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參數(shù)資料
| 型號： | LM2591HVADJMWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 21/23頁 |
| 文件大?。?/td> | 722K |
| 代理商： | LM2591HVADJMWC |
Typical Performance Characteristics (Circuit of Figure 1) (Continued)
Continuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD =1A
L = 52 H, C
OUT = 100 F, COUT ESR = 100 m
Discontinuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD = 250 mA
L = 15 H, C
OUT = 150 F, COUT ESR=90 m
10129320
Horizontal Time Base: 2 s/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.5A/div.
C: Output Ripple Voltage, 50 mV/div.
10129319
Horizontal Time Base: 2 s/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
IN = 20V, VOUT = 5V, ILOAD = 250 mA to 1A
L = 52 H, C
OUT = 100 F, COUT ESR = 100 m
Load Transient Response for Discontinuous Mode
V
IN = 20V, VOUT = 5V, ILOAD = 250 mA to 1A
L = 15 H, C
OUT = 150 F, COUT ESR=90 m
10129321
Horizontal Time Base: 50 s/div.
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 1A Load Pulse
10129322
Horizontal Time Base: 200 s/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
5-Lead TO-220 (T)
Surface Mount Package
5-Lead TO-263 (S)
10129381
Order Number LM2591HVT-3.3, LM2591HVT-5.0,
or LM2591HVT-ADJ
See NS Package Number T05D
10129382
Order Number LM2591HVS-3.3, LM2591HVS-5.0,
or LM2591HVS-ADJ
See NS Package Number TS5B
LM2591HV
www.national.com
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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 |
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