參數資料
型號: MIC4681BM
廠商: MICREL INC
元件分類: 穩(wěn)壓器
英文描述: 2A-Peak SuperSwitcher⑩ SOP-8 Buck Regulator
中文描述: 2.1 A SWITCHING REGULATOR, 220 kHz SWITCHING FREQ-MAX, PDSO8
封裝: SOP-8
文件頁數: 9/19頁
文件大?。?/td> 395K
代理商: MIC4681BM
February 2001
9
MIC4681
MIC4681
Bode Plots
The following bode plots show that the MIC4681 is stable over all conditions using a
68
μ
F inductor
(L) and a
220
μ
F output
capacitor
(C
OUT
). To assure stability, it is a good practice to maintain a phase margin of greater than 35
°
.
Micrel
No-Load Stability
Phase Margin = 94
°
V
IN
= 7V
V
OUT
= 5.0V
I
= 0A
Amb = 22
°
C
L = 68
μ
F
C
OUT
= 220
μ
F
Full-Load Stability
Phase Margin = 74
°
V
IN
= 7V
V
OUT
= 5.0V
I
= 1.1A
Amb = 22
°
C
L = 68
μ
F
C
OUT
= 220
μ
F
No-Load Stability
Phase Margin = 102
°
V
IN
= 12V
V
OUT
= 5.0V
I
= 0A
Amb = 22
°
C
L = 68
μ
F
C
OUT
= 220
μ
F
Full-Load Stability
Phase Margin = 59
°
V
IN
= 30V
V
OUT
= 5.0V
I
= 1.1A
Amb = 22
°
C
L = 68
μ
F
C
OUT
= 220
μ
F
No-Load Stability
Phase Margin = 118
°
V
IN
= 30V
V
OUT
= 5.0V
I
= 0A
Amb = 22
°
C
L = 68
μ
F
C
OUT
= 220
μ
F
Full-Load Stability
Phase Margin = 53
°
V
IN
= 12V
V
OUT
= 5.0V
I
= 1.4A
Amb = 22
°
C
L = 68
μ
F
C
OUT
= 220
μ
F
相關PDF資料
PDF描述
MIC4682 PRECISION CURRENT LIMIT SO-8 SUPERSWITCHER BUCK REGULATOR
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相關代理商/技術參數
參數描述
MIC4681BM TR 功能描述:IC REG BUCK ADJ 1A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:SuperSwitcher™ 標準包裝:20 系列:SIMPLE SWITCHER® 類型:降壓(降壓) 輸出類型:固定 輸出數:1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關:52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP(0.300",7.62mm) 包裝:管件 供應商設備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12
MIC4681YM 功能描述:直流/直流開關調節(jié)器 2A Peak SuperSwitcher in SO-8 (Lead Free) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MIC4681YM TR 功能描述:直流/直流開關調節(jié)器 2A Peak SuperSwitcher in SO-8 (Lead Free) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MIC4682 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PRECISION CURRENT LIMIT SO-8 SUPERSWITCHER BUCK REGULATOR
MIC4682_07 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Current Limit SOIC-8 SuperSwitcher⑩ Buck Regulator