Datasheet > C3225X5R1A476M

C3225X5R1A476M

更新时间： 2024-11-29 12:19:55

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
22页	980K
描述
3A SIMPLE SWITCHERÂ® Power Module with 5.5V Maximum Input Voltage

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C3225X5R1A476M 数据手册

June 10, 2010

LMZ10503

3A SIMPLE SWITCHER® Power Module with 5.5V Maximum

Input Voltage

Easy to Use 7 Pin Package

Performance Benefits

Operates at high ambient temperatures

■

High efficiency up to 96% reduces system heat generation

Low radiated emissions (EMI) complies with EN55022

class B standard (Note 4)

Low output voltage ripple of 10 mV allows for powering

noise-sensitive transceiver and signaling ICs

■

Fast transient response for powering FPGAs and ASICs

■

System Performance

301118a4

TO-PMOD 7 Pin Package

Current Derating (V_OUT= 3.3V)

10.16 x 13.77 x 4.57 mm (0.4 x 0.39 x 0.18 in)

_JA= 20°C/W, θ_JC= 1.9°C/W (Note 3)

RoHS Compliant

Electrical Specifications

15W maximum total output power

■

Up to 3A output current

Input voltage range 2.95V to 5.5V

Output voltage range 0.8V to 5V

±1.63% feedback voltage accuracy over temperature

Efficiency up to 96%

301118a5

Key Features

Efficiency (V_OUT= 3.3V)

Integrated shielded inductor

■

Flexible startup sequencing using external soft-start,

tracking, and precision enable

Protection against in-rush currents and faults such as input

UVLO and output short-circuit

■

-40°C to +125°C junction temperature operating range

■

Single exposed pad and standard pinout for easy

mounting and manufacturing

Pin-to-pin compatible with

LMZ10504 (4A/20W max)

LMZ10505 (5A/25W max)

■

Fully enabled for WEBENCH® and Power Designer

■

30111871

Radiated Emissions (EN 55022, Class B)

Applications

Point-of-load conversions from 3.3V and 5V rails

■

Space constrained applications

Extreme temperatures/no air flow environments

Noise sensitive applications (i.e. transceiver, medical)

■

301118a6

Note 1: Note 1: θ _JAmeasured on a 2.25” x 2.25” (5.8 cm x 5.8 cm) four layer board. Refer to PCB Layout Diagrams or Evaluation Board Application Note:

AN-2022.

Note 2: Note 2: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Figure 5 and layout for information on device under test.

301118

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