參數(shù)資料
型號： LM2677T-5.0
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SENSOR MOD GEAR TOOTH 1.5
中文描述： 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, ZFM7
封裝： TO-220, 7 PIN
文件頁數(shù)： 8/26頁
文件大小： 847K
代理商： LM2677T-5.0
Typical Performance Characteristics
(Continued)
Continuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 5A
L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
Discontinuous Mode Switching Waveforms
V
IN
= 20V, V
OUT
= 5V, I
LOAD
= 500 mA
L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
10130117
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 2 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
10130118
A: V
SW
Pin Voltage, 10 V/div.
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs//iv
Load Transient Response for Continuous Mode
V
IN
= 20V, V
= 5V
L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
Load Transient Response for Discontinuous Mode
V
IN
= 20V, V
= 5V,
L = 10 μH, C
OUT
= 400 μF, C
OUT
ESR = 13 m
10130119
A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 5A Load Pulse
Horizontal Time Base: 100 μs/div
10130120
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 5A Load Pulse
Horizontal Time Base: 200 μs/div
L
www.national.com
8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2677T-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
LM2677T-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
LM2678 制造商:Texas Instruments 功能描述:
LM2678_05 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ High Efficiency 5A Step-Down Voltage Regulator
LM2678-12 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
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