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參數(shù)資料
| 型號(hào)： | LM3311SQ-HIOP |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.6 A SWITCHING REGULATOR, 1280 kHz SWITCHING FREQ-MAX, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 29/32頁 |
| 文件大小： | 2504K |
| 代理商： | LM3311SQ-HIOP |
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
7.5V
SW Voltage
21V
FB Voltage
V
IN
V
C Voltage (Note 2)
1.265V ± 0.3V
SHDN Voltage
7.5V
FREQ
V
IN
AV
IN
14.5V
Amplifier Inputs/Output
Rail-to-Rail
LV
IN
7.5V
ADJ Voltage
LV
IN
V
OUT
LV
IN
VGH Voltage
31V
VGHM Voltage
VGH
VFLK, VDPM, V
DD Voltage
7.5V
CE Voltage (Note 2)
1.265 + 0.3V
RE Voltage
VGH
Maximum Junction
Temperature
150°C
Power Dissipation(Note 3)
Internally Limited
Lead Temperature
300°C
Vapor Phase (60 sec.)
215°C
Infrared (15 sec.)
220°C
ESD Susceptibility (Note 4)
Human Body Model
2kV
Operating Conditions
Operating Junction
Temperature Range (Note 5)
40°C to +125°C
Storage Temperature
65°C to +150°C
Supply Voltage
2.5V to 7V
Maximum SW Voltage
20V
VGH Voltage Range
5V to 30V
Op-Amp Supply, AV
IN
4V to 14V
LDO Supply, LV
IN
2.5V to 7V
Electrical Characteristics
Specifications in standard type face are for T
J = 25°C and those with boldface type apply over the full Operating Temperature
Range
( T
J = 40°C to +125°C). Unless otherwise specified, VIN = LVIN = 2.5V and IL = 0A.
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
Units
I
Q
Quiescent Current
FB = 2V (Not Switching)
690
1100
A
V
SHDN = 0V
0.04
0.5
8.5
660kHz Switching
2.1
2.8
mA
1.28MHz Switching
3.1
4.0
V
FB
Feedback Voltage
1.231
1.263
1.287
V
%V
FB/ΔVIN
Feedback Voltage Line
Regulation
2.5V
≤ V
IN ≤ 7V
-0.26
0.089
0.42
%/V
I
CL
Switch Current Limit (Note 7)
(Note 8)
2.0
2.6
A
I
B
FB Pin Bias Current (Note 9)
27
160
nA
I
SS
SS Pin Current
8.5
11
13.5
A
V
SS
SS Pin Voltage
1.20
1.24
1.28
V
IN
Input Voltage Range
2.5
7
V
g
m
Error Amp Transconductance
ΔI = 5A
26
74
133
mho
A
V
Error Amp Voltage Gain
69
V/V
D
MAX
Maximum Duty Cycle
f
S = 660kHz
80
91
%
f
S = 1.28MHz
80
89
f
S
Switching Frequency
FREQ = Ground
440
660
760
kHz
FREQ = V
IN
1.0
1.28
1.5
MHz
I
SHDN
Shutdown Pin Current
V
SHDN = 2.5V
8
13.5
A
V
SHDN = 0.3V
1
2
I
L
Switch Leakage Current
V
SW = 20V
0.03
5
A
R
DSON
Switch R
DSON
I
SW = 500mA
0.18
0.35
Th
SHDN
SHDN Threshold
Output High, V
IN = 2.5V to 7V
1.4
V
Output Low, V
IN = 2.5V to 7V
0.4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3311SQ-HIOP/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(fēng)格: 封裝 / 箱體:CPAK |
| LM3311SQX | 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(fēng)格: 封裝 / 箱體:CPAK |
| LM3311SQX/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(fēng)格: 封裝 / 箱體:CPAK |
| LM3311SQX-HIOP | 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(fēng)格: 封裝 / 箱體:CPAK |
| LM3311SQX-HIOP/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(fēng)格: 封裝 / 箱體:CPAK |
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