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参数资料
| 型号： | MIC29311-5.1BT |
| 厂商： | Micrel Inc |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5.1V 3A TO-220-5 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5.1V |
| 输入电压： | 6.1 V ~ 8 V |
| 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： | 通孔 |
| 封装/外壳： | TO-220-5 |
| 供应商设备封装： | TO-220-5 |
| 包装： | 管件 |
MIC29311
3A Fast-Response LDO Regulator for
USB
General Description
Features
The MIC29311 is a 3A, fast response, low-dropout (LDO)
voltage regulator. Using Micrel’s proprietary Super β eta
PNP? process, the MIC29311 offers exceptional dropout
(600mV at 3A) and low ground current (60mA at 3A). Fast
transient response allows it to recover quickly from large
load changes while maintaining a steady output. The
device can be sent into a “zero-current” off mode when the
TTL compatible enable is brought low.
Designed specifically for Universal Serial Bus (USB)
applications, the MIC29311 works with USB power
switches to provide an economical solution for self-
powered hubs. The 5.1V output voltage is optimized to
work with lower-cost high on-resistance USB power
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Fast transient response
3A output current over full temperature range
600mV dropout voltage at full load
Low ground current
3% total accuracy
“Zero” off-mode current
Thermal Shutdown
Current Limiting
Reversed battery protection
Fixed 5.1V Output
switches (300m ? ) to provide a minimum of 4.75V at
500mA to downstream ports. Used with MIC2527 quad
USB power switches, the MIC29311 can power up to 6
downstream ports.
Applications
? Self-powered USB hubs
? USB power switching
Features of the MIC29311 include thermal shutdown,
current limit, reversed-battery and reversed-lead insertion
protection. An overvoltage clamp is available to maintain a
safe output when the input voltage exceeds 8V. An error
flag is also available to indicate of the output falls out of
regulation, or when an overcurrent condition occurs.
The MIC29311 is available in a 5-pin TO-220 or TO-263
package with a fixed 5.1V output voltage.
For other high current, low-dropout voltage regulators,
please see the MIC29150/300/500/750 and the MIC29310,
MIC29510, MIC29710.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Ordering Information
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High-efficiency linear power supplies
High-efficiency switching supply post-regulator
Standard
Part Number
RoHS Compliant*
Voltage
Temperature Range
Package
MIC29311-5.1BT
MIC29311-5.1WT
5.1V
0° to +125°C
TO-220-5
* RoHs compliant with ‘high-melting solder’ exemption.
Super ?eta PNP is a trademarks of Micrel, Inc.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
September 2007
M9999-090507
相关PDF资料 |
PDF描述 |
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| MIC29310-5.0BU TR | IC REG LDO 5V 3A TO-263-3 |
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| GRM32RR61E475KC31L | CAP CER 4.7UF 25V 10% X5R 1210 |
| GEC06DRYH | CONN EDGECARD 12POS DIP .100 SLD |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MIC29312BU TR | 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 |
| MIC29312WT | 功能描述:低压差稳压器 - LDO 3.0A LDO Adj. + Shutdown (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 |
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