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Description

General part information

MAX1760 Series

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.ApplicationsDigital Cordless PhonesHandheld InstrumentsPalmtop ComputersPCS PhonesPersonal CommunicatorsTwo-Way PagingWireless Handsets

Technical Specifications

Parameters and characteristics for this part

SpecificationMAX1760HETB+T
Current - Output1 A
Frequency - Switching1 MHz
FunctionStep-Up
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive
Output TypeAdjustable (Fixed)
Package / Case10-WFDFN Exposed Pad
Package Length3 mm
Package Name10-TDFN
Package Width3 mm
Synchronous RectifierYes
TopologyBoost
Voltage - Input (Max)5.5 V
Voltage - Input (Min)0.7 V
Voltage - Output (Fixed Options)3.3V
Voltage - Output (Max)5.5 V
Voltage - Output (Min)2.5 V

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