MAX1760H

0.8A、低噪声、1MHz、升压型DC-DC转换器


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说明

The MAX1760/MAX1760H are high-efficiency, low-noise, step-up DC-DC converters intended for use in battery-powered wireless applications. They combine low quiescent supply current (100µA) with a high 1MHz operating frequency. Small external components and tiny 10-pin TDFN and µMAX® packages make this device an excellent choice for small hand-held applications. The MAX1760 is activated by a logic-low active-low ON signal while the MAX1760H is activated by a logic-high ON input.

Both devices use a synchronous-rectified pulse-width-modulation (PWM) boost topology to generate 2.5V to 5.5V outputs from a wide range of inputs, such as 1 to 3 alkaline or NiCd/NiMH cells or a single lithium-ion (Li+) cell. Proprietary Idle-Mode™ circuitry significantly improves light-load efficiency and smoothly transitions to fixed-frequency PWM operation at higher load currents.

Low-noise, forced-PWM mode is available for applications requiring constant-frequency operation at all load currents. PWM operation can also be synchronized to an external clock to protect sensitive frequency bands in communications equipment. Analog soft-start and adjustable current limit permit optimization of efficiency, external component size, and output voltage ripple.
MAX1760、MAX1760H:典型工作电路 MAX1760、MAX1760H:典型工作电路 放大+

关键特性

  • Up to 94% Efficiency
  • 0.7V to 5.5V Input Range
  • Up to 800mA Output
  • Fixed 3.3V Output (or Adjustable from 2.5V to 5.5V)
  • PWM Synchronous-Rectified Topology
  • Low-Noise, Constant-Frequency Operation (1MHz)
  • 0.1µA Logic-Controlled Shutdown
  • Synchronizable Switching Frequency
  • Adjustable Current Limit
  • Adjustable Soft-Start
  • 10-Pin µMAX Package
  • 10-Pin 3mm x 3mm TDFN Package

应用

  • 数字无绳电话
  • 手持式仪表
  • 掌上电脑
  • PCS电话
  • 个人通信装置
  • 双向寻呼
  • 无线手机
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
IOUT1
(A)
Output Adjust. MethodSwitch TypeSynchronous SwitchingICC
(mA)
Shutdown Mode Supply Current
(µA)
Shutdown Mode Supply Current
(µA)
DC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxtyptypmaxSee Notes
MAX1760 0.75.52.55.53.30.8
Preset
Resistor
InternalYes0.10.1511000
TDFN/10
UMAX/10
$2.68 @1k
查看所有Step-Up Switching Regulators (96)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。


MAX1760EVKIT: MAX1760评估板

质量和环境数据

产品可靠性报告: MAX1760H.pdf 
无铅封装的锡(Sn)晶须报告
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

质量管理体系 >
环境管理体系 >

 
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    评估板2343MAX1760EVKIT MAX1760评估板