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3.0 A, 15 V, Step-Down Switching Regulator
The JM2576 series of regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step–down switching regulator (buck 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.
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 JM2576 are offered by several different inductor manufacturers. Since the JM2576 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. | |
A standard series of inductors optimized for use with the | ||||
JM2576 are available from several | different manufacturers. | |||
This feature greatly simplifies the design of switch–mode power supplies. The JM2576 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°C to 125°C). 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.
JM2576-xx
TO-220-5L
JM2576T
TO-263-5L
JM2576S
Pin connections
1. Vin
2. Output
3. Ground
4. Feedback
5. ON/OFF
Features | ORDERING INFORMATION | ||||
· 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable | Device | Operating | Package | Packing | |
Output Versions | Temperature Range | ||||
· Adjustable Version Output Voltage Range, | JM2576S-xx | TA = -40° to 125° C | TO-263 | Tape & Reel | |
1.23 to 37 V ±4% | |||||
· Maximum Over Line and Load Conditions | JM2576T-xx | for all packages | TO-220 | Tube | |
· Guaranteed 3.0 A Output Current
· Wide Input Voltage Range
· 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
· Simple High–Efficiency Step–Down (Buck) Regulator
· Efficient Pre–Regulator for Linear Regulators
· On–Card Switching Regulators
· Positive to Negative Converter (Buck–Boost)
· Negative Step–Up Converters
· Power Supply for Battery Chargers
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Leven Cai 蔡明柱
深圳市奥伟斯科技有限公司
OWEIS ELECTRONICS Co., LIMITED.
址址:深圳市福田区深南中路3006号佳和华强大厦A座7楼701-703室
ADD:Rm701-703, Block A, Jiahe huaqiang Bldg., Shennan zhong Rd., Futian District, Shenzhen, Guangdong, China 518000
E-Mail : leven@oweis-tech.com
www.oweis-tech.com
www.oweis-tech.cn
专业代理销售电容式触摸芯片 电源管理芯片 单片机 MOS管 IKSEMI一级代理
- 产品参数
- 图文介绍
- 企业简介
- 企业地址
