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參數(shù)資料
| 型號： | LM2592HVS-ADJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:200VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to C; Capacitance:1000uF RoHS Compliant: Yes |
| 中文描述： | 4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封裝： | TO-263, 5 PIN |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 655K |
| 代理商： | LM2592HVS-ADJ |
Test Circuit and Layout Guidelines
Fixed Output Voltage Versions
10129424
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
—
L1
—
33 μH, See Inductor Selection Procedure
Adjustable Output Voltage Versions
10129425
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)
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
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM2592HVS-ADJ/NOPB | 功能描述:直流/直流開關轉換器 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 安裝風格:SMD/SMT |
| LM2592HVSX-3.3 | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| LM2592HVSX-3.3/NOPB | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| LM2592HVSX-5.0 | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| LM2592HVSX-5.0/NOPB | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
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