參數(shù)資料
型號(hào)： LM3814MX-1.0/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： 0.150 INCH, PLASTIC, SOP-8
文件頁(yè)數(shù)： 8/14頁(yè)
文件大?。?/td> 711K
代理商： LM3814MX-1.0/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
相關(guān)PDF資料
PDF描述
LM3815MX-1.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3814M-1.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3815MX-7.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3814M-7.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3814X-1.0 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3814MX-7.0 功能描述:IC CURRENT GAUGE 6% 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 功能:電流開(kāi)關(guān) 檢測(cè)方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應(yīng)商設(shè)備封裝:10-UTQFN（1.4x1.8） 包裝:管件
LM3815 制造商:NSC 制造商全稱: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 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 功能:電流開(kāi)關(guān) 檢測(cè)方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應(yīng)商設(shè)備封裝:10-UTQFN（1.4x1.8） 包裝:管件
LM3815M-7.0 制造商:Texas Instruments 功能描述:
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