MIC23030 Series

8MHz 400mA HyperLight Load® Synchronous Buck Regulator

Catalog

8MHz 400mA HyperLight Load® Synchronous Buck Regulator

Part	Function	Number of Outputs	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Input (Max) [Max]	Frequency - Switching	Current - Output	Voltage - Input (Min) [Min]	Mounting Type	Package / Case	Supplier Device Package	Topology	Output Configuration	Output Type	Voltage - Output (Min/Fixed)	Supplier Device Package [x]	Supplier Device Package [y]
Microchip Technology MIC23030-4YMT-TR	Step-Down	1	-40 °C	125 ¯C	5.5 V	8 MHz	400 mA	2.7 V	Surface Mount	6-TMLF® 6-UFDFN Exposed Pad	6-TMLF® (1.6x1.6)	Buck	Positive	1.81 mOhm	1.2 V
Microchip Technology MIC23030-GYMT-TR	Step-Down	1	-40 °C	125 ¯C	5.5 V	8 MHz	400 mA	2.7 V	Surface Mount	6-TMLFÛ 6-UFDFN Exposed Pad	6-TMLFÛ	Buck	Positive	1.81 mOhm	1.8 V	1.6	1.6
Microchip Technology MIC23030-CYMT-TR	Step-Down	1	-40 °C	125 ¯C	5.5 V	8 MHz	400 mA	2.7 V	Surface Mount	6-TMLF® 6-UFDFN Exposed Pad	6-TMLF® (1.6x1.6)	Buck	Positive	1.81 mOhm	1 V

Catalog

8MHz 400mA HyperLight Load® Synchronous Buck Regulator

Key Features

• * Input voltage: 2.7V to 5.5V

• * 400mA output current

• * Up to 91% efficiency and 83% at 1mA

• * 21 µA typical quiescent current

• * 8MHz PWM operation in continuous mode

• * Ultra fast transient response

• * Low voltage output ripple

• * Fully integrated MOSFET switches

• * 0.01 µA shutdown current

• * Thermal shutdown and current limit protection

• * Fixed and adjustable output voltage options available

• * -40 °C to +125 °C junction temperature range

Description

The MIC23030 is a high efficiency 8MHz 400mA synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very high efficiency at light loads and ultra-fast transient response which is perfectly suited for supplying processor core voltages. An additional benefit of this proprietary architecture is very low output ripple voltage throughout the entire load range with the use of small output capacitors. The MIC23030 is designed for use with a very small inductor, down to 0.47µH, and an output capacitor as small as 2.2µF that enables a sub-1mm height. The MIC23030 has a very low quiescent current of 21µA and achieves as high as 83% efficiency at 1mA. At higher loads, the MIC23030 provides a constant switching frequency around 8MHz while achieving peak efficiencies up to 91%.