參數(shù)資料
型號: LM2593HVT-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSFM7
封裝: TO-220, 7 PIN
文件頁數(shù): 19/21頁
文件大小: 753K
代理商: LM2593HVT-12
Typical Performance Characteristics (Circuit of Figure 1) (Continued)
Continuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD =2A
L = 32 H, C
OUT = 220 F, COUT ESR=50 m
Discontinuous Mode Switching Waveforms
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA
L = 10 H, C
OUT = 330 F, COUT ESR=45 m
10133320
Horizontal Time Base: 2 s/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 1A/div.
C: Output Ripple Voltage, 50 mV/div.
10133319
Horizontal Time Base: 2 s/div.
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.5A/div.
C: Output Ripple Voltage, 100 mV/div.
Load Transient Response for Continuous Mode
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA to 2A
L = 32 H, C
OUT = 220 F, COUT ESR=50 m
Load Transient Response for Discontinuous Mode
V
IN = 20V, VOUT = 5V, ILOAD = 500 mA to 2A
L = 10 H, C
OUT = 330 F, COUT ESR=45 m
10133321
Horizontal Time Base: 50 s/div.
A: Output Voltage, 100 mV/div. (AC)
B: 500 mA to 2A Load Pulse
10133322
Horizontal Time Base: 200 s/div.
A: Output Voltage, 100 mV/div. (AC)
B: 500 mA to 2A 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)
10133350
Order Number LM2593HVT-3.3, LM2593HVT-5.0,
or LM2593HVT-ADJ
See NS Package Number TA07B
10133323
Order Number LM2593HVS-3.3, LM2593HVS-5.0,
or LM2593HVS-ADJ
See NS Package Number TS7B
LM2593HV
www.national.com
7
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PDF描述
LM2597-12MDC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
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LM2597HV-5MDC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
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LM2593HVT-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
LM2593HVT-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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