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MAX743EWE+

直流/直流开关稳压器, 反相, 2 输出, 4.2 V至6 V输入, 12V/125 mA输出, 200 kHz, WSOIC-16

MAXIM INTEGRATED PRODUCTS MAX743EWE+
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制造商产品编号:
MAX743EWE+
库存编号
2514016
技术数据表:
MAX743EWE+   Datasheet
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产品概述

The MAX743EWE+ is a 5V to ±15V or ±12V dual output, PWM switch mode regulator in 16 pin WSOIC package. This DC to DC converter contains all the circuitry needed to build small, dual output power supplies. Relying on a simple two terminal inductor rather than transformer, the MAX743 regulates both outputs independently to within ±4% over all condition of line voltage, temperature and load current. It typically provides 75% to 82% efficiency over most of the load range. The device operates with current mode feedback at 200KHz, so it can be used with small, lightweight external components. Also ripple and noise are easy to filter. The MAX743 is inherently reliable due to its internal, power transistor and monolithic construction. Thermal shutdown prevents overheating and cycle by cycle current sensing protects the power switch transistors. It also includes undervolatge lockout and programmable soft start.
  • Supply voltage range from 4.2V to 6V
  • Operating temperature range from -40°C to 85°C
  • Generates ±100mA to ±125mA
  • Provides in-circuit performance
  • Low noise current mode feedback and on-board current limiting
  • Oscillator frequency of 200KHz
  • Switches from ±15V to ±12V under logic control
  • Output voltage range from 14.55V to 15.45V (±15V mode) and 11.64V to 12.36V (±12V mode) at TA = 25°C
  • Supply current of 20mA and standby current of 2.2mA
  • Line regulation of 0.05%/% at V+ = 4.5V to 5.5V and load regulation of 1% at Iload = 0 to 100mA

应用

电源管理, 便携式器材

附注

请勿在供电情况下将设备插入插座, 确保输出滤波电容已连接.

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
2输出

:
4.2V

:
6V

:
WSOIC

:
16引脚

:
125mA

:
100mA

:
12V

:
15V

:
固定, 可调

:
200kHz

:
升压, 反相

:
85°C

:
-

:
MSL 1 -无限制
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技术文档 (1)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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