MAX16831EVKIT+ Maxim Integrated Products, MAX16831EVKIT+ Datasheet - Page 4
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MAX16831EVKIT+
Manufacturer Part Number
MAX16831EVKIT+
Description
KIT EVAL FOR MAX16831
Manufacturer
Maxim Integrated Products
Specifications of MAX16831EVKIT+
Current - Output / Channel
1A
Outputs And Type
1, Non-Isolated
Voltage - Output
28V
Features
Dimmable
Voltage - Input
9 ~ 40V
Utilized Ic / Part
MAX16831
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MAX16831 Evaluation Kit
The MAX16831 EV kit features a buffered digital clock
output, CLKOUT. The MAX16831 PWM clock frequen-
cy is programmed to 300kHz by resistor R13. To syn-
chronize the MAX16831 EV kit to an external clock
signal, connect a clock signal with a 2.8V to 5.5V
logic level and 125kHz to 500kHz square wave at the
RTSYNC PCB pad. Refer to the Oscillator, Clock, and
Synchronization section in the MAX16831 IC data
sheet for information on setting the MAX16831 IC
PWM frequency.
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CLK OUTPUT
The maximum voltage on the LED+ PCB pad is limited
to 70.8V, with respect to GND, by a feedback network
formed by resistors R9 and R10. When the voltage at
LED+ exceeds the programmed 70.8V threshold,
PWM switching is terminated and no further energy is
transferred to the load connected between LED+ and
LED-. Refer to the Setting the Overvoltage Threshold
section in the MAX16831 IC data sheet for setting the
overvoltage threshold.
If the EV kit is turned on with no load, the voltage at
LED+ may rise to unsafe levels. Even though the EV
kit has overvoltage protection, connect the speci-
fied load before powering up the EV kit.
Output Overvoltage Protection