參數(shù)資料
型號： LM2622MM-ADJ
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 600kHz/1.3MHz Step-up PWM DC/DC Converter
中文描述： 2.3 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO8
封裝： PLASTIC, MSOP-8
文件頁數(shù)： 4/16頁
文件大?。?/td> 429K
代理商： LM2622MM-ADJ
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
V
IN
SW Voltage
FB Voltage
V
C
Voltage
SHDN Voltage
FSLCT
Maximum Junction
Temperature
Power Dissipation(Note 2)
Lead Temperature
12V
18V
7V
7V
7V
12V
150C
Internally Limited
300C
Vapor Phase (60 sec.)
Infrared (15 sec.)
ESD Susceptibility
(Note 3)
Human Body Model
Machine Model
215C
220C
2kV
200V
Operating Conditions
Operating Junction
Temperature Range (Note 4)
Storage Temperature
Supply Voltage
40C to +125C
65C to +150C
2V to 12V
Electrical Characteristics
Specifications in standard type face are for T
= 25C and those with
boldface type
apply over the full
Operating Tempera-
ture Range
( T
J
= 40C to +125C)Unless otherwise specified. V
IN
=2.0V and I
L
= 0A, unless otherwise specified.
Symbol
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
1.3
5
1.26
1.65
6.7
0.013
Max
(Note 4)
2.0
10
1.2915
2.3
Units
I
Q
Quiescent Current
FB = 0V (Not Switching)
V
SHDN
= 0V
mA
μA
V
A
mV/A
%/V
V
FB
I
CL
(Note 6)
V
O
/
I
LOAD
%V
FB
/
V
IN
Feedback Voltage
Switch Current Limit
Load Regulation
Feedback Voltage Line
Regulation
FB Pin Bias Current (Note 8)
Input Voltage Range
Error Amp Transconductance
I = 5μA
Error Amp Voltage Gain
Maximum Duty Cycle
Switching Frequency
1.2285
1.0
V
IN
= 2.7V (Note 7)
V
IN
= 3.3V
2.0V
≤
V
IN
≤
12.0V
0.1
I
B
V
IN
g
m
A
V
D
MAX
f
S
0.5
20
12
290
nA
V
2
40
135
135
85
600
1.25
0.01
0.5
0.01
0.2
0.6
0.6
1.92
1.82
235
225
220
200
195
μmho
V/V
%
kHz
MHz
μA
78
480
1
FSLCT = Ground
FSLCT = V
IN
V
SHDN
= V
IN
V
SHDN
= 0V
V
SW
= 18V
V
IN
= 2.7V, I
SW
= 1A
Output High
Output Low
720
1.5
0.1
-1
3
0.4
I
SHDN
Shutdown Pin Current
I
L
R
DSON
Th
SHDN
Switch Leakage Current
Switch R
DSON
SHDN Threshold
μA
V
V
V
V
C/W
0.9
0.3
2.0
1.9
UVP
On Threshold
Off Threshold
Thermal Resistance
1.8
1.7
θ
JA
Junction to Ambient(Note 9)
Junction to Ambient(Note 10)
Junction to Ambient(Note 11)
Junction to Ambient(Note 12)
Junction to Ambient(Note 13)
Note 1:
Absolute maximum ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions for which the device is intended to
be functional, but device parameter specifications may not be guaranteed. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
The maximum allowable power dissipation is a function of the maximum junction temperature, T
J
(MAX), the junction-to-ambient thermal resistance,
θ
JA
,
and the ambient temperature, T
A
. See the Electrical Characteristics table for the thermal resistance of various layouts. The maximum allowable power dissipation
at any ambient temperature is calculated using: P
D
(MAX) = (T
J(MAX)
T
A
)/
θ
JA
. Exceeding the maximum allowable power dissipation will cause excessive die
temperature, and the regulator will go into thermal shutdown.
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2622MM-ADJ/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
LM2622MMX-ADJ 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Up 2V to 12V 8-Pin MSOP T/R
LM2622MMX-ADJ/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
LM2623 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
LM2623_04 制造商:NSC 制造商全稱:National Semiconductor 功能描述:General Purpose, Gated Oscillator Based, DC/DC Boost Converter
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