- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄383611 > MIC4681BM (MICREL INC) 2A-Peak SuperSwitcher⑩ SOP-8 Buck Regulator PDF資料下載
參數(shù)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(shù)： | 3/19頁 |
| 文件大?。?/td> | 395K |
| 代理商： | MIC4681BM |
February 2001
3
MIC4681
MIC4681
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
IN
),
Note 3
......................................+34V
Shutdown Voltage (V
SHDN
) ..........................
–
0.3V to +34V
Steady-State Output Switch Voltage (V
SW
) ..................
–
1V
Feedback Voltage [Adjustable] (V
FB
) ..........................+12V
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
ESD,
Note 5
Micrel
Operating Ratings
(Note 2)
Supply Voltage (V
IN
) ....................................... +4V to +30V
Junction Temperature (T
J
) ...................................... +125
°
C
Package Thermal Resistance (
θ
JA
),
Note 6
............63
°
C/W
(
θ
JC
),
Note 6 ...........
20
°
C/W
Electrical Characteristics
V
IN
= 12V; I
LOAD
= 500mA; T
J
= 25
°
C,
bold
values indicate
–
40
°
C
≤
T
J
≤
+125
°
C,
Note 7
; unless noted.
Parameter
Condition
Min
Typ
Max
Units
Feedback Voltage
(
±
1%)
(
±
2%)
1.217
1.205
1.230
1.243
1.255
V
V
8V
≤
V
IN
≤
30V, 0.1A
≤
I
LOAD
≤
1A, V
OUT
= 5V
1.193
1.180
1.230
1.267
1.280
V
V
Maximum Duty Cycle
V
FB
= 1.0V
V
IN
= 30V, V
SHDN
= 5V, V
SW
= 0V
V
IN
= 30V, V
SHDN
= 5V, V
SW
=
–
1V
V
FB
= 1.5V
93
95
%
Output Leakage Current
50
500
μ
A
4
20
mA
Quiescent Current
7
12
mA
Frequency Fold Back
50
110
kHz
Oscillator Frequency
180
200
220
kHz
Saturation Voltage
I
OUT
= 1A
1.4
1.8
V
Short Circuit Current Limit
V
FB
= 0V, see
Test Circuit
V
IN
= 30V
(Note 8)
V
SHDN
= 5V (regulator off)
V
SHDN
= V
IN
regulator off
2.2
3.4
4.5
A
Standby Quiescent Current
35
100
μ
A
6
μ
A
Shutdown Input Logic Level
2
1.4
V
regulator on
1.25
0.8
V
Shutdown Input Current
V
SHDN
= 5V (regulator off)
V
SHDN
= 0V (regulator on)
–
10
–
0.5
1
μ
A
–
10
–
1.5
1
μ
A
Thermal Shutdown @ T
J
160
°
C
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Note 7.
Note 8.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Absolute maximum rating is intended for voltage transients only, prolonged dc operation is not recommended.
V
IN(min)
= V
OUT
+ 2.5V or 4V whichever is greater.
Devices are ESD sensitive. Handling precautions recommended.
Measured on 1" square of 1 oz. copper FR4 printed circuit board connected to the device ground leads.
Test at T
A
= +85
°
C, guaranteed by design, and characterized to T
J
= +125
°
C.
Short circuit protection is guaranteed to 30V max.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC4682 | PRECISION CURRENT LIMIT SO-8 SUPERSWITCHER BUCK REGULATOR |
| MIC4682BM | PRECISION CURRENT LIMIT SO-8 SUPERSWITCHER BUCK REGULATOR |
| MIC4684 | 150000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| MIC4684BM | 150000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| MIC4690 | 150000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(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 |
| MIC4681YM | 功能描述:直流/直流開關(guān)調(diào)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(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 |
| MIC4681YM TR | 功能描述:直流/直流開關(guān)調(diào)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(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 |
| 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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。