Product Information

MAX77827EVKIT#

MAX77827EVKIT# electronic component of Analog Devices

Datasheet
Power Management IC Development Tools EVKIT for Tiny Buck-Boost Converter

Manufacturer: Analog Devices
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1: USD 174.4345 ea
Line Total: USD 174.43

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MAX77827EVKIT#
Analog Devices

1 : USD 110.2092

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Ships to you between Thu. 16 May to Mon. 20 May

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MAX77827EVKIT#
Analog Devices

1 : USD 74.9217

     
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RoHS - XON
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Type
Tool Is For Evaluation Of
Input Voltage
Output Voltage
Output Current
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Click here for production status of specific part numbers. Evaluates: MAX77827 MAX77827 Evaluation Kit General Description Features and Default Settings The MAX77827 evaluation kit (EV kit) provides a proven Sense Points for High-Accuracy Measurements design to evaluate the MAX77827, a 1.6A buck-boost Accessible Test Points for EN, POK, and OUTS converter. The IC is capable of 1.8V to 5.5V input and is Output Voltage Adjustable Through SEL output voltage adjustable between 2.3 to 5.3V (through FPWM and Skip Mode Configurable (Skip Mode SEL pin). The factory default output voltage of this EV kit Default) is set at 3.3V. Output voltage can be adjusted by changing UVLO Rising = 2.6V, the SEL resistor value (R3). Two GPIO pins are available UVLO Falling = 1.9V (MAX77827CEWC+) to support Force PWM and EN functions. The EV kit is compatible with any version of the MAX77827 WLP IC Ordering Information appears at end of data sheet. (MAX77827CEWC+ is the default). SPECIFICATION TEST CONDITIONS MIN TYP MAX UNIT Input Voltage 2.6 5.5 V Output Voltage Configurable by SEL resistor R3 (see Table 2). 2.3 5.3 V Default Output Voltage 3.3 V Output Current 0 1.6 A Peak Efficiency 3.3 VIN, 3.3 VOUT, 300mA load 96.0 % SKIP/FPWM CONFIGURATION MAX77827 SOLUTION OUTPUT INPUT SENSE PINS SENSE PINS Figure 1. MAX77827 EV Kit Photo 319-100378 Rev 0 5/19Evaluates: MAX77827 MAX77827 Evaluation Kit appropriate gauge (20AWG) that are as short as possible Quick Start to connect the load and power sources. Required Equipment 1) Ensure that the EV kit has the correct jumper settings, MAX77827 EV kit as shown in Table 1. Adjustable DC power supply 2) Connect a DVM to the VINS and PGNDS IN sense A 1.8V DC power supply (optional) pins to measure input voltage. Digital Multi-meters 3) Connect a DVM to the OUTS and PGNDS OUT sense pins to measure output voltage. Procedure 4) Apply a power supply set to 0V (100mA current limit) The EV kit is fully assembled and tested. Follow the steps across the VIN and PGND terminals of the EV kit. below to verify board operation. Use twisted wires of Turn the supply on and increase the voltage to 3.8V. 5) Confirm the DVM connected to OUTS and PGNDS Table 1. Default Shunt Positions and OUT reads the default output voltage of the EV kit Jumper Descriptions (3.3V). NODE OR SHUNT JUMPER FUNCTION Detailed Description of Hardware FUNCTION POSITION The MAX77827 EV kit demonstrates the MAX77827 Connects EN to buck-boost. It regulates output from input voltage ranges J2 EN 1-2* VIN (MAX77827 is from 1.8V to 5.5V. Programmable output range is from enabled by default) 2.3V to 5.3V with 50mV steps. The EV kit is suited with J10 DISABLE 1-2 Connects EN to GND a general DC input. Table 1 lists jumpers and associated Enables FPWM functions that are available on the EV kit. 1-2 function The MAX77827 includes an SEL pin to configure the J7 FPWM Enables SKIP mode output voltage on startup. Resistors with a tolerance of 2-3* function 1% (or better) should be chosen for R3, with nominal values specified in Table 2. *Default position Table 2. MAX77827 RSEL Selection Table RSEL (K) VOUT (V) RSEL (K) VOUT (V) Open 3.3 56.2 3.2 909 2.3 47.5 3.4 768 2.4 40.2 3.45 634 2.5 34 3.5 536 2.6 28 3.6 452 2.7 23.7 3.7 383 2.8 20 3.75 324 2.8 16.9 3.8 267 2.85 14 3.9 226 5.2 11.8 4 191 2.9 10 4.1 162 5.3 8.45 4.2 133 3 7.15 4.4 113 3 5.9 4.5 95.3 3.1 4.99 5 80.6 3.15 Short to GND 3.3 66.5 3.15 Maxim Integrated 2 www.maximintegrated.com

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8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

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.Other 71 No Weighing less than 1kg Free

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8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
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