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參數(shù)資料
| 型號： | MIC2185BQS |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low Voltage Synchronous Boost PWM Control IC |
| 中文描述： | SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 141K |
| 代理商： | MIC2185BQS |
MIC2185
Micrel
MIC2185
4
May 2002
Parameter
Condition
Min
Typ
Max
Unit
Soft Start
Soft Start Current
5
μ
A
Current Limit
Current Limit Threshold Voltage
Voltage on CSH to trip current limit
100
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
Oscillator Section
Oscillator Frequency (f
S
)
Maximum Duty Cycle
360
400
440
kHz
V
FB
= 1.0V
V
FB
= 1.5V
V
FREQ/2
=3V
Measured at FB pin
85
%
Minimum On Time
180
ns
FREQ/2 frequency (f
S
)
Frequency Foldback Threshold
170
200
230
0.3
V
Frequency Foldback Frequency
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 (OUTN and OUTP)
Rise/Fall Time
C
L
= 3300pF
V
IN
P = 12V
V
IN
P = 5V
Source; V
IN
P = 12V
Sink; V
IN
P = 12V
Source; V
IN
P = 5V
Sink; V
IN
P = 5V
50
ns
Driver Non-overlap Time
70
ns
90
ns
Output Driver Impedance
4
8
3
7
5
11
5
11
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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| MIC2185BQS TR | 功能描述:IC REG CTRLR BST PWM CM 16-QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)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) |
| MIC2185YM | 功能描述:DC/DC 開關(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK |
| MIC2185YM TR | 功能描述:DC/DC 開關(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK |
| MIC2185YQS | 功能描述:DC/DC 開關(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK |
| MIC2185YQS TR | 功能描述:DC/DC 開關(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK |
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