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GU1084

GU1084

  • 厂商:

    GTM

  • 封装:

  • 描述:

    GU1084 - 5A Low Dropout Positive Adjustable or Fixed-Mode Regulator - GTM CORPORATION

  • 详情介绍
  • 数据手册
  • 价格&库存
GU1084 数据手册
ISSUED DATE :2003/06/14 REVISED DATE :2006/03/29E GU1084 5A Low Dropout Positive Adjustable or Fixed-Mode Regulator The GU1084 is a low dropout positive adjustable or fixed mode regulator with minimum of 5.0A output current capability .The product is specifically designed to provide well regulated supply for low voltage IC applications such as high speed bus termination and low current 3.3v logic supply. GU1084 is also well suited for other applications such as VGA cards. GU1084 is guaranteed to have lower than 1.5V dropout at full load current making it ideal to provide well regulated outputs of 1.25 to 3.3V with 4.7 to 12V input supply. Description Features & maximum dropout at full load current 1.5V Package Dimensions &Built-in thermal shutdown &Output current limiting &Adjustable output voltage or fixed 1.5V,1.8V,2.5V,3.3V,5.0V &Fast transient response &Good noise rejection REF. A b L4 c L3 L1 E Millimeter REF. Min. Max. 4.40 4.80 c2 0.76 1.00 b2 0.00 0.30 B D 0.36 0.5 e 1.50 REF. L 2.29 2.79 9.80 10.4 L2 Millimeter Min. Max. 1.25 1.45 1.17 1.47 8.6 9.0 2.54 REF. 14.6 15.8 0˚ 8˚ 1.27 REF. Typical Circuit Block Diagram Pin Descriptions Name Adj (GND) Vout O I/O PIN# 1 2 Adjustable (Ground only for fixed mode) The output of the regulator. A minimum of 10uF c apacitor must be connected from this pin to ground to insure stability. The input pin of regulator .Typically a large storage capacitor is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response .This pin must always be 1.5V higher than Vout in order for the device to r egulate properly. FUNCTION Vin I 3 GU1084 Page: 1/4 ISSUED DATE :2003/06/14 REVISED DATE :2006/03/29E Absolute Maximum Ratings Symbol Vin PD TST TOP DC Supply Voltage P ower Dissipation Storage Temperature Operating Junction Temperature Range Parameter Ratings -0.3 to 12 Internally Limited -65 ~ + 150 0 ~ + 150 : : Unit V Electrical Characteristics Symbol VREF Parameter GU1084ADJ GU1084-1.5 GU1084-1.8 Output Voltage GU1084-2.5 GU1084-3.3 GU1084-5.0 Line Regulation GU1084XXX GU1084ADJ GU1084-1.5 Load Regulation GU1084-1.8 GU1084-2.5 GU1084-3.3 GU1084-5.0 Vo ILIM IMIN IADJ IQ Dropout Voltage Current Limit Minimum Load Current Adjust Pin Current Quiescent Current Temperature Stability JA JC Thermal Resistance Junction-to-Ambient(No heat sink ;No air flow) Thermal Resistance Junction-to-Case Conditions(Notes) Io=10mA, Tj=25 : , (Vin-Vout )=1.5V Io=10mA, Tj=25 : , 3.0V Vin 12V Io=10mA, Tj=25 : , 3.3V Vin 12V Io=10mA, Tj=25 : , 4.0V Vin 12V Io=10mA, Tj=25 : , 4.8V Vin 12V Io=10mA, Tj=25 : , 6.5V Vin 12V Io=10mA, Vout+1.5V
GU1084
1. 物料型号: - 型号:GU1084

2. 器件简介: - GU1084是一款低 dropout 正压可调或固定模式调节器,具有至少5.0A的输出电流能力。该产品专为低电压IC应用设计,例如高速总线终端和低电流3.3V逻辑电源。GU1084也适用于其他应用,如VGA卡。GU1084保证在满载电流下dropout低于1.5V,使其成为提供1.25至3.3V的稳定输出的理想选择,输入电压为4.7至12V。

3. 引脚分配: - 1号引脚:Adj (GND),可调模式下使用,固定模式下接地。 - 2号引脚:Vout,调节器的输出。需要连接至少10uF的电容以确保稳定性。 - 3号引脚:Vin,调节器的输入。通常在此引脚和地之间连接一个大的储能电容,以确保在负载瞬态响应期间输入电压不会低于最小dropout电压。

4. 参数特性: - 最大dropout电压:1.5V - 内置热保护 - 输出电流限制 - 可调输出电压或固定1.5V、1.8V、2.5V、3.3V、5.0V - 快速瞬态响应 - 良好的噪声抑制

5. 功能详解: - GU1084是一个三端设备,可以通过添加两个外部电阻轻松编程至1.25V至5V范围内的任何电压。 - 需要1.5V的Vin和Vout之间的差值以保持输出调节。 - 输出电压公差非常紧,包括瞬态响应作为规格的一部分。

6. 应用信息: - 适用于需要快速电流瞬态响应和提供准确初始电压的应用,减少整体系统成本,减少输出电容器的需求。

7. 封装信息: - 封装尺寸图已提供,但具体数值需要参考PDF文档中的图表。
GU1084 价格&库存

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