參數(shù)資料
型號(hào)： LM3311
廠商： National Semiconductor Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch
中文描述： 升壓的PWM直流/直流集成穩(wěn)壓器，運(yùn)算放大器和開關(guān)門脈沖調(diào)制器
文件頁數(shù)： 6/29頁
文件大?。?/td> 2052K
代理商： LM3311
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
LV
IN
ADJ Voltage
V
OUT
VGH Voltage
VGHM Voltage
VFLK, VDPM, V
DD
Voltage
CE Voltage (Note 2)
RE Voltage
7.5V
21V
V
IN
1.265V
±
0.3V
7.5V
V
IN
12V
Rail-to-Rail
7.5V
LV
IN
LV
IN
31V
VGH
7.5V
1.265 + 0.3V
VGH
Maximum Junction
Temperature
Power Dissipation(Note 3)
Lead Temperature
Vapor Phase (60 sec.)
Infrared (15 sec.)
ESD Susceptibility (Note 4)
Human Body Model
150C
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
LDO Supply, LV
IN
40C to +125C
65C to +150C
2.5V to 7V
20V
5V to 30V
4V to 12V
2.5V to 7V
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
= LV
IN
= 2.5V and I
L
= 0A.
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 6)
690
Max
(Note 5)
1100
0.5
8.5
2.8
4.0
1.287
Units
I
Q
Quiescent Current
FB = 2V (Not Switching)
V
SHDN
= 0V
μA
0.04
660kHz Switching
1.28MHz Switching
2.1
3.1
1.263
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
V
2.5V
≤
V
IN
≤
7V
-0.26
0.089
0.42
%/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
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
L
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參數(shù)描述
LM3311_07 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch
LM3311SQ 制造商:Texas Instruments 功能描述:CONVERTER DC/DC STEP UP LLP-24
LM3311SQ/NOPB 功能描述:IC REG BOOST ADJ 2A DL 24LLP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應(yīng)商設(shè)備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR
LM3311SQ-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
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
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