MIC2205 Selling Leads, Price trend, MIC2205 DataSheet download, circuit diagram from SeekIC.com

Features: • 2.7 to 5.5V supply voltage• Light load LOWQ™ LDO mode18A quiescent currentLow noise, 75Vrms• 2MHz PWM modeOutput current to 600mA>95% efficiency100% maximum duty cycle• Adjustable output voltage option down to 1VFixed output voltage options available...

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SeekIC No. : 004420722 Detail

MIC2205: Features: • 2.7 to 5.5V supply voltage• Light load LOWQ™ LDO mode18A quiescent currentLow noise, 75Vrms• 2MHz PWM modeOutput current to 600mA>95% efficiency100% maximum du...

MIC2205 Data Sheet

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Part Number:: MIC2205
Supply Ability:: 5000

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Qty
1~5000

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Negotiable

Processing time
15 Days

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Upload time: 2024/11/26

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Product Details

Description

Features:

• 2.7 to 5.5V supply voltage
• Light load LOWQ™ LDO mode
18A quiescent current
Low noise, 75Vrms
• 2MHz PWM mode
Output current to 600mA
>95% efficiency
100% maximum duty cycle
• Adjustable output voltage option down to 1V
Fixed output voltage options available
• Ultra-fast transient response
• Stable with 1F ceramic output capacitor
• Fully integrated MOSFET switches
• Micropower shutdown
• Thermal shutdown and current limit protection
• Pb-free 3mm x 3mm MLF-10L package
• 40°C to +125°C junction temperature range

Application

• Cellular phones
• PDAs
• USB peripherals

Pinout

Connection Diagram

Specifications

Supply Voltage (V_IN) ........................................... +6V
Output Switch Voltage (V_SW) .............................. +6V
Output Switch Current (I_SW) ................................. 2A
Logic Input Voltage (V_EN,V_LOWQ) ............ -0.3V to VIN
Storage Temperature (T_s)............. -60°C to +150°C
ESD Rating(3) ...................................................... 3kV

Description

The Micrel MIC2205 is a high efficiency 2MHz PWM synchronous buck (step-down) regulator that features a LOWQ?LDO standby mode that draws only 18?/SPAN>A of quiescent current. The MIC2205 allows an ultra-low noise, small size, and high efficiency solution for portable power applications.

In PWM mode, the MIC2205 operates with a constant frequency 2MHz PWM control. Under light load conditions, such as in system sleep or standby modes, the PWM switching operation can be disabled to reduce switching losses. In this light load LOWQ?mode, the LDO maintains the output voltage and draws only 18?/SPAN>A of quiescent current. The LDO MIC2205 mode of operation saves battery life while not introducing spurious noise and high ripple as experienced with pulse skipping or bursting mode regulators.

The MIC2205 operates from 2.7V to 5.5V input and features internal power MOSFETs that can supply up to 600mA output current in PWM mode. It can operate with a maximum duty cycle of 100% for use in low-dropout conditions.

The MIC2205 is available in the 3mm x 3mm MLF-10L package with a junction operating range from ?0 to +125.

Data sheets and support documentation can be found on Micrel web site at www.micrel.com.

MIC2205

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