Datasheet > MIC23156

MIC23156

更新时间： 2024-09-19 12:31:15

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
22页	1542K
描述
1.5A, 3MHz Synchronous Buck Regulator with HyperLight LoadÂ® and I2C Control for Dynamic Voltage Scaling

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MIC23156 数据手册

MIC23156

1.5A, 3MHz Synchronous Buck Regulator

with HyperLight Load^®and I²C Control for

Dynamic Voltage Scaling

General Description

Features

The MIC23156 is a high-efficiency 1.5A synchronous buck

regulator with HyperLight Load^®mode and dynamic

voltage scaling control through I²C. HyperLight Load

provides very high efficiency at light loads and ultra-fast

transient response. The ability to dynamically change the

output voltage and maintain high output voltage accuracy

make the MIC23156 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. Fast mode plus I²C provides output

voltage and chip enable/disable control from standard I²C

bus with I²C clock rates of 100kHz, 400kHz, and 1MHz.

• Input voltage: 2.7V to 5.5V

• Up to 1.5A output current

• 1MHz I²C-controlled adjustable output

− V_OUT= 0.7 to 2.4V in 10mV steps

• High output voltage accuracy (±1.5% over temperature)

• Fast pin–selectable output voltage

• Programmable soft-start using external capacitor

• Ultra-low quiescent current of 30µA when not switching

• Thermal-shutdown and current-limit protection

• Safe startup in to pre-biased output

• Stable with 1µH output inductor and 2.2µF ceramic

capacitor

The MIC23156 is designed for use with 1µH, and an

output capacitor as small as 2.2µF that enables a total

solution size, less than 1mm in height.

• Up to 93% peak efficiency

• −40°C to +125°C junction temperature range

The MIC23156 is available in both 16-ball, 0.4mm Pitch,

1.81mm x 1.71mm wafer level chip scale (WLCSP), and

17-pin 2.8mm x 2.5mm MLF^®packages with an operating

junction temperature range of –40°C to +125°C.

Applications

• Mobile handsets

• Solid state drives (SSD)

• WiFi/WiMx/WiBro modules

• Portable applications

Datasheets and support documentation are available on

Micrel’s web site at: www.micrel.com.

Typical Application

HyperLight Load is a registered trademark of Micrel, Inc.

MLF and MicroLead Frame 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

Revision 1.0

April 22, 2013

12 3 4 5 6 7...22

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与MIC23156相关器件

型号	品牌	获取价格	描述	数据表
MIC23156-0YCS	MICREL	获取价格	1.5A, 3MHz Synchronous Buck Regulator with Hy
MIC231560YCS-T5	MICROCHIP	获取价格	1.5A, 3MHz Synchronous Buck Regulator with Hy
MIC23156-0YCS-TR	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC231560YCS-TR	MICROCHIP	获取价格	1.5A, 3MHz Synchronous Buck Regulator with Hy
MIC23156-0YML	MICREL	获取价格	1.5A, 3MHz Synchronous Buck Regulator with Hy
MIC23156-0YML-T5	MICROCHIP	获取价格	IC REG BUCK PROG 1.5A SYNC 17MLF
MIC231560YML-T5	MICROCHIP	获取价格	1.5A, 3MHz Synchronous Buck Regulator with Hy
MIC23156-0YML-TR	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC231560YML-TR	MICROCHIP	获取价格	1.5A, 3MHz Synchronous Buck Regulator with Hy
MIC23158	MICREL	获取价格	3MHz PWM Dual 2A Buck Regulator with HyperLight Load and Power Good

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