Datasheet > LMZ22010

LMZ22010

更新时间： 2024-09-14 11:37:47

品牌	Logo	应用领域
美国国家半导体 - NSC		电源电路
页数	文件大小	规格书
16页	2751K
描述
Sharing Evaluation Board power modules are easy-to-use DC-DC

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LMZ22010 数据手册

National Semiconductor

Application Note 2093

Marc Davis-Marsh

April 7, 2010

LMZ23610/8/6 and

LMZ22010/8/6 Current

Sharing Evaluation Board

Introduction

Board Specifications

The LMZ23610/8/6 and LMZ22010/8/6 SIMPLE SWITCH-

ER® power modules are easy-to-use DC-DC solution capa-

ble of driving up to a 10, 8 or 6 ampere load. They are

available in an innovative package that enhances thermal

performance and allows for hand or machine soldering. The

LMZ23610/8/6 can accept an input voltage rail between 6V

and 36V and the LMZ22010/8/6 can accept an input voltage

rail between 6V and 20V.

•

V_IN= 6V to 36V (LMZ23610/8/6)

V_IN= 6V to 20V (LMZ22010/8/6)

V_OUT= 1.2V, 2.5V, 3.3V or 5V (minimum input voltage of

7V required for 5V output)

•

I_OUT= 0 to 10, 8, or 6 Amps

_JA= 8.8 °C / W, θ_JC= 1.0 °C/W

Designed on four layers; Inner are 2 oz copper; Outer are

2 oz copper.

The current sharing evaluation board is designed so that four

modules can be easily connected to supply up to a 40 amp

load. More can be connected as long as care is taken to not

exceed the current capabilities of the banana plug connectors

and the 5-amp per pin rating of the edge board connector.

•

Measures 3.54" x 3.54" (90 mm x 90 mm) and is 62 mils

(1.57 mm) thick of FR4 laminate material

For additional circuit considerations, including additional out-

put voltage options, refer to the Applications Section section

of the LMZ23610/8/6 or LMZ22010/8/6 data sheets. For neg-

ative output voltage connections see AN-2027.

The current sharing evaluation board is highly configurable.

The output voltage can be changed to 5V, 3.3V, 2.5V or 1.2V

with a jumper change. The external soft-start capacitor facil-

itates a controlled and adjustable startup rise time of the

output. The board temperature can be measured with the on-

board resistor. The UVLO can be adjusted by adding one

resistor. To simplify the synchronization of the modules an

onboard 555 timer provides an adjustable frequency clock

from 350 to 600 kHz.

The LMZ23610 and LMZ22010 family is a reliable and robust

solution with the following features: loss-less cycle-by-cycle

valley current limit to protect for over current or short-circuit

fault, thermal shutdown, input under-voltage lockout, and will

start up into a pre-biased output.

Simplified Schematic

30138708

FIGURE 1.

301387

www.national.com

12 3 4 5 6 7...16

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与LMZ22010相关器件

型号	品牌	获取价格	描述	数据表
LMZ22010TZ/NOPB	TI	获取价格	具有 20V 最大输入电压和电流共享的 10A SIMPLE SWITCHER® 电源模块
LMZ22010TZE/NOPB	TI	获取价格	具有 20V 最大输入电压和电流共享的 10A SIMPLE SWITCHER® 电源模块
LMZ22016	NSC	获取价格	Sharing Evaluation Board power modules are easy-to-use DC-DC
LMZ22018	NSC	获取价格	Sharing Evaluation Board power modules are easy-to-use DC-DC
LMZ2320-7	POWER-ONE	获取价格	50 Watt AC-DC Converters
LMZ2320-7AF	BEL	获取价格	AC-DC Regulated Power Supply Module, 2 Output, 50W, Hybrid
LMZ2320-7AHF	BEL	获取价格	AC-DC Regulated Power Supply Module, 2 Output, 50W, Hybrid
LMZ2320-7D0	BEL	获取价格	AC-DC Regulated Power Supply Module, 2 Output, 50W, Hybrid
LMZ2320-7D0AF	BEL	获取价格	AC-DC Regulated Power Supply Module, 2 Output, 50W, Hybrid
LMZ2320-7D0AH	BEL	获取价格	AC-DC Regulated Power Supply Module, 2 Output, 50W, Hybrid

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