MAX1701EEE+ by Analog Devices

1 Cell to 3 Cell, High-Power 1A, Low-Noise, Step-Up DC-DC Converters


The MAX1700/MAX1701 are high-efficiency, low-noise, step-up DC-DC converters intended for use in battery-powered wireless applications. They use a synchronous-rectified pulse-width-modulation (PWM) boost topology to generate 2.5V to 5.5V outputs from battery inputs such as one to three NiCd/NiMH cells or one Li-Ion cell. Both devices have an internal 1A, 130mΩ N-channel MOSFET switch and a 250mΩ P-channel synchronous rectifier. With their internal synchronous rectifier, the MAX1700/ MAX1701 deliver 5% better efficiency than similar nonsynchronous converters. They also feature a pulse-frequency-modulation (PFM) standby mode to improve efficiency at light loads, and a 3µA shutdown mode. The MAX1700/MAX1701 come in 16-pin QSOP packages (which occupy the same space as an 8-pin SO). The MAX1701 includes two comparators to generate power-good and low-battery warning outputs. It also contains a gain block that can be used to build a linear regulator using an external P-channel pass device. For higher-power outputs, refer to the MAX1703. For dual outputs (step-up and linear regulator), refer to the MAX1705/MAX1706. For an on-board analog-to-digital converter, refer to the MAX848/MAX849. The MAX1701 evaluation kit is available to speed design time.

Where to Buy

Prices starting from US$4.55

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Features

Up to 96% Efficiency
1.1 VIN Guaranteed Start-Up
0.7V to 5.5V Input Range
Up to 800mA Output
Step-Up Output (adjustable from 2.5V to 5.5V)
PWM/PFM Synchronous-Rectified Topology
External Clock or Internal 300kHz Oscillator
3µA Logic-Controlled Shutdown
Power-Good Output (MAX1701)
Low-Battery Comparator (MAX1701)
Uncommitted Gain Block (MAX1701)

Specifications

VIN (V) (min) 0.7
VIN (V) (max) 5.5
VOUT1 (V) (min) 2.2
VOUT1 (V) (max) 5.5
IOUT1 (A) (max) 0.8
Switch Type Internal
VOUT1 Tolerance (±%) 1
Output Adjust. Method Resistor
Synchronous Switching? Yes
Power Good Signal Yes
IQ (mA) (max) 0.11
# DC-DC Outputs 1
Alternate Topology Step-Up
# LDO/ Op.Amp. Outputs 1
Switching Frequency (kHz) 400
Package/Pins QSOP/16
Oper. Temp. (°C) -40 to +85
BudgetaryPrice (See Notes) 3.3


MAX1701EEE+ Semiconductors - ICs by Analog Devices

DC/DC CONV SYNC BOOST 400KHZ QSOP-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Adjustable
Input Voltage Min 700mV
Input Voltage Max 5.5V
DC / DC Converter IC Case QSOP
No. of Pins 16Pins
Output Current 800mA
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min 2.5V
Adjustable Output Voltage Max 5.5V
Topology Synchronous Boost (Step Up)
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
No. of Outputs 1Outputs
Output Voltage Max 5.5V
Output Voltage Min 2.5V
Switching Frequency 400kHz

Alternative Descriptions

1 Cell to 3 Cell, High-Power 1 | Analog Devices
DC/DC CONV, SYNC BOOST, 400KHZ, QSOP-16 | Farnell

Frequently Asked Questions

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Is the MAX1701EEE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14 and Farnell have stock available or on a lead time for MAX1701EEE+ .

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