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參數(shù)資料
| 型號： | MIC4684BM |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 150000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | SWITCHING REGULATOR, 225 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 213K |
| 代理商： | MIC4684BM |
July 2001
5
MIC4684
MIC4684
Typical Characteristics
(T
A
= 25
°
C unless otherwise noted)
Micrel
0
10
20
30
40
50
60
70
80
90
100
0
0.5
OUTPUT CURRENT (A)
1
1.5
2
2.5
3
E
Efficiency vs. Output Current
with Feed Forward Diode
5V
OUT
3.3V
OUT
1.8V
OUT
2.5V
OUT
V
IN
= 12V
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
10.3
10.4
10.5
10.6
10.7
10.8
10.9
0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
D
Minimum Duty Cycle
vs. Input Voltage
V
IN
= 12V
V
OUT
= 5V
V
FB
= 1.3V
1.225
1.230
1.235
1.240
1.245
1.250
1.255
0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
R
Reference Voltage
vs. Input Voltage
V
IN
= 12V
V
OUT
= V
I
OUT
= 500mA
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
20
40
60
80
100
120
140
160
180
200
0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
I
μ
A
Shutdown Current
vs. Input Voltage
V
EN
= 0V
570
575
580
585
590
595
600
605
0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
S
Saturation Voltage
vs. Input Voltage
I
OUT
= 1A
V
OUT
= 5V
48.5
49
49.5
50
50.5
51
51.5
0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
F
Foldback Frequency
vs. Input Voltage
V
FB
= 0V
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
50
55
60
65
70
75
80
85
90
95
100
0
0.2 0.4 0.6 0.8
OUTPUT CURRENT (A)
1 1.2 1.4 1.6
E
5V
OUT
Efficiency without Feed
Forward Diode
V
OUT
= 5V
V
IN
= 8V
V
IN
= 12V
V
IN
= 24V
50
55
60
65
70
75
80
85
90
95
100
0 0.2 0.4 0.6 0.8
OUTPUT CURRENT (A)
1 1.2 1.4 1.6
E
3.3V
OUT
Efficiency without
Feed Forward Diode
V
OUT
= 3.3V
V
IN
= 8V
V
IN
= 12V
V
IN
= 24V
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1
1.5
2
E
OUTPUT CURRENT (A)
5V
IN
Efficiency with Feed
Forward Diode
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
IN
= 5.0V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC4684BM TR | 功能描述:IC REG BUCK ADJ 2A 8SOIC 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™ 標準包裝: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 供應商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| MIC4684YM | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 SO-8 Efficient Simple Buck Regulator (Lead Free) 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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MIC4684YM TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 SO-8 Efficient Simple Buck Regulator (Lead Free) 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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MIC4684YM | 制造商:Micrel Inc 功能描述:IC VOLTAGE REGULATOR SOIC |
| MIC4684YM | 制造商:Micrel Inc 功能描述:Voltage Regulator IC |
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