Power modules - QDTR

Power modules – QDTR

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The QDTR power module family is described by the configuration-specific ratings in the following tables. DC/DC isolated conversion. Maximum output power: 50W. Input undervoltage protection. Refer to the selection table, pin assignments and application guidance for the selected configuration.

Output voltage (V)

Output current (A)

Model suffix (source designation)

Ratings apply to the selected configuration. See the datasheet for test conditions and model designation notes.

For multiple-output models, slash-separated ratings follow the output order in the source selection table.

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Description
Technical Data
Datasheet
OUTLINE
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Power modules - QDTR

DC/DC isolated conversion
Hermetically sealed steel case
Maximum output power: 50W
Input undervoltage protection
Output overcurrent, short-circuit protection
Single output available, dual output, triple output
Operating temperature (Tc): -55°C to 125°C
Storage temperature: -55°C to 125°C

Product Selection

Model	Input voltage (V)	Output voltage (V)	Output current (A)	Efficiency (%) Typical	Capacitive load (µF) max.	Ripple (mV) Typical
QDTR30-28S05SG	15 to 50	5.0	6.00	87	1000	45
QDTR40-28S05FG	15 to 50	5.0	8.00	88	680	45
QDTR40-28S12SG	15 to 50	12.0	3.33	88	500	50
QDTR40-28S15SG	15 to 50	15.0	2.67	88	500	50
QDTR40-28S15FG	15 to 50	15.0	2.67	88	500	50
QDTR50-28S12FG	15 to 50	12.0	4.17	88	330	50
QDTR50-28S15FG	15 to 50	15.0	3.34	88	330	50
QDTR40-28D12SG	15 to 50	±12.0	1.67	84	500	50
QDTR40-28D15SG	15 to 50	±15.0	1.33	84	500	60
QDTR40-28T0515SG	15 to 50	5.0	4.00	81	150	45
QDTR40-28T0515SG	15 to 50	±15.0	0.66	81	220	85

Technical figure: Tek Stop, 10.0 MS/s, 1Mpts, S, s, pts — Technical figure · Datasheet page 6

Technical figure: Tek Preview, 2.50 GS/s, 1Mpts, Value, pts — Technical figure · Datasheet page 6

Technical figure: Efficiency (%) — Technical figure · Datasheet page 6

Application Guidelines — Technical figure · Datasheet page 7

Technical Data — QDTR

Characteristic	Test temperature	Min.	Typ.	Max.	Unit	Conditions
Input voltage range	Room, High, Low	15	28	50	V	15V to 50V input-voltage series, see the product selection table
Input voltage range	Room, High, Low	9	28	36	V	9V to 36V input-voltage series, see the product selection table
Input surge voltage	Room	—	—	80	V	15V to 50V input-voltage series, Vt=1s, full load
Input surge voltage	Room	—	—	50	V	9V to 36V input-voltage series, Vt=1s, full load
Line regulation	Room, High, Low	-1	—	+1	%VO	full input-voltage range, full load
Load regulation	Room, High, Low	-2.5	—	+2.5	%VO	full load range, balanced dual-output loading
Turn-on delay a	Room	—	8	—	ms	time from power-on until output voltage reaches 10% time
Output voltage rise time a	Room	—	10	—	ms	output voltage from 10% rises to 90% time
Enable turn-on delay a	Room	—	25	—	ms	time from enable assertion until output voltage reaches 10% time
Enable logic level (positive logic)	Room	0	—	1.2	V	no output, see the application guide for control methods
Enable logic level (positive logic)	Room	3.0	—	12.0	V	output enabled when open or high, see the application guide for control methods
Input undervoltage protection	Room	6.0	—	8.8	V	half load, 9V to 36V input-voltage series,
Input undervoltage protection	Room	12	—	14.8	V	half load, 15V to 50V input-voltage series
Output overcurrent protection	Room	110	—	—	%IO	hiccup mode, automatic recovery after overcurrent removal
Output short-circuit protection	Room	—				hiccup mode, automatic recovery after removal of the short circuit
Insulation resistance	Room	100	—	—	MΩ	500Vdc, input, output, between each pair of terminals and case
Switching frequency	Room	300	—	500	kHz
Weight	Room	46	50	54	g	without flange
Weight	Room	48.5	52.5	56.5	g	with flange

Note: 1, for other package types or temperature-screening grades, use the corresponding model designation rules when ordering, contact technical support for details; 2, electrical data and mechanical dimensions in this manual are for product selection reference, the detailed product specification governs the final requirements; 3, see the typical application circuit for the ripple measurement method. a: typical model QDTR40-28S12SG parameter values, values may differ for other models, contact technical support for details.