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參數(shù)資料
| 型號： | LM1949N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 外設及接口 |
| 英文描述： | LM1949 Injector Drive Controller |
| 中文描述： | 0.022 A BUF OR INV BASED PRPHL DRVR, PDIP8 |
| 封裝： | MINI, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 214K |
| 代理商： | LM1949N |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage
8V
Power Dissipation (Note 1)
1235 mW
Input Voltage Range
b
0.3V to V
CC
b
40
§
C to
a
125
§
C
b
65
§
C to
a
150
§
C
Operating Temperature Range
Storage Temperature Range
Junction Temperature
150
§
C
260
§
C
Lead Temp. (Soldering 10 sec.)
Electrical Characteristics
(V
CC
e
5.5V, V
IN
e
2.4V, T
j
e
25
§
C,Figure 1, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
CC
Supply Current
Off
Peak
Hold
V
IN
e
0V
Pin 8
e
0V
Pin 8 Open
11
28
16
23
54
26
mA
mA
mA
V
OH
Input On Level
V
CC
e
5.5V
V
CC
e
3.0V
1.4
1.2
2.4
1.6
V
V
V
OL
Input Off Level
V
CC
e
5.5V
V
CC
e
3.0V
1.0
0.7
1.35
1.15
V
V
I
B
Input Current
b
25
3
a
25
m
A
I
OP
Output Current
Peak
Hold
Pin 8
e
0V
Pin 8 Open
b
10
b
1.5
b
22
b
5
mA
mA
V
S
Output Saturation Voltage
10 mA, V
IN
e
0V
0.2
0.4
V
Sense Input
V
p
V
H
Peak Threshold
Hold Reference
V
CC
e
4.75V
350
88
386
94
415
102
mV
mV
t
Time-out, t
t
d
R
T
C
T
90
100
110
%
NOTE 1:
For operation in ambient temperatures above 25
§
C, the device must be derated based on a 150
§
C maximum junction temperature and a thermal
resistance of 100
§
C/W junction to ambient.
Typical Circuit Waveforms
TL/H/5062–2
2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM1949N/NOPB | 功能描述:開關變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| LM1949N/NOPB | 制造商:Texas Instruments 功能描述:Power Driver IC |
| LM194C | 制造商:Texas Instruments 功能描述: |
| LM194H/883 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM194/LM394 Supermatch Pair |
| LM194H-MCP | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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