參數(shù)資料
型號(hào)： MIC4682
廠商： Micrel Semiconductor,Inc.
英文描述： PRECISION CURRENT LIMIT SO-8 SUPERSWITCHER BUCK REGULATOR
中文描述： 精密電流限制的SO - 8 SUPERSWITCHER降壓穩(wěn)壓器
文件頁(yè)數(shù)： 5/15頁(yè)
文件大?。?/td> 226K
代理商： MIC4682
October 2003
5
M0334-102203
MIC4682
Typical Characteristics
T
A
= 25
°
C unless otherwise noted.
Micrel
0
10
20
30
40
50
60
70
80
90
0
0.4
0.8
1.2
1.6
E
OUTPUT CURRENT (A)
Efficiency
vs. Output Current
V
OUT
= 5V
V
IN
= 7.5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 30V
0
10
20
30
40
50
60
70
80
0
0.4
OUTPUT CURRENT (A)
0.8
1.2
1.6
2
E
Efficiency
vs. Output Current
V
OUT
= 3.3V
V
IN
= 5.8V
V
IN
= 12V
V
IN
= 24V
V
IN
= 30V
0
10
20
30
40
50
60
70
80
0
0.4
OUTPUT CURRENT (A)
0.8
1.2
1.6
2
E
Efficiency
vs. Output Current
V
OUT
= 2.5V
V
IN
= 5V
V
IN
= 6V
V
IN
= 12V
V
IN
= 30V
1
2
3
4
5
6
0
0.4
CURRENT LIMIT (A)
0.8
1.2
1.6
2
O
Output Voltage
vs. Current Limit
V
IN
= 12V
R
ISET
= 16.2k
Load =
Continuous
L = 68
μ
H
R3 = 10M
T
A
=
–
40
°
C
T
A
= 25
°
C
T
A
= 60
°
C
1
2
3
4
5
6
0
0.4
CURRENT LIMIT (A)
0.8
1.2
1.6
2
O
Output Voltage
vs. Current Limit
V
IN
= 24V
R
= 16.2k
Load =
Continuous
L = 68
μ
H
R3 = 10M
T
A
=
–
40
°
C
T
A
= 25
°
C
T
A
= 60
°
C
1
2
3
4
5
6
0
0.4
CURRENT LIMIT (A)
0.8
1.2
1.6
2
O
Output Voltage
vs. Current Limit
V
IN
= 30V
R
ISET
= 16.2k
Load =
Continuous
L = 68
μ
H
R3 = 10M
T
A
=
–
40
°
C
T
A
= 25
°
C
T
A
= 60
°
C
0
10 15 20 25 30 35 40 45 50
R
ISET
(k
)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
C
Current Limit
vs. R
ISET
at T
J
=
–
40
°
C
V
IN
= 4V
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 30V
V
IN
= 34V
L = 68
μ
H
R3 = 10M
V
OUT
= 1.0V (Pulsed Load)
0
10 15 20 25 30 35 40 45 50
R
ISET
(k
)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
C
Current Limit
vs. R
ISET
at T
J
= 25
°
C
V
IN
= 4V
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 30V
V
IN
= 34V
L = 68
μ
H
R3 = 10M
V
OUT
= 1.0V (Pulsed Load)
0
10 15 20 25 30 35 40 45 50
R
ISET
(k
)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
C
Current Limit
vs. R
ISET
at T
J
= 85
°
C
V
IN
= 4V
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 30V
V
IN
= 34V
L = 68
μ
H
R3 = 10M
V
OUT
= 1.0V (Pulsed Load)
0
R
ISET
(k
)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
C
Current Limit
vs. R
ISET
at T
J
= 125
°
C
V
IN
= 4V
V
IN
= 5V
V
IN
= 12V
L = 68
μ
H
R3 = 10M
V
OUT
= 1.0V (Pulsed Load)
V
IN
= 24V
V
IN
= 30V
V
IN
= 34V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
4
8
12
16
20
24
28
32
S
INPUT VOLTAGE (V)
Short Circuit Current Limit
vs. Input Voltage
at T
J
= 25
°
C
R
ISET
=10k
L = 68
μ
H
R3 = 10M
V
OUT
~0V (Pulsed Load)
R
ISET
=20k
R
ISET
=25k
R
ISET
=30k
R
ISET
=40k
R
ISET
=50k
R
ISET
=15.8k
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
4
7 10 13 16 19 22 25 28 31 34
INPUT VOLTAGE (V)
S
Short Circuit Current Limit
vs. Input Voltage
at T
J
=
–
40
°
C
R
ISET
=10k
R
ISET
=15.8k
R
ISET
=20k
R
ISET
=25k
L = 68
μ
H
R3 = 10M
V
OUT
~0V (Pulsed Load)
R
ISET
=30k
R
ISET
=40k
R
ISET
=50k
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MIC4682BM 功能描述:IC REG BUCK 2A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)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(kāi)關(guān):52kHz 電流 - 輸出:1A 同步整流器:無(wú) 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
MIC4682BM TR 功能描述:IC REG BUCK 2A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)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(kāi)關(guān):52kHz 電流 - 輸出:1A 同步整流器:無(wú) 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
MIC4682YM 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Precision Current Limit SO-8 Super Switcher (Lead Free) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
MIC4682YM TR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Precision Current Limit SO-8 Super Switcher (Lead Free) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
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