參數(shù)資料
型號(hào): LM2590HVT-5.0
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
中文描述: 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PZFM7
封裝: TO-220, 7 PIN
文件頁(yè)數(shù): 7/20頁(yè)
文件大?。?/td> 752K
代理商: LM2590HVT-5.0
Typical Performance Characteristics
(Circuit of Figure 1) (Continued)
Continuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 1A
L = 52 μH, C
OUT
= 100 μF, C
OUT
ESR = 100 m
Discontinuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 250 mA
L = 15 μH, C
OUT
= 150 μF, C
OUT
ESR = 90 m
10134720
Horizontal Time Base: 2 μs/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.5A/div.
C: Output Ripple Voltage, 50 mV/div.
10134719
Horizontal Time Base: 2 μs/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.25A/div.
C: Output Ripple Voltage, 100 mV/div.
Load Transient Response for Continuous Mode
V
= 20V, V
OUT
= 5V, I
= 250 mA to 1A
L = 52 μH, C
OUT
= 100 μF, C
OUT
ESR = 100 m
Load Transient Response for Discontinuous Mode
V
= 20V, V
OUT
= 5V, I
= 250 mA to 1A
L = 15 μH, C
OUT
= 150 μF, C
OUT
ESR = 90 m
10134721
Horizontal Time Base: 50 μs/div.
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 1A Load Pulse
10134722
Horizontal Time Base: 200 μs/div.
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 1A Load Pulse
Connection Diagrams and Order Information
Bent and Staggered Leads, Through Hole Package
7-Lead TO-220 (T)
Surface Mount Package
7-Lead TO-263 (S)
10134750
Order Number LM2590HVT-3.3, LM2590HVT-5.0,
or LM2590HVT-ADJ
See NS Package Number TA07B
10134723
Order Number LM2590HVS-3.3, LM2590HVS-5.0,
or LM2590HVS-ADJ
See NS Package Number TS7B
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2590HVT-ADJ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2590HVT-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 1A ADJ 2590 TO2207
LM2590HVT-ADJ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2591HVS-3.3 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2591HVS-3.3/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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