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參數(shù)資料
| 型號： | MIC2186BQS |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low Voltage PWM Control IC |
| 中文描述： | SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 162K |
| 代理商： | MIC2186BQS |
MIC2186
Micrel
MIC2186
4
July 2002
Parameter
Condition
Min
Typ
Max
Units
Enable/UVLO
Enable Input Threshold
0.6
0.9
1.2
V
UVLO Threshold
1.4
1.5
1.6
V
UVLO Hysteresis
140
mV
Enable Input Current
V
EN/UVLO
= 5V
0.2
5
μ
A
Soft Start
Soft Start Current
5
μ
A
Current Limit
Current Limit Threshold Voltage
(Voltage on CSH to trip current limit)
80
100
120
mV
Error Amplifier
Error Amplifier Gain
20
V/V
Current Amplifier
Current Amplifier Gain
3.7
V/V
SKIP Input
SKIP Threshold
0.6
1.4
2.2
V
SKIP Input Current
V
SKIP
= 3V
0.1
5
μ
A
HIDC Input
HIDC Threshold
0.6
1.4
2.2
V
Oscillator Section
Oscillator Frequency (f
O
)
Maximum Duty Cycle
360
400
440
kHz
V
FB
= 1.0V, V
HIDC
= 3V
V
FB
= 1.0V, V
HIDC
= 0V
V
FB
= 1.5V, V
HiDC
= 3V
V
HiDC
= 3V, V
FREQ/2
= 3V
Measured on FB
85
50
%
Minimum On Time
180
ns
FREQ/2 Frequency (f
O
)
Frequency Foldback Threshold
170
200
230
kHz
0.3
V
Frequency Foldback Frequency
V
HiDC
= 3V, V
FREQ/2
= 0V
90
kHz
SYNC Threshold Level
0.6
1.4
2.2
V
SYNC Input Current
0.1
5
μ
A
SYNC Minimum Pulse Width
200
ns
SYNC Capture Range
Note 4
f
O
+ 15 %
600
kHz
Gate Drivers
Rise/Fall Time
C
L
= 3300pF
source; V
IN
P = 12V
sink; V
IN
P = 12V
source; V
IN
P =5V
sink; V
IN
P = 5V
50
ns
Output Driver Impedance
1.8
4
1.6
3.5
2.6
2.4
Note 1.
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when
operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction
temperature, T
J(max)
, the junction-to-ambient thermal resistance,
θ
JA
, and the ambient temperature, T
A
.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
See application information for limitations on maximum operating frequency.
Note 2.
Note 3.
Note 4.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2186BQS TR | 功能描述:IC REG CTRLR BST FLYBK CM 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| MIC2186YM | 功能描述:DC/DC 開關控制器 SO-16 Low Vin Synchronous Buck PWM Control IC (Lead Free) RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MIC2186YM TR | 功能描述:DC/DC 開關控制器 SO-16 Low Vin Synchronous Buck PWM Control IC (Lead Free) RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MIC2186YQS | 功能描述:DC/DC 開關控制器 SO-16 Low Vin Synchronous Buck PWM Control IC (Lead Free) RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MIC2186YQS TR | 功能描述:DC/DC 開關控制器 SO-16 Low Vin Synchronous Buck PWM Control IC (Lead Free) RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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