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参数资料
| 型号： | MIC29303BU TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 3A TO-263-5 |
| 标准包装： | 750 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.25 V ~ 26 V |
| 输入电压： | 最高 26V |
| 电压 - 压降（标准）： | 0.37V @ 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： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | TO-263-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC29303BUTR MIC29303BUTR-ND |
MIC29150/29300/29500/29750
High-Current Low-Dropout Regulators
proprietary Super β eta PNP
process with a PNP pass
TO-220 and surface mount TO-263 (D Pak) packages.
General Description
The MIC29150/29300/29500/29750 are high current, high
accuracy, low-dropout voltage regulators. Using Micrel's
?
element, these regulators feature 350mV to 425mV (full
load) typical dropout voltages and very low ground current.
Designed for high current loads, these devices also find
applications in lower current, extremely low dropout-critical
systems, where their tiny dropout voltage and ground
current values are important attributes.
The MIC29150/29300/29500/29750 are fully protected
against overcurrent faults, reversed input polarity, reversed
lead insertion, overtemperature operation, and positive
and negative transient voltage spikes. Five pin fixed
voltage versions feature logic level ON/OFF control and an
error flag which signals whenever the output falls out of
regulation. Flagged states include low input voltage
(dropout), output current limit, overtemperature shutdown,
and extremely high voltage spikes on the input.
On the MIC29xx1 and MIC29xx2, the ENABLE pin may be
tied to VIN if it is not required for ON/OFF control. The
MIC29150/29300/29500 are available in 3-pin and 5-pin
2
Features
? High current capability:
? MIC29150/29151/29152/29153.............................. 1.5A
? MIC29300/29301/29302/29303................................. 3A
? MIC29500/29501/29502/29503................................. 5A
? MIC29750/29751/29752 ......................................... 7.5A
? Low-dropout voltage
? Low ground current
? Accurate 1% guaranteed tolerance
? Extremely fast transient response
? Reverse-battery and “Load Dump” protection
? Zero-current shutdown mode
(5-pin versions)
? Error flag signals output out-of-regulation
(5-pin versions)
? Also characterized for smaller loads with industry-
leading performance specifications
? Fixed voltage and adjustable versions
Applications
? Battery-powered equipment
The MIC29750 7.5A regulators are available in 3-pin and
5-pin TO-247 packages. The 1.5A, adjustable output
MIC29152 is available in a 5-pin power D-Pak (TO-252)
package.
For applications with input voltage 6V or below, see
?
?
?
?
High-efficiency “Green” computer systems
Automotive electronics
High-efficiency linear lower supplies
High-efficiency lost-regulator for switching supply
MIC37xxx LDOs.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com .
_________________________________________________________________________________________________________________________
Typical Application**
Fixed Output Voltage
Super βeta PNP is a registered trademark of Micrel, Inc.
Adjustable Output Voltage
(*See Minimum Load Current Section)
**See Thermal Design Section
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
December 2012
M9999-122012-B
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| MIC29303WT | 功能描述:低压差稳压器 - LDO 3.0A LDO Adj. + Error Flag(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 |
| MIC29303WU | 功能描述:低压差稳压器 - LDO 3.0A LDO Adj. + Error Flag(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 |
| MIC29303WU TR | 功能描述:低压差稳压器 - LDO 3.0A LDO Adj. + Error Flag(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 |
| MIC293103.3 | 制造商:Micrel Inc 功能描述: |
| MIC293103.3BT | 制造商:Micrel Inc 功能描述: |
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