DIA 15 Series| 15W 8:1 DC-DC Converter

15W 8:1 Input 1"x1" Isolated DC-DC Converter

DIA15 Series

DIP 1“x 1” package with standard pinout

8:1 Wide input range

High efficiency up to 88%

No minimum load required

No external components required internal filtering

Power saving load for high efficiency at light load

Overload protection & UVLO

3000Vdc I/O isolation

Low cost

ABES technology co., ltd.

INPUT
Item		Conditions
Voltage Range		9~75V
Surge Voltage (100ms max.)		100Vdc
Filter		Pi network
Remote Control		See page 5
Under Voltage Lockout		Start-up voltage：8.8 Vdc
		Shutdown voltage：8 Vdc
Protection		Fuse recommended (see page 8)
OUTPUT
Item		Conditions
Voltage Accuracy		±2% max.
Rated Power		15W
Ripple & Noise¹		3.3~5V：100mV Vp-p max.		12~24V：1% Output Vp-p max.
Line Regulation²		±0.5%
Load Regulation³		±0.5%		±1% for 3.3Vdc
Cross Regulation		±5%		Dual：asymmetrical load 25%/100% FL
Switching Frequency		200KHz typ.( PWM )
External Trim ADJ. Range		±10%(typ.)
PROTECTION
Item		Conditions
Short Circuit		Protection type: continuous, recovery
Overload		110%~200%
		Protection type: recovers automatically after fault condition is removed
Over Voltage		Clamp by TVS diode
ENVIRONMENTAL
Item		Conditions
Cooling		Free-air convection
Working Temperature		-40~ +85°C (refer to“Derating Curve”)
Case Temperature		+110 °C max.
Working Humidity		5% ~ 95% RH non-condensing
Storage Temp., Humidity		-55 ~ +125°C, 10 ~ 95% RH non-condensing
Temperature Coefficient		±0.05% / °C
Soldering Temperature		1.5mm from case of 3~5 sec./265°C(max.)
Vibration		10~500Hz, 2G 10min./1cycle, period for 60 min. each along X, Y, Z axes
SAFETY & EMC
Item		Conditions
Isolation Voltage		I/P-O/P：3KVdc
Isolation Resistance		I/P-O/P : 1000M Ohms / 500VDC / 25°C / 70% RH
Isolation Capacitance		1000pF typ.
EMC Emission		Parameter	Standard		Test Level / Note
		Conducted	EN55032(CISPR32)		N/A
		Radiated	EN55032(CISPR32)		Class A
EMC Immunity EMC Immunity		Parameter	Standard		Test Level / Note
		ESD	BS IEC 61000-4-2		Contact ±4KV
		Radiated Susceptibility	BS IEC 61000-4-3		3V/m
		EFT/Burst	BS IEC 61000-4-4		±0.5KV
		Surge	BS IEC 61000-4-5		Line-Line ±0.5KV
		Conducted	BS IEC 61000-4-6		3Vrms
		Magnetic field immunity	BS IEC 61000-4-8		1A/m
OTHERS
Item	Conditions
MTBF⁴	>570,000Hours
Weight	18.0g typ.
Dimension(LWH)	25.4mm25.4mm10.2mm
Case Material	Five-side shielded case
Note: 1 Ripple & noise are measured at 20MHz BW with 1uF ceramic capacitor connect to the output pins. 2 High line to low line. 3 Load regulation is for output load current change from 5% to 100%. 4 MIL-HDBK-217F @25 °C, Ground Benign. *All specifications are measured at Ta=25°C, humidity < 75%, nominal input voltage, and rated output load unless otherwise specified.

ABES technology co., ltd.

MODEL SELECTION TABLE
Model Number	Input				Output		Efficiency (%)	Capacitor Load (Max.)
	Voltage (VDC)		Current (mA)		Voltage (VDC)	Current (mA)
	Nominal	Range	No Load	Full Load	Voltage (VDC)	Current (mA)
DIA15-W48S3.3	48	9-75	5	485	3.3	0~3000	85	680uF
DIA15-W48S05			6	710	5	0~3000	88	680uF
DIA15-W48S12			7	718	12	0~1250	87	330uF
DIA15-W48S15			8	710	15	0~1000	88	220uF
DIA15-W48S24			13	718	24	0~625	87	100uF
DIA15-W48D05	48	9-75	7	744	±5	±0~1500	84	±330uF
DIA15-W48D12			13	718	±12	±0~625	87	±150uF
DIA15-W48D15			16	710	±15	±0~500	88	±100uF

Maximize your board space with the ABES DIA 15 Series. This 15W Isolated DC-DC Converter delivers high power density in a compact 1x1 DIP package with a standard pinout. Featuring an 8:1 ultra-wide input range and up to 88% efficiency, it is engineered for stable performance in demanding industrial environments.

The DIA 15 is designed for simplicity and efficiency, requiring no minimum load and no external components thanks to its internal filtering. With advanced light-load power-saving technology, 3000Vdc isolation, and built-in UVLO/Overload protection, it offers a low-cost, high-reliability solution for space-constrained Industrial PCs and automation systems.

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