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参数资料
| 型号： | LM3814M-7.0/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件页数： | 8/14页 |
| 文件大小： | 711K |
| 代理商： | LM3814M-7.0/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
1 mA
Voltage on Pin 5
5.25V
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)
7A
Junction Temperature Range
40C to +125C
Electrical Characteristics
LM3814-1.0, LM3815-1.0
V
DD = 5.0V for the following specifications. Supply bypass capacitor is 1F and filter capacitor is 0.1F.
Symbol
Parameter
Conditions
Typ
Limit
Units
I
ACC
Average Current Accuracy
at 0.9A current
0.9
A
0.868 / 0.850
A (min)
0.932 / 0.950
A (max)
e
n
Effective Output Noise (rms)
12
mA
LM3814-7.0, LM3815-7.0
V
DD = 5.0V for the following specifications. Supply bypass capacitor is 1F and filter capacitor is 0.1F.
Symbol
Parameter
Conditions
Typ
Limit
Units
I
ACC
Average Current Accuracy
at 2.5A current (Note 8)
2.5
A
2.350 / 2.288
A (min)
2.650 / 2.712
A (max)
e
n
Effective Output Noise (rms)
120
mA
Common Device Parameters
Unless otherwise specified, V
DD = 5.0V for the following specifications. Supply bypass capacitor is 1F and filter capacitor is
0.1F.
Symbol
Parameter
Conditions
Typ
Limit
Units
I
Q1
Quiescent Current
Normal Mode, SD = high
100
A
160
A (max)
I
Q2
Quiescent Current
Shutdown Mode, SD = low
2.5
A
10
A (max)
D
RES
PWM Resolution
0.8
%
t
S
Sampling Time
6
ms
4
ms (min)
10
ms (max)
f
P
Frequency of PWM Waveform
160
Hz
100
Hz (min)
250
Hz (max)
V
TH
Threshold High Level for SD
1.2
V
1.8
V (min)
V
TL
Threshold Low Level for SD
1.3
V
0.7
V (max)
V
OH
Logic High Level for PWM
Load current = 1mA, 2V
≤ V
DD
≤
5.25V
V
DD 0.05
V
DD 0.2
V
V (min)
LM3814/LM3815
www.national.com
3
相关PDF资料 |
PDF描述 |
|---|---|
| LM3814X-1.0 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LM3815X-7.0 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LM3814X-7.0 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LM3814-7.0 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LM3815-1.0 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM3814MX-1.0 | 功能描述:IC CURRENT GAUGE 3.5% 8SOIC 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 |
| LM3814MX-7.0 | 功能描述:IC CURRENT GAUGE 6% 8SOIC 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 |
| LM3815 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Fast Current Gauge IC with Ultra Low Loss Sense Element and PWM Output |
| LM3815M-1.0 | 制造商:Texas Instruments 功能描述: |
| LM3815M-1.0/NOPB | 功能描述:IC CURRENT GAUGE PREC 8-SOIC 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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