Datasheet 3D Model

UA8263-AL Flyback Transformer

for Texas Instruments TIDA-01344

Three output versions optimized for typical design applications for
Texas Instruments TIDA-01344 Flyback Converter
AEC-Q200 Grade 1 (−40°C to +125°C)
Operates up to 333 kHz

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Typical Application

Works with Texas Instruments TIDA-01344

Input Voltage	Output 1		Power	Fsw
Input Voltage	Sec	Aux	Power	Fsw
10 V — 80 V	12 V , 2 A	13 V , 0.05 A	24 W	333 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (µH) 2 (Tolerance: ±10%)	Inductance min at 3.6 A (µH)	DCR max			Leakage Inductance max (µH) 3	Turns Ratio	Isolation Voltage (Vrms) 4
Part number (Hover for schematics)	Inductance at 0A (µH) 2 (Tolerance: ±10%)	Inductance min at 3.6 A (µH)	Pri (Ω)	Sec (mΩ)	Aux (mΩ)	Leakage Inductance max (µH) 3	Pri : Sec : Aux	Isolation Voltage (Vrms) 4
UA8263-AL	35.0	31.5	0.010	9.000	90.000	0.170	1 : 0.5 : 0.5	3000

Notes

Output of the auxiliary winding is 13 V, 50 mA.
Inductance is for the primary, measured at 333.33 kHz, 0.1 Vrms, 0 Adc.
Leakage inductance is for the primary winding with all other windings shorted.
3000 Vrms, one minute isolation (hipot) from pri and aux to sec.
1500 Vrms all pins to the core.

Termination:

RoHS-compliant. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +125°C

Storage temperature range:

Component: –40°C to +165°C
Tray packaging: –40°C to +80°C

Maximum part temperature:

+165°C (ambient + temp rise).

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Schematics

Connect pins 1 to 2, 3 to 4, 7 to 8,
and 11 to 12 to PC board.

Physical characteristics

General specification

Core Material:

Ferrite

Weight:

27.5 g

Packaging:

24 per tray

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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