Products Description

The F-Series Full Brick Isolated Power Converter redefines miniaturization with its industry-smallest 119.02×63.14×12.7mm footprint, delivering 2000W output at 95% peak efficiency. Engineered for space-critical applications, this DC-DC converter features 2250Vdc reinforced isolation and integrated protection circuits, making it the optimal solution for portable medical devices, IoT edge nodes, and drone avionics where every cubic millimeter counts.

World Record: 2000W in 7.2cm³ volume • 16-40V wide input • -55°C to 105°C operation • 265g ultralight design

Products Specification

Model number	Input range Vdc	Output voltage Vdc	Output current @Full Load A	Efficiency %	Ripple and noise mV p-p	Max. capacitor load uF
LM28S28F1500-NTMG	16-40	28	53.6	94.5	70	8000
LM280S24F2000-NHMG	180-425	24	83.4	95	1000	10000
LM280S28F2000-NHMG	180-425	28	72	95	100	10000

Parameter	Min	Typical	Max	Unit	Conditions
Input voltage range	16	28	40	Vdc	All models
Isolation voltage	-	-	2250	Vdc	Input-output/case
Switching frequency	-	300	-	kHz	Nominal input
Operating temperature	-55	-	105	°C	H.Ex. external temperature
MTBF	2	-	-	Mhrs	MIL-HDBK-217F
Weight	-	265	-	g	-

Design Details

Mechanical Dimensions:119.02(L) × 63.14(W) × 12.7(H) mm (industry-standard Full Brick)

product-600-238

Pin Configuration:

Pin	Designation	Function
1/2	NC	No Connection
3	ON/OFF	Remote control terminal
4	ON/OFF	Remote control terminal
5	Vin+	Positive input voltage
6	Vin-	Negative input voltage
7	AUX	AUXPOWER
8	NC	No Connection
9	I share	current-share bus
10	Trim	Output voltage adjustment
11	Sense+	Remote voltage sensing positive
12	Sense-	Remote voltage sensing negative
13	Vout-	Negative output voltage
14	Vout-	Negative output voltage
15	Vout-	Negative output voltage
16	Vout+	Positive output voltage
17	Vout+	Positive output voltage
18	Vout+	Positive output voltage

Thermal Innovation: Aluminum alloy baseplate with 10°C/W thermal resistance (natural convection)

Mounting: Standard through-hole soldering with 1.5mm pin diameter

Products features

Ultra-Miniaturized

50W power in 119.02×63.14×12.7mm (full Brick) footprint

Intelligent Protection

Input undervoltage lockout (13.0V cutoff), output short-circuit auto-recovery

Precision Control

±1% voltage regulation from -55°C to 105°C

Wide Logic Compatibility

ON/OFF pin supports 3.5V-15V control signals

Remote Management

Sense+/- pins enable ±2% load regulation at 1m distance

Thermal Resilience

Operates at 105°C baseplate temperature (derated)

Advantages

Passed 1500Vdc isolation test per IEC 62368-1
94.5% efficiency verified at 28V/53.6A output (LM28S28F1500-NTMG)
ISO 7637-2 compliant automotive transients survival
500hr operation at 95% RH/60°C

500 thermal cycles (-55°C⇄125°C)

"0.1% output deviation during 50g vibration tests" - SGS Report