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MIC2186BM PDF预览

MIC2186BM

更新时间: 2024-01-30 11:26:15
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
页数 文件大小 规格书
16页 164K
描述
Low Voltage PWM Control IC

MIC2186BM 技术参数

是否Rohs认证:不符合生命周期:Obsolete
包装说明:SOP-16Reach Compliance Code:not_compliant
Factory Lead Time:1 week风险等级:5.28
Is Samacsys:N其他特性:ALSO REQUIRES A 2.82V TO 3.18V DIGITAL SUPPLY VOLTAGE
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:14 V
最小输入电压:2.9 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:9.9 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.0005 A标称输出电压:3 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
认证状态:Not Qualified座面最大高度:1.895 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:440 kHz
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
Base Number Matches:1

MIC2186BM 数据手册

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MIC2186  
Low Voltage PWM Control IC  
Final Information  
General Description  
Features  
Micrel’s MIC2186 is a high efficiency boost PWM control IC.  
With its wide input voltage range of 2.9V to 14V, the MIC2186  
can be used to efficiently boost voltages in 1- or 2-cell Li Ion  
battery powered applications, as well as to boost voltages in  
fixed 3.3V, 5V, or 12V systems. Its powerful 1.6output  
driverallowstheMIC2186tosupplylargeoutputcurrentswith  
the selection of proper external MOSFETs.  
Input voltage range: 2.9V to 14V  
1.6output driver  
Oscillator frequency of 100kHz/200kHz/400kHz  
Frequency sync to 600kHz  
Front edge blanking  
PWM Current Mode Control  
Selectable light load SKIP mode  
600µA quiescent current (SKIP-Mode)  
0.5µA shutdown current  
Cycle-by-Cycle current limiting  
Frequency foldback protection  
Adjustable under-voltage lockout  
Precision 1.245V reference output  
16 pin SOIC and QSOP package options  
The MIC2186 can be configured to operate at 100kHz,  
200kHz, or 400kHz. With it’s fixed frequency PWM architec-  
ture, and easily synchronized drive, the MIC2186 is ideal for  
noise-sensitive telecommunications applications.  
MIC2186 also features a low current shutdown mode of  
0.5µA and programmable undervoltage lockout. A manually  
selectable SKIP Mode allows high efficiencies in light load  
situations.  
Selectable 50% maximum duty cycle for flyback applica-  
tions  
TheMIC2186isavailablein16pinSOICandQSOPpackage  
options with an operating range from –40°C to 125°C.  
Applications  
DC power distribution systems  
Wireless Modems  
ADSL line cards  
SLIC power supplies  
1-and 2-cell Li Ion battery operated equipment  
Ordering Information  
Part Number  
Frequency  
100kHz/200kHz/400kHz  
Voltage  
Adj  
Ambient Temp. Range  
40°C to +125°C  
Package  
MIC2186BM  
16-lead SOP  
16-lead QSOP  
MIC2186BQS 100kHz/200kHz/400kHz  
Adj  
40°C to +125°C  
Typical Application  
MBR2535CT  
2.2µH  
VIN = 3.3V  
VOUT = 12V  
CIN  
120µF  
20V  
1
VINA  
12V Output Efficiency  
7
13  
15  
10  
4
EN/UVLO  
HIDC  
COUT  
95  
90  
85  
80  
75  
70  
65  
60  
16  
6
VINP  
FB  
150µF(x2)  
20V  
FREQ/2  
VDD  
MIC2186  
Si4404DY  
(x2)  
14  
9
COMP  
VREF  
SKIP  
OUTN  
CSH  
8
2
4.5mΩ  
11  
12  
SYNC  
PGND  
SS  
SGND  
VIN = 3.3V  
3
5
0
0.5  
1
1.5  
2
2.5  
3
OUTPUT CURRENT (A)  
Adjustable Output Boost Converter  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
July 2002  
1
MIC2186  

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