- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358823 > LM2593HVS-ADJ (NATIONAL SEMICONDUCTOR CORP) SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features PDF資料下載
參數(shù)資料
| 型號(hào)： | LM2593HVS-ADJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features |
| 中文描述： | 4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封裝： | TO-263, 7 PIN |
| 文件頁數(shù)： | 8/21頁 |
| 文件大?。?/td> | 753K |
| 代理商： | LM2593HVS-ADJ |
Test Circuit and Layout Guidelines
Fixed Output Voltage Versions
10133324
Component Values shown are for V
IN
= 15V,
V
OUT
= 5V, I
LOAD
= 2A.
C
IN
—
470 μF, 50V, Aluminum Electrolytic Nichicon “PM Series”
C
OUT
—
220 μF, 25V Aluminum Electrolytic, Nichicon “PM Series”
D1
—
3.3A, 60V Schottky Rectifier, 31DQ06 (International Rectifier)
L1
—
33 μH, See Inductor Selection Procedure
Adjustable Output Voltage Versions
10133325
Select R
1
to be approximately 1 k
, use a 1% resistor for best stability.
Component Values shown are for V
IN
= 20V,
V
OUT
= 10V, I
LOAD
= 2A.
C
IN
:
— 470 μF, 35V, Aluminum Electrolytic Nichicon “PM Series”
C
OUT
:
— 220 μF, 35V Aluminum Electrolytic, Nichicon “PM Series”
D1 — 3.3A, 60V Schottky Rectifier, 31DQ06 (International Rectifier)
L1 — 47 μH, See Inductor Selection Procedure
R
1
— 1 k
, 1%
R
2
— 7.15k, 1%
C
FF
— 3.3 nF
Typical Values
C
SS
—0.1 μF
C
DELAY
—0.1 μF
R
PULL UP
— 4.7k (use 22k if V
OUT
is
≥
45V)
Resistive divider is required to aviod exceeding maximum rating of 45V/3mA on/into flag pin.
Small signal Schottky diode to prevent damage to feedback pin by negative spike when output is shorted (C
FF
not being able to discharge immediately will
drag feedback pin below ground). Required if V
IN
>
40V
FIGURE 1. Standard Test Circuits and Layout Guides
L
www.national.com
8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2593HVT-3.3 | SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features |
| LM2593HVT-5.0 | SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features |
| LM2593HV | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| LM2594M-12 | SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator |
| LM2594M-3.3 | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2593HVS-ADJ/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 PWR CONVERTER 150KHz 2A ST-DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2593HVS-ADJ/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| LM2593HVSX-3.3 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2593HVSX-3.3/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2593HVSX-5.0 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。