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CM3112-12 PDF预览

CM3112-12

更新时间: 2024-01-20 12:50:17
品牌 Logo 应用领域
CALMIRCO 稳压器
页数 文件大小 规格书
14页 276K
描述
150mA/1.2V CMOS LDO Regulator

CM3112-12 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:LSSOP,
针数:5Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.33最大输入电压:5.5 V
最小输入电压:2.5 VJESD-30 代码:R-PDSO-G5
长度:2.9 mm功能数量:1
端子数量:5工作温度TJ-Max:150 °C
工作温度TJ-Min:最大输出电流 1:0.15 A
最大输出电压 1:1.26 V最小输出电压 1:1.14 V
标称输出电压 1:1.2 V封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:1.45 mm表面贴装:YES
技术:CMOS端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1.6 mm
Base Number Matches:1

CM3112-12 数据手册

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PRELIMINARY  
CM3112  
150mA/1.2V CMOS LDO Regulator  
with Power Good  
Features  
Product Description  
LDO regulator with Power Good  
The CM3112-12 is a low quiescent current (90uA) reg-  
ulator that delivers up to 150mA of load current at a  
fixed 1.2V output. All the necessary circuitry has been  
included to deliver a 50power good signal (open  
drain) which remains for 5ms after the output has  
exceeded 90% (typ) of its nominal level.  
No capacitor required on the LDO output  
Power Good (PG) control signal  
Regulated 1.2V output  
150mA output current  
Low quiescent operating current (90µA typical)  
"Zero" disable mode current  
Foldback current limiting protection  
Thermal shutdown protection  
SOT23-5 package  
Micrel MIC5258, MIC5268 compatible pinout  
Lead-free version available  
A dedicated control input (EN, Active High) has been  
included for power-up sequencing flexibility. When this  
input is taken low, the regulator is disabled. In this  
state, the supply current will drop to near zero. An inter-  
nal discharge MOSFET (500) resistance will force the  
output to ground whenever the device has been shut-  
down.  
The CM3112-12 is fully protected, offering both over-  
load current limiting and high temperature thermal  
shutdown.  
Applications  
Pentium4 Motherboards  
PC Cards  
Housed in a tiny SOT23 package, the device is ideal for  
space critical applications and is also available with  
optional lead-free finishing.  
Peripheral Adapter Cards  
Typical Application Circuit  
Simplified Electrical Schematic  
1.2V/150mA  
IN  
OUT  
1k  
EN  
+
CM3112-12  
VREF  
1.2V  
-
VOUT  
PG  
VIN  
EN  
IN  
OUT  
PG  
EN  
+
GND  
2.5ms  
-
0.1µF*  
0.1µF*  
PG  
VREF X 0.93  
GND  
1X  
* Optional  
GND  
© 2004 California Micro Devices Corp. All rights reserved.  
01/20/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112  
L
Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com  
1

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