参数资料
型号: MIC2602YML TR
厂商: Micrel Inc
文件页数: 1/13页
文件大小: 0K
描述: IC REG BOOST ADJ 1.2A 8MLF
特色产品: 40V Wide Input Range Boost Regulator
标准包装: 1
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 40V
输入电压: 4.5 V ~ 20 V
PWM 型: 电流模式
频率 - 开关: 1.92MHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-VFDFN 裸露焊盘,8-MLF?
包装: 标准包装
供应商设备封装: 8-MLF?(2x2)
产品目录页面: 1093 (CN2011-ZH PDF)
其它名称: 576-3284-6
MIC2601/2
1.2A, 1.2MHz/2MHz Wide Input Range
Integrated Switch Boost Regulator
General Description
Features
The MIC2601/2 is a 1.2MHz/2MHz, PWM DC/DC boost
switching regulator available in a 2mm x 2mm MLF ?
package. High power density is achieved with the
MIC2601/2’s internal 40V/1.2A switch, allowing it to power
large loads in a tiny footprint.
The MIC2601/2 implements constant frequency
1.2MHz/2MHz PWM current mode control. The MIC2601/2
offers internal compensation that provides 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.
Soft start reduces in rush current and is programmable via
external capacitor.
The MIC2601/2 is available in a 2mm x 2mm 8-pin MLF ?
leadless package. Both devices have an output over-
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Wide input voltage range: 4.5V to 20V
Output voltage adjustable to 40V
1.2A switch current
MIC2601 operates at 1.2MHz
MIC2602 operates at 2MHz
Stable with small size ceramic capacitors
High efficiency
Programmable soft start
<10μA shutdown current
UVLO
Output over-voltage protection
Over temperature shutdown
8-pin 2mm x 2mm MLF ? package
–40 ° C to +125 ° C junction temperature range
voltage protection feature.
The MIC2601/2 has an operating junction temperature
range of –40 ° C to +125 ° C.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Applications
? Multimedia STB/Antenna
? Broadband communications
? TFT-LCD bias supplies
? Bias supply
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Positive output regulators
SEPIC converters
DSL applications
Local boost regulators
___________________________________________________________________________________________________________
Typical Application
10μH
V OUT
18V, 500mA
100
90
18V OUT Efficiency
V IN = 12V
MIC2601/2
VIN SW
EN
FB
6.65K
80
70
60
50
8V IN
12V IN
2.2μF
0.1μF
VDD SS
AGND PGND
0.1μF
10μF
40
30
20
0 100 200 300 400 500 600 700 800
10
0
LOAD CURRENT (mA)
MLF and Micro LeadFrame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
September 2009
M9999-090909-A
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