DIQ150 150W Quarter Brick DC-DC

150W 4:1 Input Quarter Brick DC-DC Converter(43V-160V)

DIQ150 Series

150W Output Power in 1/4 Brick Standard Package: Delivers high power density in a compact footprint.

Wide 4:1 Input Range (43-160VDC): Complies with railway and high-voltage industrial standards while providing fully regulated outputs.

3000VAC High Isolation Voltage: Delivers outstanding dielectric insulation and system noise immunity.

High Efficiency up to 91%: Features low no-load power consumption to enhance energy efficiency and reduce heat buildup.

Wide Operating Temperature Range: Operates reliably at case temperatures from -40°C to +105°C for extreme and harsh environments.

Comprehensive Protection Suite: Equipped with Over Temperature (OTP), Input Under Voltage Lockout (UVLO), Output Over Current (OCP), and Output Over Voltage (OVP) protections.

Fixed Switching Frequency & Remote On/Off: Simplifies system control and seamless integration.

ABES technology co., ltd.

INPUT
Item	Conditions	Min	Typ.	Max	Unit
Input Current	Input Voltage:43V; Output Power: Full Load	--	--	3	A
No Load Input Current	Nominal Input Voltage	--	--	10	mA
Input Surge Voltage	(1sec.max.) Applying a voltage beyond this range may cause permanent damage.	-0.7	--	185	VDC
Turn-on Voltage Threshold		--	--	43
Input Undervoltage Protection	Tested under no-load conditions; full-load testing will trigger OCP early.	--	--	42
Remote ON/OFF (CNT)	Positive logic: Power ON when CNT is floating or connected to 3.5-15V; Power OFF when connected to 0-1.2V.				Refer to voltage-VIN
Remote ON/OFF (CNT)	Negative logic: Power ON when CNT is floating or connected to 3.5-15V; Power ON when connected to 0-1.2V.				Refer to voltage-VIN

OUTPUT
Item	Conditions	Min	Typ.	Max	Unit
Output Voltage Accuracy	Input Voltage, from 10% load.	--	±0.2	±1.0	%
Line Regulation	Input voltage from Low line to high line at full load	--	±0.1	±0.2
Load Regulation	Input voltage from 10% - 100% load	--	±0.2	±0.5
Transient Recovery Time	25% Load(1A/50uS)	--	200	250	uS
Transient Recovery Deviation	25% Load(1A/50uS)	-5	--	5	%
Temperature Coefficient	Full Load	-0.02	--	+0.02	%/℃
Ripple & Noise	Measured at 20MHz bandwidth with an external capacitor of ≥220μF.	--	120	240	mVp-p
Output Voltage Trim		-20	--	+10	%
Output Voltage Remote Sense		--	--	105	%
Over Temperature Protection	Maximum temperature of the metal baseplate	105	115	125	℃
Over Voltage Protection		125	--	140	%
Over Current Protection		6.5	--	8.7	A
Short Circuit Protection		Hiccup mode. Auto recovery

GENERAL CHARACTERISTICS
Item	Conditions	Min	Typ.	Max	Unit
Isolation Voltage	Input to Output, 60 Sec, leakage current < 3mA	--	--	3000	VAC
	Input to Case, 60 Sec, leakage current < 3mA	--	--	2100	VAC
	Output to Case, 60 Sec, leakage current < 3mA	--	--	500	VAC
Isolation Resistance	Input to Output, 500VDC	100	--	--	MΩ
Switching Frequency		--	250	--	KHz
MTBF		150	--	--	K hours

ENVIRONMENTAL CHARACTERISTICS
Item	Conditions	Min	Typ.	Max	Unit
Operating Ambient Temperature	With Derating	-40	--	+105	°C
Humidity Temperature	No Condensation	5	--	95	%RH
Storage Temperature		-40	--	+125	°C
Lead Temperature	1.5mm from case for 1.5 seconds	--	--	+350	°C
Low Temperature Storage Test		EN60068-2-1
Dry Heat Test		EN60068-2-2
Cyclic Damp Heat Test		EN60068-2-30
Shock & Vibration		IEC/EN61373 level 1B

EMC CHARACTERISTICS
EMI	Conducted Emissions	EN50121-3-2	150kHz-500kHz 79dBuV
		EN55016-2-1	500kHz-30MHz 73dBuV
	Radiated Emissions	EN50121-3-2	30MHz-230MHz 40dBuV/m at 10m
		EN55016-2-1	230MHz-1GHz 47dBuV/m at 10m
EMS	ESD	IEC/EN61000-4-2/GB/T 17626.2-2006	Contact±6KV/Air ±8KV	Criteria A
	Radiated Immunity	IEC/EN61000-4-3/GB/T 17626.3-2006	10V/m
	Fast Transient	IEC/EN61000-4-4/GB/T 17626.4-2008	±2KV 5/50ns5kHz
	Surge	IEC/EN61000-4-5/GB/T 17626.5-2008	Line to line ± 1KV(42Ω, 0.5uF)
	Conducted Immunity	IEC/EN61000-4-6/GB/T 17626.6-2008	0.15MHz-80MHz 10Vr.m.s

PHYSICAL CHARACTERISTICS
Case Material	Plastic, DAP, UL 94-V0
Heatsink	Dimension: 61.039.015mm, Weight: 52g, Material: Aluminum alloy, Finish: Black anodized。
Cooling	Conduction or forced air.
Weight	Standard: 72g, With Heatsink: 125g

ABES technology co., ltd.


MODEL SELECTION TABLE
Model Number	Input Voltage (VDC)	Output Power (W)	Output Voltage (VDC)	Output Current (A)	Ripple & Noise (mV)	Efficiency (%) Min./Typ.	Options
DIQ150-F110S24W	43-160	150	24	6.25	240	89/91	Positive Logic
DIQ150-F110S24WN							Negative Logic
DIQ150-F110S24WH							Positive Logic with Heatsink
DIQ150-F110S24WNH							Negative Logic with Heatsink

Note: The output power derates linearly for input voltages between 43V-66V, with a maximum output power of 100W at 43V input.

The ABES DIQ150 series DC-DC converter delivers up to 150W of reliable power in an industry-standard quarter-brick (1/4 BRICK) package, specifically designed for railway rolling stock, high-voltage industrial automation, and space-constrained embedded systems. Featuring a wide 4:1 input range (43-160V), up to 91% efficiency, and reinforced 3000VAC isolation, it combines ultra-low no-load power consumption with robust electrical safety to optimize energy savings. Additional features include fully regulated outputs, fixed switching frequency, remote on/off control, and a comprehensive protection suite (OTP, UVLO, OCP, and OVP), ensuring long-term stable operation across a wide case temperature range of -40°C to +105°C.

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