参数资料
型号: MIC59300WU
厂商: Micrel Inc
文件页数: 11/15页
文件大小: 0K
描述: IC REG LDO ADJ 3A TO263-5
标准包装: 50
稳压器拓扑结构: 正,可调式
输出电压: 0.5 V ~ 3.3 V
输入电压: 1 V ~ 3.8 V
电压 - 压降(标准): 0.205V @ 3A
稳压器数量: 1
电流 - 输出: 3A
电流 - 限制(最小): 3.3A
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: 管件
产品目录页面: 1109 (CN2011-ZH PDF)
其它名称: 576-3425-5
R 1 = R 2 × ? OUT ? 1 ?
Micrel, Inc.
capacitor of at least 1 μ F is needed directly between the
input and regulator ground. Refer to “ Application Note 9 ”
(http://www.micrel.com/_PDF/App-Notes/an-9.pdf) for
further details and examples on thermal design and heat
sink specification.
Minimum Load Current
The MIC59300, unlike most other high current
regulators, does not require a minimum load to maintain
output voltage regulation.
Adjustable Regulator Design
The MIC59300 adjustable version allows programming
the output voltage anywhere between 0.5Vand 3.3V.
Two resistors are used. The resistor value between V OUT
and the adjust pin should not exceed 10k ? . Larger
values can cause instability. The resistor values are
calculated by:
MIC59300
? V ?
? 0 . 5 ?
where V OUT is the desired output voltage.
Enable
An active high enable input (EN) allows on-off control of
the regulator. Current drain reduces to “zero” when the
device is shutdown, with only microamperes of leakage
current. The EN input has CMOS compatible thresholds
for simple logic interfacing. EN may be directly tied to
V BIAS and pulled up to the maximum supply voltage.
EPad
The exposed pad on the bottom of the SOIC part must
be connected to ground.
January 2009
11
M9999-010809-A
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MIC59300YME 功能描述:低压差稳压器 - LDO Ultra Fast 3A LDO 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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