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MIC2807-OOYMLTR

更新时间： 2024-09-30 14:34:39
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
18页 431K
描述
2-CHANNEL POWER SUPPLY SUPPORT CKT, QCC17, 2.50 X 2.80 MM, GREEN, MLF-17

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MIC2807-OOYMLTR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Transferred零件包装代码：DFN
包装说明：VQCCN,针数：17
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.69
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-XQCC-N17JESD-609代码：e4
长度：2.8 mm湿度敏感等级：1
信道数量：2功能数量：1
端子数量：17最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：VQCCN封装形状：RECTANGULAR
封装形式：CHIP CARRIER, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.9 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.7 V
标称供电电压 (Vsup)：3.6 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：NICKEL PALLADIUM GOLD
端子形式：NO LEAD端子节距：0.45 mm
端子位置：QUAD处于峰值回流温度下的最长时间：40
宽度：2.5 mmBase Number Matches：1

MIC2807-OOYMLTR 数据手册

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MIC2807  
RF PA Power Management IC  
2MHz, 600mA DC/DC w/DAC Input and  
Bypass Switch, Dual Low Noise  
200mA/30mA LDO Regulators  
General Description  
Features  
The MIC2807 integrates a high performance 600mA  
DC/DC converter intended for powering a power amplifier  
(PA) in a mobile phone with dual low noise low dropout  
(LDO) regulators for the rest of the RF section. Optimized  
for low noise performance, the MIC2807 improves  
efficiency in the handset without compromising quality.  
• 2.7V to 5.5V input voltage range  
• Stable with ceramic output capacitors  
• Tiny 17-pin 2.5mm x 2.8mm MLF® Package  
• Thermal shutdown protection  
• Current limit protection  
RF PA Power Supply DC/DC Converter  
• Adjustable output power supply – DAC controlled  
The MIC2807 has a 2MHz, constant frequency pulse width  
modulated (PWM) DC/DC converter designed for low  
noise operation and high efficiency. The output voltage  
(VOUT) is variable from 0.3V to the input voltage (VIN),  
adjustable from 0.3V to 3.6V through a DAC input when  
VIN > VOUT. The converter will work in a 100% duty cycle  
mode to offer maximum power and efficiency in the  
application. In addition to 100% duty cycle, the DC/DC  
converter has a bypass mode of operation where the input  
voltage node (PVIN pin) is shorted to the output voltage  
node (OUT pin) through a 95mΩ switch.  
–
VOUT = VDAC x 3  
• Bypass mode operation  
–
–
Internal 95mꢀ switch between PVIN and OUT pins  
VDAC > 1.2V  
• Up to 600mA output current in PWM mode  
• 100% duty cycle operation for maximum efficiency  
• Tiny 4.7µH, 1µF output inductor and capacitor  
• Low-noise 2MHz PWM operation  
• >90% efficiency  
The integrated dual low noise low dropout regulators are  
optimized for high PSRR capability and fast turn-on times.  
The constant frequency DC/DC converter along with dual  
low noise LDO regulators enables a very quiet and  
efficient solution for mobile applications.  
Dual Low Noise Low Dropout Regulators  
• High accuracy – ±2% over temperature  
• High PSRR – greater than 70dB  
• Very low output noise – 32µVrms  
• LDO1 – 200mA output current capability  
• LDO2 – 30mA output current capability  
The MIC2807 is a µCap design, operating with small  
ceramic output capacitors and inductors for stability,  
reducing required board space and component cost and it  
is available in the tiny 2.5mm x 2.8mm MLF® package.  
Applications  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
• CDMA2000 mobile phones  
• UMTS/WCDMA mobile phones  
• Wibro modules  
• WiFi modules  
• Power amplifier modules (PAMs) with linear PAs  
Typical Application  
DC/DC Output Voltage  
vs. DAC Voltage  
4.5  
V
OUT  
= 4.2V  
= 100mA  
IN  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
I
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5  
DAC VOLTAGE (V)  
CDMA2000/WCDMA RF Power Supply Circuit  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, 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  
M9999-022008-B  
February 2008  
1234567...18

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