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參數(shù)資料
| 型號： | LM2590HVS-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, PSSO7 |
| 封裝： | TO-263, 7 PIN |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 752K |
| 代理商： | LM2590HVS-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
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2590HVS-ADJ | 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 |
| LM2590HVS-ADJ | 制造商:Texas Instruments 功能描述:V REG BUCK 1A 150KHZ, SMD, TO-263-7 制造商:Texas Instruments 功能描述:V REG BUCK 1A 150KHZ, SMD, TO-263-7; Primary Input Voltage:60V; No. of Outputs:1; Output Voltage:57V; Output Current:1A; Voltage Regulator Case Style:TO-263; No. of Pins:7; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
| LM2590HVS-ADJ/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 |
| LM2590HVSX-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 |
| LM2590HVSX-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 |
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