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| 型号： | MIC49150BR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.5A 5SPAK |
| 标准包装： | 48 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.9 V ~ 5 V |
| 输入电压： | 1.4 V ~ 6.5 V |
| 电压 - 压降（标准）： | 0.28V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A |
| 电流 - 限制（最小）： | 1.6A |
| 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 |
MIC49150
1.5A Low Voltage LDO Regulator
w/Dual Input Voltages
General Description
The MIC49150 is a high-bandwidth, low-dropout, 1.5A volt-
age regulator ideal for powering core voltages of low-
power microprocessors. The MIC49150 implements a dual
supply con ? guration allowing for very low output
impedance and very fast transient response.
The MIC49150 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 operation. The MIC49150 offers ? xed output
voltages from 0.9V to 1.8V and adjustable output voltages
down to 0.9V.
The MIC49150 requires a minimum of output capacitance
for stability, working optimally with small ceramic
capacitors.
The MIC49150 is available in an 8-pin power MSOP pack-
age and a 5-pin S-Pak. Its operating temperature range is
–40°C to +125°C.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
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 speci ? cations
? Logic controlled shutdown option
? Thermal shutdown and current limit protection
? Power MSOP-8 and S-Pak packages
? Junction temperature range: –40°C to 125°C
Applications
? Graphics processors
Typical Application
?
?
?
?
?
PC add-in cards
Microprocessor core voltage supply
Low voltage digital ICs
High efficiency linear power supplies
SMPS post regulators
V IN = 1.8V
MIC49150BR
IN OUT
V OUT = 1.0V
R1
V BIAS = 3.3V
BIAS
ADJ
C BIAS = 1μF
Ceramic
GND
R2 C OUT = 1μF
Ceramic
C IN = 1μF
Ceramic
Low Voltage,
Fast Transient Response Regulator
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
November 2006
1
M9999-111306
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC49150BR TR | 功能描述:IC REG LDO ADJ 1.5A 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 |
| MIC49150WR | 功能描述:低压差稳压器 - LDO Dual Supply, LV 1.5A 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 |
| MIC49150WR TR | 功能描述:低压差稳压器 - LDO Dual Supply, LV 1.5A 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 |
| MIC49150WRTR | 制造商:Micrel Inc 功能描述: 制造商:Micrel Inc 功能描述:0.9 V-5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO5 制造商:Micron Technology Inc 功能描述:0.9 V-5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO5 |
| MIC49150YMM | 功能描述:低压差稳压器 - LDO Dual Supply, LV 1.5A LDO(Lead Free) 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 |
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