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參數(shù)資料
| 型號： | LM3812MX-1.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Precision Current Gauge IC with Ultra Low Loss Sense Element and PWM Output |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 258K |
| 代理商： | LM3812MX-1.0 |
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
Power Dissipation
ESD Susceptibility (Note 3)
Sense Current (peak, for 200 msec) (Note 4)
Sink Current for PWM pin
Voltage on Pin 5
5.5V
(Note 2)
1.5 kV
10A
1mA
5.25V
Maximum Junction Temperature
Storage Temperature
Lead Temperature (Soldering, 10 sec)
150C
65C to +150C
260C
Operating Ratings
(Note 1)
Input Voltage
Sense Current (continuous) (Note 4)
Junction Temperature Range
2.0V to 5.25V
7A
40C to +125C
Electrical Characteristics
LM3812-1.0, LM3813-1.0
V
DD
= 5.0V for the following specifications. Supply bypass capacitor is 1 μF and filter capacitor is 0.1 μF.
Symbol
Parameter
Conditions
Typ
(Note 5)
0.9
Limit
(Note 6)
Units
I
ACC
Average Current Accuracy
(Note 7)
at 0.9A current
A
0.882 /
0.864
0.918 /
0.936
A (min)
A (max)
mA
e
n
Effective Output Noise (rms)
2
LM3812-7.0, LM3813-7.0
V
DD
= 5.0V for the following specifications. Supply bypass capacitor is 1 μF and filter capacitor is 0.1 μF.
Symbol
Parameter
Conditions
Typ
(Note 5)
2.5
Limit
(Note 6)
Units
I
ACC
Average Current Accuracy
(Note 7)
at 2.5A current (Note 8)
A
2.400 /
2.350
2.600 /
2.650
A (min)
A (max)
mA
e
n
Effective Output Noise (rms)
20
Common Device Parameters
Unless otherwise specified, V
DD
= 5.0V for the following specifications. Supply bypass capacitor is 1 μF and filter capacitor is
0.1 μF.
Symbol
Parameter
Conditions
Typ
(Note 5)
100
Limit
(Note 6)
Units
I
Q1
Quiescent Current
Normal Mode, SD = high
μA
160
μA (max)
μA
μA (max)
%
ms
ms (min)
ms (max)
Hz
Hz (min)
Hz (max)
V
V (min)
V
V (max)
I
Q2
Quiescent Current
Shutdown Mode, SD = low
2.5
10
D
RES
t
S
PWM Resolution
Sampling Time
0.1
52
40
80
f
P
Frequency of PWM Waveform
20
12.5
25
V
TH
Threshold High Level for SD
1.2
1.8
V
TL
Threshold Low Level for SD
1.3
0.7
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| LM3812MX-7.0 | 功能描述:IC CURRENT GAUGE 4% 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:電流開關(guān) 檢測方法:- 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 |
| LM3812PM-1.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Sense Gauge |
| LM3812PM-7.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Sense Gauge |
| LM3813 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Precision Current Gauge IC with Ultra Low Loss Sense Element and PWM Output |
| LM3813EVAL | 功能描述:EVALUATION BOARD FOR LM3813 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
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