Datasheet > LM10506_14

LM10506_14

更新时间： 2024-02-01 03:19:44

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
35页	780K
描述
Triple Buck LDO Power Management Unit

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LM10506_14 数据手册

June 5, 2012

LM10506

Triple Buck + LDO Power Management Unit

1.0 General Description

3.0 Features

The LM10506 is an advanced PMU containing three config-

urable, high-efficiency buck regulators for supplying variable

voltages. The device is ideal for supporting ASIC and SOC

designs for Solid-State and Flash drives.

Three highly efficient programmable buck regulators

■

Integrated FETs with low R_DSON

—

Bucks operate with their phases shifted to reduce the

input current ripple and capacitor size

The LM10506 operates cooperatively with ASIC to optimize

the supply voltage for low-power conditions and Power Sav-

ing modes via the SPI interface. It also supports a 100 mA

LDO and a programmable Interrupt Comparator.

Programmable Output Voltage via the SPI interface

Overvoltage and Undervoltage Lockout

—

Automatic internal soft start with Power-on reset

Current overload and thermal shutdown protection

Bypass mode available on Bucks 1 and 2

2.0 Key Specifications

PFM mode for low-load, high-efficiency operation

Programmable Buck Regulators:

■

Low-dropout LDO 3.2V, 100 mA

■

Buck 1: 1.1V to 3.6V; 1.3A

—

SPI-programmable interrupt comparator (2.0V to 4.0V)

Alternate Buck V_OUTSselectable via H/L logic pins

RESET, STANDBY pins

Buck 2: 1.1V to 3.6V; 400 mA

Buck 3: 0.7V to 1.335V; 600 mA

±3% feedback voltage accuracy

■

Up to 95% efficient buck regulators

4.0 Applications

2MHz switching frequency for smaller inductor size

2.8 x 2.8 mm, 0.4 mm pitch, 34-bump micro SMD package

Solid-State Drives

■

5.0 Typical Application Diagram

30166201

301662 SNVS729B

www.ti.com

12 3 4 5 6 7...35

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