DIF09 Series | 9W 8:1 t DC-DC Converter

9W 8:1 Ultra Wide Input DC-DC Converter (SIP)

DIF09 Series

Single in line package

8:1 Wide input range

High efficiency up to 87%

No minimum load required

Overload protection & UVLO

1500Vdc I/O isolation

ABES technology co., ltd.

INPUT
Item		Conditions
Voltage Range		9-75V
Surge Voltage(100ms max.)		100Vdc
Filter		Pi network
Under Voltage Lockout		Start-up voltage：8.8 Vdc
		Shutdown voltage：8 Vdc
Remote Control		See page 5
Protection		Fuse recommended (see page 7)
OUTPUT
Item		Conditions
Voltage Accuracy		±2% max.
Rated Power		9W
Ripple & Noise¹		3.3~9V：100mV Vp-p max.		12~24V：1% output Vp-p max.
Line Regulation²		±0.5%
Load Regulation³		±0.5%		±1% for 3.3Vdc output
Cross Regulation		±5%		Dual：asymmetrical load 25%/100% FL
Switching Frequency		300KHz typ.( PWM )
PROTECTION
Item		Conditions
Short Circuit		Protection type : continuous, recovery
Overload		110%~230%
		Protection type : recovers automatically after fault condition is removed
ENVIRONMENTAL
Item		Conditions
Cooling		Free-air convection
Working Temperature		-40~ +75°C (refer to“Derating Curve”)
Case Temperature		+115 °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：1500Vdc
Isolation Resistance		I/P-O/P : 1000M Ohms / 500VDC / 25°C / 70% RH
Isolation Capacitance		80pF typ.
EMC Emission		Parameter	Standard		Test Level / Note
		Conducted	EN55032(CISPR32)		N/A
		Radiated	EN55032(CISPR32)		Class A (with external filter)
EMC Immunity EMC Immunity		Parameter	Standard		Test Level / Note
		ESD	BS IEC 61000-4-2		Air±8KV
		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	>980,000Hours
Weight	5.0g typ.
Dimension(LWH)	24.0mm9.6mm11.2mm
Case Material	Non-conductive plastic
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 0% to 100%. 4 The temperature measuring point is the center of the front side. 5 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: 8:1 1W
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)
DIF09-W48S3.3	48	9-75	10	339	3.3	0~2000	81	680uF
DIF09-W48S05			10	401	5	0~1600	83	680uF
DIF09-W48S09			10	436	9	0~1000	86	470uF
DIF09-W48S12			10	431	12	0~750	87	330uF
DIF09-W48S15			10	431	15	0~600	87	220uF
DIF09-W48S24			10	431	24	0~375	87	100uF
DIF09-W48D05	48	9-75	10	397	±5	±0~800	84	±330uF
DIF09-W48D12			10	431	±12	±0~375	87	±150uF
DIF09-W48D15			10	431	±15	±0~300	87	±100uF

The ABES DIF09 Series is a high-density 9W Isolated DC-DC Converter specifically designed for space-critical applications. Featuring a compact Single In Line (SIP) package, it significantly reduces PCB footprint while delivering robust performance. With its 8:1 ultra-wide input range, the DIF09 handles diverse voltage fluctuations with ease.

Engineered for efficiency and reliability, it offers up to 87% efficiency, 1500Vdc isolation, and requires no minimum load. Equipped with built-in overload protection and UVLO, the DIF09 is the ideal, low-cost power solution for modern industrial control, communication, and distributed power systems where board space is at a premium.

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