Datasheet > CBM2576DS-3.3

CBM2576DS-3.3

更新时间： 2024-11-06 17:03:27

品牌	Logo	应用领域
芯佰微 - COREBAI		稳压器
页数	文件大小	规格书
16页	1228K
描述
降压稳压器

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CBM2576DS-3.3 数据手册

CBM2576-XX

OPERATION INSTRUCTION

The CBM2576 series of regulators are

FEATURES

monolithic integrated circuits ideally suited

for easy and convenient design of



3.3 V, 5.0 V, 12 V, 15 V, and Adjustable

step–down switching regulator (buck

Output Versions

converter). All circuits of this series are

capable of driving a 3.0 A load with excellent

line and load regulation. These devices are

available in fixed output voltages of 3.3 V, 5.0

V, 12 V, 15 V, and an adjustable output

version.



Adjustable Version Output Voltage

Range,1.23 to 37 V ±4%



Maximum Over Line and Load Conditions

Guaranteed 3.0 A Output Current

Wide Input Voltage Range

These regulators were designed to

minimize the number of external components

to simplify the power supply design. Standard

series of inductors optimized for use with the

CBM2576 are offered by several different

inductor manufacturers. Since the CBM2576

converter is a switch–mode power supply, its

efficiency is significantly higher in comparison

with popular three–terminal linear regulators,

especially with higher input voltages. In many

cases, the power dissipated is so low that no

heatsink is required or its size could be

reduced dramatically.

Requires Only 4 External Components

52 kHz Fixed Frequency Internal Oscillator

TTL Shutdown Capability, Low Power

Standby Mode



High Efficiency

Uses Readily Available Standard Inductors

Thermal Shutdown and Current Limit

Protection

APPLICATIONS

A standard series of inductors optimized

for use with the CBM2576 are available from

several different manufacturers. This feature

greatly simplifies the design of switch–mode

power supplies. The CBM2576 features

include a guaranteed ±4% tolerance on

output voltage within specified input voltages

and output load conditions, and ±10% on the

oscillator frequency (±2% over 0℃ to 125℃).

External shutdown is included, featuring 80 ㎂

(typical) standby current. The output switch

includes cycle–by–cycle current limiting, as

well as thermal shutdown for full protection

under fault conditions.



Simple High–Efficiency Step–Down (Buck)

Regulator



Efficient

Pre–Regulator

for

Linear

Regulators



On–Card Switching Regulators

Positive to Negative

(Buck–Boost)

Negative Step–Up Converters

Power Supply for Battery Chargers

Converter



GENERAL DESCRIPTION

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