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参数资料
| 型号： | MIC49300-0.9BR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 0.9V 3A SPAK-5 |
| 标准包装： | 48 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 0.9V |
| 输入电压： | 1.4 V ~ 6.5 V |
| 电压 - 压降（标准）： | 0.28V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SPAK-5 |
| 供应商设备封装： | S-PAK-5 |
| 包装： | 管件 |
MIC49300
3A Low Voltage LDO Regulator with Dual
Input Voltages
General Description
The MIC49300 is a high-bandwidth, low-dropout, 3.0A
voltage regulator ideal for powering core voltages of low-
power microprocessors. The MIC49300 implements a dual
supply con?guration allowing for very low output
impedance and very fast transient response.
The MIC49300 requires a bias input supply and a main
input supply, allowing for ultra-low input voltages on the
main supply rail. The input supply operates from 1.4V to
6.5V and the bias supply requires between 3V and 6.5V
for proper o peration. The MIC49300 offers ?xed output
voltages from 0.9V to 1.8V and adjustable output voltages
down to 0.9V.
The MIC49300 requires a minimum of output capacitance
for stability, working optimally with small ceramic
capacitors.
The MIC49300 is available in a 5-pin S-Pak. It operates
over a junction temperature range of – 40°C to +125°C.
Features
? Input voltage range:
? V IN : 1.4V to 6.5V
? V BIAS : 3.0V to 6.5V
? Stable with 1μF ceramic capacitor
? ±1% initial tolerance
? Maximum dropout voltage (V IN – V OUT ) of 500mV over
temperature
? Adjustable output voltage down to 0.9V
? Ultra-fast transient response (up to 10MHz bandwidth)
? Excellent line and load regulation specifications
? Logic controlled shutdown option
? Thermal shutdown and current limit protection
? Power S-Pak package
? Junction temperature range of – 40°C to +125°C
Applications
Datasheets and support documentation are available on
?
?
?
?
?
?
Graphics processors
PC add-in cards
Microprocessor core voltage supply
Low voltage digital ICs
High efficiency linear power supplies
SMPS post regulators
Typical Application
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944 - 0800 ? fax + 1 (408) 474 - 1000 ? http://www.micrel.com
January 22, 2014
Revision 3.0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC49300-1.2BR | 功能描述:IC REG LDO 1.2V 3A SPAK-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，固定式 输出电压:3.8V 输入电压:最高 16V 电压 - 压降（标准）:0.3V @ 80mA 稳压器数量:1 电流 - 输出:80mA 电流 - 限制（最小）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49300-1.2BR TR | 功能描述:IC REG LDO 1.2V 3A SPAK-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:3,000 系列:- 稳压器拓扑结构:正，固定式 输出电压:3.8V 输入电压:最高 16V 电压 - 压降（标准）:0.3V @ 80mA 稳压器数量:1 电流 - 输出:80mA 电流 - 限制（最小）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49300-1.2WR | 功能描述:低压差稳压器 - LDO Dual Supply, LV 3.0A LDO(ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC49300-1.2WR TR | 功能描述:低压差稳压器 - LDO Dual Supply, LV 3.0A LDO(ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC49300-1.2WRTR | 制造商:Micrel Semiconductor 功能描述:Cut Tape |
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