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參數(shù)資料
| 型號： | MIC2295 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | High Power Density 1.2A Boost Regulator |
| 中文描述： | 高功率密度1.2A的升壓穩(wěn)壓器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 1267K |
| 代理商： | MIC2295 |
July 2004
M9999-072204
(408) 955-1690
MLF and MicroLeadFrame is a trademark of Amkor Technology
MIC2295
High Power Density 1.2A Boost Regulator
General Description
The MIC2295 is a 1.2Mhz, PWM dc/dc boost
switching regulator available in low profile Thin
SOT23 and 2mm x 2mm MLF package options.
High power density is achieved with the MIC2295’s
internal 34V / 1.2A switch, allowing it to power large
loads in a tiny footprint.
The MIC2295 implements constant frequency
1.2MHz PWM current mode control. The MIC2295
offers internal compensation that offers excellent
transient response and output regulation
performance. The high frequency operation saves
board space by allowing small, low-profile external
components. The fixed frequency PWM scheme also
reduces spurious switching noise and ripple to the
input power source.
The MIC2295 is available in a low-profile Thin
SOT23 5-lead package and a 2mm x2mm 8-lead
MLF leadless package. The 2mm x 2mm MLF
package option has an output over-voltage
protection feature.
The MIC2295 has an operating junction temperature
range of –40
°
C to +125
°
C
Features
2.5V to 10V input voltage range
Output voltage adjustable to 34V
1.2A switch current
1.2MHz PWM operation
Stable with small size ceramic capacitors
High efficiency
Low input and output ripple
<1mA shutdown current
UVLO
Output over-voltage protection (MIC2295BML)
Over temperature shutdown
Thin SOT23-5 package option
2mm x 2mm leadless 8-lead MLF package
option
–40
o
C to +125
o
C junction temperature range
Applications
Multi-output dc/dc converters
Organic EL power supplies
3.3V to 5V/500mA conversion
TFT-LCD bias supplies
Flash LED drivers
Positive and negative output regulators
SEPIC converters
Positive to negative Cuk converters
12V supply for DSL applications
10
μ
H
R2
9.01K
R1
100k
MIC2295BML
VIN
V
1-Cell
Li Ion
3V to 4.2V
V
15V/100mA
EN
FB
AGND
C1
2.2
μ
F
2.2
μ
F
PGND
SW
OVP
L1
10
μ
H
R2
3.3k
R1
10k
MIC2295 BD5
VIN
1-Cell
Li Ion
V
5V/500mA
EN
SW
FB
GND
V
C1
2.2
μ
F
10
μ
F
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC2295YD5 | High Power Density 1.2A Boost Regulator |
| MIC2295YML | High Power Density 1.2A Boost Regulator |
| MIC2295BD5 | High Power Density 1.2A Boost Regulator |
| MIC2295BML | High Power Density 1.2A Boost Regulator |
| MIC2506BM | Single 2A / Dual 1A / High-Side Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2295_05 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:High Power Density 1.2A Boost Regulator |
| MIC22950 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:10A Integrated Switch Synchronous Buck Regulator with Frequency Programmable to 2MHz |
| MIC229505YML TR | 制造商:Micrel Inc 功能描述:Micrel MIC229505YML TR DC to DC Conversion |
| MIC22950YML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:10A Integrated Switch Synchronous Buck Regulator with Frequency Programmable to 2MHz |
| MIC22950YML TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 10A Integrated Switch Synchronous Buck Regulator w/ Frequency Progammable to 2 MHz 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 |
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