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TPS61236EVM-676: Unsatisfied result

Part Number: TPS61236EVM-676

Hi,

I am using an evaluation module (*TPS61236EVM-676*). As per the
datasheet and user guide's information, the circuit should give 5V @3A
output with the input of 3V. But it doesn't even satisfy 1A of current
need. Please provide proper solution regarding to this evaluation board.

Following are the observation readings, which we have taken after testing
the board, please have a look and suggest for the proper functional testing.

Input voltage (Vin) supplied by Li-Ion battery = 3.99V
Output voltage (without load) = 5.01V
Output voltage (5 ohm,10W dummy load) = 4.94V
Output current (Iout) = 870 mA