參數(shù)資料
型號： LM2591HV
廠商： National Semiconductor Corporation
英文描述： SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
中文描述： SIMPLE SWITCHER系列電源轉(zhuǎn)換器150千赫1A步降穩(wěn)壓器
文件頁數(shù)： 8/20頁
文件大?。?/td> 730K
代理商： LM2591HV
Test Circuit and Layout Guidelines
Fixed Output Voltage Versions
10129324
Component Values shown are for V
IN
= 15V,
V
OUT
= 5V, I
LOAD
= 1A.
C
IN
—
470 μF, 50V, Aluminum Electrolytic Nichicon “PM Series”
C
OUT
—
220 μF, 25V Aluminum Electrolytic, Nichicon “PM Series”
D1
—
2A, 60V Schottky Rectifier, 21DQ06 (International Rectifier)
L1
—
68 μH, See Inductor Selection Procedure
Adjustable Output Voltage Versions
10129325
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
= 1A.
C
IN
:
— 470 μF, 35V, Aluminum Electrolytic Nichicon “PM Series”
C
OUT
:
— 220 μF, 35V Aluminum Electrolytic, Nichicon “PM Series”
D1 — 2A, 60V Schottky Rectifier, 21DQ06 (International Rectifier)
L1 — 100 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
相關PDF資料
PDF描述
LM2591 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2592HVS-3.3 Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:100VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +85 C; Capacitance:1000uF RoHS Compliant: Yes
LM2592HVT-ADJ SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator
LM2592HVT-5.0 SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator
LM2592HVT-3.3 Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:250VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +85 C; Capacitance:1000uF RoHS Compliant: Yes
相關代理商/技術參數(shù)
參數(shù)描述
LM2591HVS-3.3 功能描述:直流/直流開關轉(zhuǎn)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
LM2591HVS-3.3/NOPB 功能描述:直流/直流開關轉(zhuǎn)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
LM2591HVS-5.0 功能描述:直流/直流開關轉(zhuǎn)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
LM2591HVS-5.0/NOPB 功能描述:直流/直流開關轉(zhuǎn)換器 PWR CONVERTER 150KHz 1A 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
LM2591HVS-5.0/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
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

*
*
*