DC-DC CONVERTER REQUIREMENTS AND VERIFICATION RECORD
Yenra | Updated September 7, 2026
Article: https://yenra.com/power-converter/

PURPOSE
Record requirements for a DC-DC module and the evidence a qualified
electronics designer will verify. Use exact part numbers and document
revisions. This is not a wiring, mains-design or safety-approval guide.

APPLICATION
Load and required function:
Input source:
Module ordering code and options:
Data sheet revision and source:
Application environment and relevant product requirements:

INPUT AT MODULE TERMINALS
Minimum / nominal / maximum normal voltage (V):
Cable and source drop assumptions:
Startup / brownout / transients and duration:
Source filtering and impedance conditions:
Do not use absolute-maximum stress limits as operating targets.

OUTPUT AND ISOLATION
Required voltage and tolerance (V):
Steady / peak current (A) and peak duration:
Load-step and startup requirements:
Permitted output capacitance and load behavior:
Isolation purpose, working voltage and applicable approval evidence:
Ripple limit, bandwidth and measurement method:

POWER AND LOSS
Output power W = output V x output A.
Input power W = output W / efficiency as a fraction.
Converter loss W = input W - output W.
Average input current A = input W / input V.
FICTIONAL EXAMPLE: 5 V x 8 A = 40 W output.
At .90 efficiency: 44.44 W input, 4.44 W loss.
At 24 V input: about 1.85 A average input current.
At .85 efficiency: 47.06 W input and 7.06 W loss.
These rounded values exclude other system losses and do not predict
startup, ripple or peak currents.

THERMAL EVIDENCE
Efficiency curve and actual input/load/temperature point:
Derating curve and exact cooling assumptions:
Airflow / orientation / enclosure / ambient:
Baseplate or component temperature limit and method:
Neighboring heat sources and worst credible operation:
Required heat path and validation evidence:
Do not transfer thermal data from an unrelated mounting arrangement.

VALIDATION RECORD
Board/layout and component revisions:
Instruments and methods:
Startup / regulation / load step acceptance criteria:
Temperature / fault / recovery acceptance criteria:
Current limit, hiccup, latch or thermal response expected:
Measured results and raw evidence location:
Open issue / responsible designer / action:
Final disposition and document revision:
Validate the complete source, filter, converter and load together.

REFERENCE CONTEXT
The linked article explains the comparisons and limits. Check exact project or equipment documents before using a specification.
Guidelines for Testing DC-DC Converters
https://s3.us-east-2.amazonaws.com/synqor/resources/an_Guidelines%20for%20Testing%20SynQor%20DC-DC%20Converters.pdf
Texas Instruments’ TPSM53604 data sheet
https://www.ti.com/lit/ds/symlink/tpsm53604.pdf
output-voltage ripple measurement note
https://s3.us-east-2.amazonaws.com/synqor/resources/FAE_7_an_Vout_Ripple_Measurement.pdf