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參數(shù)資料
| 型號： | MIC3172YM |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 3.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 153K |
| 代理商： | MIC3172YM |
MIC2172/3172
Typical Performance Characteristics
Micrel, Inc.
M9999-042205
6
April 2005
2.3
2.4
2.5
2.6
2.7
2.8
2.9
-100
-50
0
50
100
150
M
Temperature (
°
C)
MIC2172 Minimum
Operating Voltage
Switch Current = 1A
0
100
200
300
400
500
600
700
800
-50
0
50
100
150
F
Temperature (
°
C)
Feedback Bias Current
-5
-4
-3
-2
-1
0
1
2
3
4
5
0
10
V
IN
Operating (V)
20
30
40
F
Feedback Voltage
Line Regulation
TJ = -40
°
C
TJ = 25
°
C
TJ = 125
°
C
5
6
7
8
9
10
11
12
13
14
15
0
10
20
30
40
S
V
IN
Operating Voltage (V)
Supply Current
ISW = 0
D.C. = 90%
D.C. = 50%
D.C. = 0%
0
1
2
3
4
5
6
7
8
-50
0
50
100
150
S
μ
A
Temperature (
°
C)
Supply Current
(Shutdown Mode)
MIC3172
V
IN
= 40V
0.8
0.9
1
1.1
1.2
1.3
1.4
-100
-50
0
50
100
150
E
Temperature (
°
C)
Enable Thresholds
ON
OFF
MIC3172
0
0.0
10
20
30
40
50
0.5
Switch Current (A)
1.0
1.5
2.0
A
Supply Current
δ
= 90%
δ
= 50%
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.0
0.5
1.0
1.5
S
Switch Current (A)
Switch ON Voltage
TJ = 25
°
C
TJ = 125
°
C
TJ = –40
°
C
0
1
2
3
4
0
20
40
60
80
100
S
Duty Cycle (%)
Current Limit
–40
°
C
25
°
C
125
°
C
0
1
2
3
4
5
6
7
8
9
10
-50
0
50
100
150
S
Temperature (
°
C)
Supply Current
V
COMP
= 0.6V
60
70
80
90
100
110
120
-50
0
Temperature (
°
C)
50
100
150
F
Oscillator Frequency
90
100
110
120
130
140
1
10
100
1000
f
O
R
ADJ
(k
)
Oscillator Frequency
MIC2172
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC3172YM TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.25A 100kHz Switching 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 |
| MIC3172YM | 制造商:Micrel Inc 功能描述:IC POWER SUPPLY |
| MIC3172YM | 制造商:Micrel Inc 功能描述:Power Supply IC |
| MIC3172YN | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.25A 100kHz Switching 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 |
| MIC3201 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:High Brightness LED Driver with High-Side Current Sense |
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