參數(shù)資料
型號(hào)： MIC4685BR
廠商： MICREL INC
元件分類： 穩(wěn)壓器
英文描述： 3A SPAK SuperSwitcher⑩ Buck Regulator
中文描述： SWITCHING REGULATOR, 225 kHz SWITCHING FREQ-MAX, PSSO7
封裝： SPAK-7
文件頁數(shù)： 5/15頁
文件大?。?/td> 154K
代理商： MIC4685BR
MIC4685
Typical Characteristics
(T
A
= 25
°
C unless otherwise noted)
Micrel
September 2002
5
MIC4685
0
50
100
150
200
250
300
350
0
2
4
INPUT VOLTAGE (V)
6
8 10 12 14 16 18 20
B
Bootstrap Drive Current
vs. Input Voltage
V
IN
= 12V
V
FB
= 1.5V
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
B
INPUT VOLTAGE (V)
Bootstrap Voltage
vs. Input Voltage
V
IN
= 12V
V
FB
= 1.5V
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Standard
Configuration
V
OUT
= 5.0V
V
IN
= 8V
V
IN
= 12V
V
IN
= 30V
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Standard
Configuration
V
OUT
= 3.3V
V
IN
= 8V
V
IN
= 30V
V
IN
= 12V
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Standard
Configuration
V
OUT
= 2.5V
V
IN
= 8V
V
IN
= 30V
V
IN
= 24V
V
IN
= 12V
0
10
20
30
40
50
60
70
80
90
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Standard
Configuration
V
OUT
= 1.8V
V
IN
= 8V
V
IN
= 12V
V
IN
= 24V
V
IN
= 30V
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Bootstrap
Configuration
V
OUT
= 5.0V
V
IN
= 7.5V
V
IN
= 12V
V
IN
= 16V
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Bootstrap
Configuration
V
OUT
= 3.3V
V
IN
= 5V
V
IN
= 12V
V
IN
= 16V
V
IN
= 4.5V
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Bootstrap
Configuration
V
OUT
= 2.5V
V
IN
= 5V
V
IN
= 12V
V
IN
= 16V
0
10
20
30
40
50
60
70
80
90
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT CURRENT (A)
E
Efficiency
vs. Output Current
Bootstrap
Configuration
V
OUT
= 1.8V
V
IN
= 5V
V
IN
= 12V
V
IN
= 16V
0
2
4
6
8
10
12
0
5
10
15
20
25
30
D
INPUT VOLTAGE (V)
Minimum Duty Cycle
vs. Input Voltage
V
OUT
= 1.8V
5.7
5.8
5.9
6
6.1
6.2
6.3
0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
I
Quiescent Current
vs. Input Voltage
V
EN
= 5V
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC4685BR TR 功能描述:IC REG BUCK ADJ 3A SPAK-7 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:SuperSwitcher™ 標(biāo)準(zhǔn)包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關(guān):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(yīng)商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12
MIC4685BRTR 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel
MIC4685WR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A Buck Regulator in SPAK-7 (ROHS Compliant) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MIC4685WR TR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A Buck Regulator in SPAK-7 (ROHS Compliant) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MIC4685WREV 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3A SPAK SuperSwitcher Buck Regulator
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