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8MHz Power Module System in 14-ld MLF
Overview
- Driver Type:Step Down (Buck)
- VIN Min V:2.7
- VIN Max V:5.5
- Adjustable:Yes
- Temp Range Min °C (degrees Celsius):-40
- Temp Range Max °C (degrees Celsius):125
- Control Mode:PWM
- HyperLight Load®:No
- Hyper Speed Control®:No
- LowQ®:Yes
- Output Current:0.6
- Output Voltage (V):1.5, Adj
- PWR Good:
- Soft Start:
- VOUT Max V (volt):5.5
- 2.7 to 5.5V supply voltage
- 18µA quiescent current
- Low noise, 75µVrms
- Output current to 600mA
- >90% efficiency
- 100% maximum duty cycle
- Adjustable output voltage option down to 1V
- Ultra-fast transient response
- No external inductor required
- Enables sub 1mm profile solution
- Fully integrated MOSFET switches
- Micropower shutdown
- Thermal shutdown and current limit protection
- Pb-free 14-pin 3mm x 3.5mm package
- -40°C to +125°C junction temperature range
The MIC3385 is a high efficiency inductorless buck regulator that features a LowQ® LDO standby mode that draws only 18µA of quiescent current. The MIC3385 requires no external inductor enabling an ultra-low noise, small size, and high efficiency solution for portable power applications.
In PWM mode, the MIC3385 operates with a constant frequency 8MHz 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 18µA of quiescent current. The LDO mode of operation saves battery life while not introducing spurious noise and high ripple as experienced with pulse skipping or bursting mode regulators.
The MIC3385 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 MIC3385 is available in the 14-pin 3mm x 3.5mm package with a junction operating range from -40°C to +125°C.
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Tools And Software
Development Environment
Demo & Evaluation Boards
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 Online power solutions, accelerated
MPLAB Analog Designer (MAD) allows you to choose an existing solution or customize a suggested design. Schematics and component lists are included. View or modify your choice and, with one click, export the design files to MPLAB Mindi Analog Simulator for verification and analysis.
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| The MIC3385 is a high efficiency 8MHz PWM synchronous step-down switching regulator that features a LOWQ® LDO standby mode that draws only 20μA of quiescent current. The MIC3385 features an ultra-low noise, small size, and high efficiency solution for por |
["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
Design Resources
Reference Designs
Code Examples
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