參數(shù)資料
型號： LM3311
廠商： National Semiconductor Corporation
元件分類： 基準電壓源/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，運算放大器和開關(guān)門脈沖調(diào)制器
文件頁數(shù)： 7/29頁
文件大?。?/td> 2052K
代理商： LM3311
Electrical Characteristics
(Continued)
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)
2.5
Typ
(Note 6)
2.4
2.3
2.7
Max
(Note 5)
Units
UVP
Undervoltage Protection
Threshold
On Threshold (Switch On)
Off Threshold (Switch Off)
FREQ = V
IN
= 2.5V
V
2.1
13.5
I
FREQ
FREQ Pin Current
μA
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 AV
IN
= 8V.
Operational Amplifier
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
Units
V
OS
Input Offset Voltage
Buffer configuration, V
O
=
AV
IN
/2, no load
Buffer configuration, V
O
=
AV
IN
/2, no load (Note 9)
Buffer, R
L
=2k
, V
O
min.
Buffer, R
L
=2k
, V
O
max.
5.7
15
mV
I
B
Input Bias Current (POS Pin)
200
550
nA
V
OUT
Swing
0.001
7.97
0.03
V
7.9
4
AV
IN
Is+
I
OUT
Supply Voltage
Supply Current
Output Current
12
7.8
195
175
V
Buffer, V
O
= AV
IN
/2, No Load
Source
Sink
1.5
138
135
mA
90
105
mA
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.
Gate Pulse Modulation
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
1.4
Units
VFLK
VFLK Voltage Levels
Rising edge threshold
Falling edge threshold
Rising edge threshold
Falling edge threshold
VGHM = 30V
VGHM = 5V
VFLK = 1.5V
VFLK = 0.3V
VDPM = 1.5V
VDPM = 0.3V
VGH = 30V, VFLK High
VGH = 30V, VFLK Low
20mA Current, VGH = 30V
20mA Current, VGH = VGHM
= 30V
VDPM is Low, VGHM = 2V
CE = 0V
V
0.4
VDPM
VDPM Voltage Levels
1.4
V
0.4
2.8
0.4
V
DD(TH)
V
DD
Threshold
3
3.3
0.7
11
2.5
11
2.5
300
35.5
28.5
V
0.5
4.8
1.1
4.8
1.1
59
11
14
I
VFLK
VFLK Current
μA
I
VDPM
VDPM Current
μA
I
VGH
VGH Bias Current
μA
R
VGH-VGHM
R
VGHM-RE
VGH to VGHM Resistance
VGHM to RE Resistance
27
55
R
VGHM(OFF)
I
CE
V
CE(TH)
VGH Resistance
CE Current
CE Voltage Threshold
1.2
57
1.22
1.7
71
1.30
k
μA
V
40
1.16
L
www.national.com
7
相關(guān)PDF資料
PDF描述
LM3311SQX Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch
LM3311SQ Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch
LM3354MMX-5.0 Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter
LM3354MMX-4.1 Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter
LM3354MM-1.8 Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter
相關(guān)代理商/技術(shù)參數(shù)
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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝: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® 供應商設備封裝: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 安裝風格: 封裝 / 箱體:CPAK
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*