參數(shù)資料
型號(hào)： LM3310
廠商： National Semiconductor Corporation
英文描述： Step-up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch
中文描述： 升壓PWM直流/直流轉(zhuǎn)換器集成的運(yùn)算放大器和脈沖調(diào)制開關(guān)門
文件頁數(shù)： 5/25頁
文件大小： 1668K
代理商： LM3310
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
SW Voltage
FB Voltage
V
C
Voltage (Note 2)
SHDN Voltage
FREQ
AV
IN
Amplifier Inputs/Output
VGH Voltage
VGHM Voltage
VFLK, VDPM, V
DD
Voltage
CE Voltage (Note 2)
RE Voltage
Maximum Junction
Temperature
7.5V
21V
V
IN
1.265V
±
0.3V
7.5V
V
IN
12V
Rail-to-Rail
31V
VGH
7.5V
1.265 + 0.3V
VGH
150C
Power Dissipation(Note 3)
Lead Temperature
Vapor Phase (60 sec.)
Infrared (15 sec.)
ESD Susceptibility (Note 4)
Human Body Model
Internally Limited
300C
215C
220C
2kV
Operating Conditions
Operating Junction
Temperature Range (Note 5)
Storage Temperature
Supply Voltage
Maximum SW Voltage
VGH Voltage Range
Op-Amp Supply, AV
IN
40C to +125C
65C to +150C
2.5V to 7V
20V
5V to 30V
4V to 12V
Electrical Characteristics V
IN
=2.5V and I
L
= 0A
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
=2.5V and I
L
= 0A.
Symbol
Parameter
Conditions
Quiescent Current
FB = 2V (Not Switching)
V
SHDN
= 0V
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
690
Units
I
Q
1100
0.5
8.5
2.8
4.0
1.287
0.42
μA
0.04
660kHz Switching
1.28MHz Switching
2.1
3.1
1.263
0.089
mA
V
FB
%V
FB
/
V
IN
Feedback Voltage
Feedback Voltage Line
Regulation
Switch Current Limit (Note 7)
FB Pin Bias Current (Note 9)
SS Pin Current
SS Pin Voltage
Input Voltage Range
Error Amp Transconductance
I = 5μA
Error Amp Voltage Gain
Maximum Duty Cycle
1.231
-0.26
V
2.5V
≤
V
IN
≤
7V
%/V
I
CL
I
B
I
SS
V
SS
V
IN
g
m
A
V
D
MAX
(Note 8)
2.0
2.6
27
11
1.24
A
nA
μA
V
V
160
13.5
1.28
7
133
8.5
1.20
2.5
26
74
69
91
89
660
1.28
8
1
0.03
0.18
μmho
V/V
f
S
= 660kHz
f
S
= 1.28MHz
FREQ = Ground
FREQ = V
IN
V
SHDN
= 2.5V
V
SHDN
= 0.3V
V
SW
= 20V
I
SW
= 500mA
Output High, V
IN
= 2.5V to
7V
Output Low, V
IN
= 2.5V to 7V
On Threshold (Switch On)
Off Threshold (Switch Off)
80
80
440
1.0
%
f
S
Switching Frequency
760
1.5
13.5
2
5
0.35
kHz
MHz
μA
I
SHDN
Shutdown Pin Current
I
L
R
DSON
Th
SHDN
Switch Leakage Current
Switch R
DSON
SHDN Threshold
μA
V
1.4
0.4
UVP
Undervoltage Protection
Threshold
2.5
2.4
2.3
V
2.1
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3310_07 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Step-Up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch
LM3310SQ 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
LM3310SQ/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
LM3310SQX 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
LM3310SQX/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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