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| 型号： | MIC29310-5.0BU |
| 厂商： | Micrel Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V 3A TO-263-3 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 16V |
| 电压 - 压降（标准）： | 0.6V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3A |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-4，D²Pak（3 引线+接片），TO-263AA |
| 供应商设备封装： | TO-263-3 |
| 包装： | 管件 |
MIC29310/29312
General Description
MIC29310/29312
3A Fast-Response LDO Regulator
Features
Micrel
The MIC29310 and MIC29312 are low cost versions of
MIC29300 family low-dropout (LDO) regulators. Manufac-
tured on Micrel’s proprietary Super beta PNP? process,
the MIC29310/2 is a 3A LDO regulator with very low-dropout
voltage (600mV over the full load) and low ground current.
Along with a total accuracy of ±2% (over temperature, line
and load regulation) these regulators feature very fast tran-
sient recovery from input voltage surges and output load
?
?
?
?
?
?
?
?
Low cost versions of MIC29300 family
Fast transient response
3A current over full temperature range
600mV dropout voltage at full load
Low ground current
Accurate 1% guaranteed tolerance
“Zero” current shutdown mode (MIC29312)
Fixed voltage and adjustable versions
current changes.
The MIC29310 is available in ? xed 3.3V and 5V outputs
voltages; the MIC29312 has an adjustable output which can
be set by two external resistors to a voltage between 1.24V
to 15V. In addition, all versions are fully protected against
overcurrent faults, reversed input polarity, reversed lead
insertion, and overtemperature operation.
A TTL logic enable (EN) pin is available in the MIC29312 to
shutdown the regulator. When not used, the device can be set
to continuous operation by connecting EN to the input (IN).
The MIC29310/2 is available in the standard 3- and 5-pin
TO-220 and TO-263 packages with an operating junction
temperature range of 0°C to +125°C.
For applications requiring even lower dropout
voltage, input voltage greater than 16V, or an
error ? ag, see the MIC29300/29301/29302/
29303.
Typical Application
Applications
? Processor peripheral and I/O supplies
? PC add-in cards
? High-ef ? ciency “green” computer systems
? High-ef ? ciency linear power supplies
? High-ef ? ciency switching supply post regulator
? Battery-powered equipment
MIC29312
On
Off
EN
OUT
V OUT
V IN
MIC29310-x.x
V OUT
V IN
IN
ADJ
R1*
IN
OUT
GND
R2*
GND
V OUT = 1.240
R 1
R2
+1
* For best performance, total series resistance
(R1 + R2) should be small enough to pass
the minimum regulator load current of 10mA.
Fixed Regulator Con ? guration
Adjustable Regulator Con ? guration
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
MIC29310/29312
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| MIC29311-5.1BT | 功能描述:IC REG LDO 5.1V 3A TO-220-5 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 |
| MIC29311-5.1WT | 功能描述:低压差稳压器 - LDO 3.0A USB 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 |
| MIC29312BT | 功能描述:IC REG LDO ADJ 3A TO-220-5 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 |
| MIC29312BTL3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC29312BU | 功能描述:IC REG LDO ADJ 3A TO-263-5 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 |
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