Sink Current for PWM pin
1mA
Maximum Junction Temperature
150C
Storage Temperature
65C to +150C
Lead Temperature (Soldering, 10 sec)
260C
Operating Ratings (Note 1)
Input Voltage
2.0V to 5.25V
Sense Current (continuous) (Note 4)
5A
Junction Temperature Range
40C to +85C
Electrical Characteristics Typical numbers are at 25C and represent the most likely parametric norm.
Specifications in standard type face are for T
J = 25C and those with boldface type apply over full operating temperature
ranges.
LM3822-1.0
SENSE+V
DD = 3.6V for the following specifications. Supply bypass capacitor is 1 F and filter capacitor is 0.1 F.
Symbol
Parameter
Conditions
Typ
Limit
Units
I
ACC
Average Current Accuracy
1.0A current
1.0
A
0.98 / 0.96
A (min)
1.02 / 1.04
A (max)
e
n
Effective Output Noise (rms)
2
mA
LM3822-2.0
SENSE+V
DD = 3.6V for the following specifications. Supply bypass capacitor is 1 F and filter capacitor is 0.1 F.
Symbol
Parameter
Conditions
Typ
Limit
Units
I
ACC
Average Current Accuracy
2.0A current (Note 8)
2.0
A
1.94 / 1.90
A (min)
2.06 / 2.10
A (max)
e
n
Effective Output Noise (rms)
6
mA
Common Device Parameters
Unless otherwise specified, V
DD = 3.6V for the following specifications. Supply bypass capacitor is 1 F and filter capacitor is
0.1 F.
Symbol
Parameter
Conditions
Typ
Limit
Units
I
Q1
Quiescent Current
Normal Mode, SD = high
95
A
150
A (max)
I
Q2
Quiescent Current
Shutdown Mode, SD = low
1.8
A
10
A (max)
D
RES
PWM Resolution
0.1
%
t
S
Sampling Time
50
ms
40
ms (min)
80
ms (max)
f
P
Frequency of PWM Waveform
20
Hz
12.5
Hz (min)
25
Hz (max)
V
TH
Threshold High Level for SD
1.3
V
1.8
V (min)
LM3822
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| LM3822MMX-2.0 | 功能描述:IC CURRENT GAUGE PRECISION 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳流/电流管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 功能:电流开关 检测方法:- 精确度:±10% 输入电压:1.7 V ~ 5.5 V 电流 - 输出:600mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFQFN 供应商设备封装:10-UTQFN（1.4x1.8） 包装:管件 |
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| LM3824MM-1.0/NOPB | 功能描述:IC CURRENT GAUGE 3% 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳流/电流管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 功能:电流开关 检测方法:- 精确度:±10% 输入电压:1.7 V ~ 5.5 V 电流 - 输出:600mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFQFN 供应商设备封装:10-UTQFN（1.4x1.8） 包装:管件 |
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