參數(shù)資料
型號: LM2675MX-ADJ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
中文描述: 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SOIC-8
文件頁數(shù): 8/26頁
文件大?。?/td> 912K
代理商: LM2675MX-ADJ
Typical Performance Characteristics
(Circuit of
Figure 2
)
Continuous Mode Switching Waveforms
V
= 20V, V
= 5V, I
LOAD
= 1A
L = 47 μH, C
OUT
= 68 μF, C
OUT
Discontinuous Mode Switching Waveforms
V
= 20V, V
= 5V, I
= 300 mA
L = 15 μH, C
OUT
= 68 μF (2x), C
OUT
ESR = 25 m
01280318
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 0.5 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
01280319
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 0.5 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
Load Transient Response for Continuous Mode
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 1A
L = 47 μH, C
OUT
= 68 μF, C
OUT
ESR = 50 m
Load Transient Response for Discontinuous Mode
V
IN
= 20V, V
OUT
= 5V,
L = 47 μH, C
OUT
= 68 μF, C
OUT
ESR = 50 m
01280320
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 1A Load Pulse
Horizontal Time Base: 50 μs/div
01280321
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 100 mA to 400 mA Load Pulse
Horizontal Time Base: 200 μs/div
L
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相關代理商/技術參數(shù)
參數(shù)描述
LM2675MX-ADJ/NAK2 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LM2675MX-ADJ/NOPB 功能描述:直流/直流開關轉換器 HIGH EFF 1A STEP- 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
LM2675MX-ADJEP 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Enhanced Plastic SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675MX-ADJEP/NOPB 制造商:Texas Instruments 功能描述:
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