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| 型号： | MIC2214-KNBML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 10/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.6V/2.85V 10MLF |
| 标准包装： | 5,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.6V，2.85V |
| 输入电压： | 2.25 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.12V @ 150mA，0.24V @ 300mA |
| 稳压器数量： | 2 |
| 电流 - 输出： | 150mA，300mA |
| 电流 - 限制（最小）： | 150mA，300mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘，10-MLF? |
| 供应商设备封装： | 10-MLF?（3x3） |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC2214-KNBMLTR MIC2214-KNBMLTR-ND |
MIC2214
Input Capacitor
Adjustable Regulator Design
Micrel, Inc.
Good bypassing is recommended from input to ground to
help improve AC performance. A 1μF capacitor or greater
located close to the IC is recommended.
Bypass Capacitor
R1
VOUT1
ADJ1
VOUT2
ADJ2
R1
GND
V OUT
1.250
The internal reference voltage of the MIC2214 can be by-
passed with a capacitor to ground to reduce output noise and
increase power supply rejection (PSRR). A quick-start feature
allows for quick turn-on of the output voltage regardless of
the size of the capacitor. The recommended nominal bypass
capacitor is 0.01μF, but it can be increased without limit.
Output Capacitor
Each regulator output requires a 1μF ceramic output capaci-
tor for stability. The output capacitor value can be increased
to improve transient response, but performance has been
optimized for a 1μF ceramic type output capacitor.
X7R/X5R dielectric-type ceramic capacitors are recom-
mended because of their temperature performance. X7R-type
capacitors change capacitance by 15% over their operating
temperature range and are the most stable type of ceramic
capacitors. Z5U and Y5V dielectric capacitors change value
by as much as 50% and 60% respectively over their operat-
ing temperature ranges. To use a ceramic chip capacitor with
Y5V dielectric, the value must be much higher than an X7R
ceramic capacitor to ensure the same minimum capacitance
over the equivalent operating temperature range.
R2 R2
MIC2214 Adjustable Regulator Design
The MIC2214 allows the programming of the output voltages
1 and 2 anywhere between 1.25V and 5.5V, the maximum
operating rating of the part. Two resistors are required for each
output. Appropriate resistor values are required to prevent
the low quiescent current performance being compromised.
Resistor values recommended are between 100kΩ and
500kΩ.
The resistor values are calculated by:
R1 = R2 – 1
where V OUT is the desired output voltage. Calculate sepa-
rately for each output.
M9999-101705
10
October 2005
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2214-KNYML | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC2214-KNYML TR | 功能描述:低压差稳压器 - LDO Dual Cap LDO in 3mm x 3mm MLF (Lead Free) 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 |
| MIC2214-KNYML-EV | 功能描述:MIC2214 2 - Dual Channels per IC Positive Fixed Linear Voltage Regulator Evaluation Board 制造商:microchip technology 系列:- 零件状态:无货 每 IC 通道数:2 - 双 电压 - 输出:2.6V，2.85V 电流 - 输出:300mA，150mA 电压 - 输入:2.25 V ~ 5.5 V 稳压器类型:正，固定式 工作温度:-40°C ~ 125°C 板类型:完全填充 所含物品:板 使用的 IC/零件:MIC2214 标准包装:1 |
| MIC2214-KNYML-TR | 功能描述:Linear Voltage Regulator IC Positive Fixed 2 Output 2.6V, 2.85V 150mA, 300mA 10-MLF? (3x3) 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:停产 稳压器拓扑:正，固定式 电压 - 输出:2.6V，2.85V 电流 - 输出:150mA，300mA 电压 - 跌落（典型值）:0.12V @ 150mA，0.24V @ 300mA 稳压器数:2 电压 - 输入:2.25 V ~ 5.5 V 电流 - 限制（最小值）:150mA，300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-VFDFN 裸露焊盘，10-MLF? 供应商器件封装:10-MLF?（3x3） 标准包装:1 |
| MIC2214-KPBML TR | 功能描述:IC REG LDO 2.6/3V .15A/.3A 10MLF 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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