Datasheet > MIC2295

MIC2295

更新时间： 2024-11-15 14:52:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
12页	402K
描述
The MIC2295 is a 1.2Mhz, PWM DC/DC boost switching regulator. High power density is achieved wit

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MIC2295 数据手册

MIC2295

High Power Density 1.2A

Boost Regulator

General Description

Features

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.

• 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

• <1µA shutdown current

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.

• UVLO

• Output over-voltage protection (MIC2295BML)

• Over temperature shutdown

• Thin SOT23-5 package option

• 2mm x 2mm leadless 8-lead MLF™ package option

• –40^oC to +125^oC junction temperature range

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

Applications

• 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

• Multi-output dc/dc converters

10µH

V_OUT

5V/500mA

V_OUT

15V/100mA

10µH

MIC2295 BD5

MIC2295BML

VIN

OVP

V_IN

VIN

49.9k

10k

V_IN

1-Cell

Li Ion

1-Cell

Li Ion

3V to 4.2V

10µF

2.2µF

3.3k

GND

4.53K

AGND

PGND

MLF and MicroLeadFrame is a trademark of Amkor Technology

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-042605

(408) 955-1690

April 2005

12 3 4 5 6 7...12

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与MIC2295相关器件

型号	品牌	获取价格	描述	数据表
MIC2295_05	MICREL	获取价格	High Power Density 1.2A Boost Regulator
MIC22950	MICREL	获取价格	10A Integrated Switch Synchronous Buck Regulator with Frequency Programmable to 2MHz
MIC22950	MICROCHIP	获取价格	The MIC22950 is a high efficiency 10A integrated switch synchronous buck (step-down) reg
MIC22950YML	MICREL	获取价格	10A Integrated Switch Synchronous Buck Regulator with Frequency Programmable to 2MHz
MIC22950YMLTR	MICROCHIP	获取价格	21A SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, QCC32, 5 X 5 MM, GREEN, MLF-32
MIC22950YML-TR	MICROCHIP	获取价格	21A SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, QCC32
MIC2295BD5	MICREL	获取价格	High Power Density 1.2A Boost Regulator
MIC2295BD5	MICROCHIP	获取价格	Switching Regulator, Current-mode, 2.5A, 1350kHz Switching Freq-Max, PDSO5, TSOT-23, 5 PIN
MIC2295BD5TR	MICREL	获取价格	暂无描述
MIC2295BML	MICREL	获取价格	High Power Density 1.2A Boost Regulator

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