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參數(shù)資料
| 型號： | LM3311SQX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch |
| 中文描述： | 2.6 A SWITCHING REGULATOR, 1280 kHz SWITCHING FREQ-MAX, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 2052K |
| 代理商： | LM3311SQX |
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Typical Performance Characteristics
(Continued)
1.28MHz, 8.5V Application Boost Startup Waveform
LDO Load Transient Waveform
20126354
V
OUT
= 8.5V, V
IN
= 3.3V, C
OUT
= 20μF, R
LOAD
= 20
, C
SS
= open
1) V
SHDN
, 2V/div, DC
2) V
OUT
, 5V/div, DC
3) I
IN
, 1A/div, DC
T = 40μs/div
20126355
LDO
OUT
= 2.5V, LV
IN
= 5V, C
OUT
= 2.2μF
2) LDO
OUT
, 100mV/div, AC
3) I
LOAD
, 100mA/div, DC
T = 200μs/div
LDO Startup Waveform
(LV
IN
Fast Rising Edge)
LDO Startup Waveform
(LV
IN
Slow Rising Edge)
20126356
LDO
OUT
= 2.5V, LV
IN
= 5V, C
OUT
= 2.2μF, I
LOAD
= 300mA
1) LV
IN
, 5V/div, DC
2) LDO
OUT
, 1V/div, DC
T = 100μs/div
20126308
LDO
OUT
= 2.5V, LV
IN
= 5V, C
OUT
= 2.2μF, I
LOAD
= 300mA
1) LV
IN
, 5V/div, DC
2) LDO
OUT
, 1V/div, DC
T = 4ms/div
GPM Transient Waveforms
GPM Transient Waveforms
20126327
VGH = 20V, VDPM = 3.3V, C
= 4.7nF, R
= 2.4k
, C
E
= 33pF, R1 =
13k
, R2 = 1.2k
, VFLK at 50% duty cycle and 30kHz
1) VFLK, 2V/div, DC
3) VGHM, 5V/div, DC
T = 4μs/div
20126328
VGH = 20V, VDPM = 3.3V, C
= 4.7nF, R
= 750
, C
E
= 33pF, R1 =
13k
, R2 = 1.2k
, VFLK at 50% duty cycle and 64kHz
1) VFLK, 2V/div, DC
3) VGHM, 5V/div, DC
T = 2μs/div
L
www.national.com
16
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| LM3311SQ | Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LM33164D | 制造商:Motorola Inc 功能描述:33164D |
| LM331A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Precision Voltage-to-Frequency Converters |
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