Datasheet > LMZ10501SE

LMZ10501SE

更新时间： 2024-09-16 11:37:47

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
20页	1331K
描述
1A SIMPLE SWITCHER? Nano Module with 5.5V Maximum Input Voltage

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中文翻译

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数据手册

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LMZ10501SE 数据手册

October 5, 2011

LMZ10501

1A SIMPLE SWITCHER® Nano Module with 5.5V Maximum

Input Voltage

8 Pin LLP-Footprint Package

System Performance

(Quick Overview Links: V_OUT= 1.2V, 1.8V, 2.5V, 3.3V)

Typical Efficiency at V_IN= 3.6V

100

30124731

SE08A 8 Pin Package

3.0 x 2.5 x 1.2 mm (0.118 x 0.098 x 0.047 in)

RoHS Compliant

Electrical Specifications

VOUT = 1.2V

VOUT = 1.8V

VOUT = 2.5V

VOUT = 3.3V

Up to 1A output current

■

Input voltage range 2.7V to 5.5V

Output voltage range 0.6V to 3.6V

Efficiency up to 95%

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

LOAD CURRENT (A)

Key Features

30124730

Integrated inductor

■

Output Voltage Ripple

V_IN= 5.0V, V_OUT= 1.8V, I_OUT= 1A

Miniature form factor (3.0 mm x 2.5 mm x 1.2 mm)

8-pin LLP footprint

-40°C to 125°C junction temperature range

Adjustable output voltage

2.0MHz fixed PWM switching frequency

Integrated compensation

Soft start function

Current limit protection

■

Thermal shutdown protection

Input voltage UVLO for power-up, power-down, and

brown-out conditions

Only 5 external components — resistor divider and 3

ceramic capacitors

■

30124733

Applications

Radiated EMI (CISPR22)

V_IN= 5.0V, V_OUT= 1.8V, I_OUT= 1A

Point of load conversions from 3.3V and 5V rails

■

Space constrained applications

Emissions (Evaluation Board)

EN 55022 Class B Limit

Low output noise applications

■

EN 55022 Class A Limit

Performance Benefits

Small solution size

■

Low output voltage ripple

Easy component selection and simple PCB layout

High efficiency reduces system heat generation

■

200

400

600

800

1000

FREQUENCY (MHz)

30124732

301247

www.national.com

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中文翻译

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