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參數(shù)資料
| 型號： | LM2623 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 254K |
| 代理商： | LM2623 |
Pin Description
Pin
1
2
3
Name
Function
PGND
EN
FREQ
Power Ground
Active-Low Shutdown Input
Frequency Adjust. An external resistor connected between this pin and Pin 6 (V
DD
) sets the
switching frequency of the LM2621.
Output Voltage Feedback
Signal Ground
Power Supply for Internal Circuitry
Bootstrap Supply for the Gate Drive of Internal MOSFET Power Switch
Drain of the Internal MOSFET Power Switch
4
5
6
7
8
FB
SGND
V
DD
BOOT
SW
Typical Performance Characteristics
Efficiency vs Load Current
V
OUT
= 5.0V
DS100934-1
Efficiency vs Load Current
V
OUT
= 3.3V
DS100934-2
V
FB
vs Temperature
DS100934-3
I
OP
vs Temperature
DS100934-4
I
SD
vs Temperature
DS100934-5
I
SD
vs V
DD
DS100934-6
I
OP
vs V
DD
DS100934-7
V
IN_ST
vs Load Current
V
OUT
= 3.3V
DS100934-8
Switching Frequency vs R
FQ
DS100934-9
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2623_04 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:General Purpose, Gated Oscillator Based, DC/DC Boost Converter |
| LM2623_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:General Purpose, Gated Oscillator Based, DC/DC Boost Converter |
| LM2623ALD | 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 |
| LM2623ALD/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 |
| LM2623ALDX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:General Purpose, Gated Oscillator Based, DC/DC Boost Converter |
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