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參數(shù)資料
| 型號： | LM3824MMX-2.0/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 265K |
| 代理商： | LM3824MMX-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
(Note 2)
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.
LM3824-1.0
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
(Note 5)
Limit
(Note 6)
Units
I
ACC
Average Current Accuracy
(Note 7)
1.0A current
1.0
A
0.97 / 0.95
A (min)
1.03 / 1.05
A (max)
e
n
Effective Output Noise (rms)
12
mA
LM3824-2.0
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
(Note 5)
Limit
(Note 6)
Units
I
ACC
Average Current Accuracy
(Note 7)
2.0A current (Note 8)
2.0
A
1.88 / 1.84
A (min)
2.12 / 2.16
A (max)
e
n
Effective Output Noise (rms)
36
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
(Note 5)
Limit
(Note 6)
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
0.8
%
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
1.3
V
1.8
V (min)
LM3824
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