40Watts 8:1 Input Range 2x1 Inch Isolated DC-DC Converter
DIB40 Series
Features an 8:1 ultra-wide input range
Achieves efficiency up to 92% with low no-load power consumption
2"x1" industrial package saves valuable space
Certified to IEC/UL/EN 62368-1 with 3000VDC isolation
Six-sided shielded copper case effectively blocks electromagnetic interference
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MODEL SELECTION TABLE |
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Model Number |
Input Voltage |
Output Voltage |
Output Current |
Input Current |
Over Voltage Protection (typ.) |
Output Power |
Efficiency (typ.) |
Maximum Capacitive Load |
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No Load |
Max Load |
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DIB40-W48S03 |
48 VDC (9~75) |
3.3 VDC |
10A |
10 mA |
800mA |
3.9 VDC |
33W |
87% |
12000μF |
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DIB40-W48S05 |
5V DC |
8A |
942mA |
6.2 VDC |
40W |
89% |
6000μF |
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DIB40-W48S12 |
12 VDC |
3.33A |
915mA |
15 VDC |
40W |
92% |
2500μF |
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DIB40-W48S15 |
15 VDC |
2.67A |
935mA |
18 VDC |
40W |
90% |
1000μF |
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DIB40-W48S24 |
24 VDC |
1.67A |
942mA |
28 VDC |
40W |
89% |
440μF |
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DIB40-W48S48 |
48 VDC |
0.83A |
930mA |
56 VDC |
40W |
91% |
220μF |
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DIB40-W48S54 |
54VDC |
0.74A |
930mA |
62 VDC |
40W |
91% |
220μF |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Input Voltage Range |
48Vin(Nominal) |
9 |
48 |
75 |
VDC |
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Input Surge Voltage (100ms max.) |
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100 |
VDC |
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Start-up Threshold Voltage |
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8.2 |
8.5 |
8.7 |
VDC |
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Under Voltage Lockout(UVLO) |
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7 |
7.5 |
8 |
VDC |
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Input Current |
See model selection table |
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Input filter |
Pi network filter |
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OUTPUT |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Output Voltage |
See Table |
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Line Regulation |
Low line to high line at full load |
-1 |
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+1 |
%Vo |
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Load Regulation |
Vin=48V, 25-100% of lo |
-1 |
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+1 |
%Vo |
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Output Voltage Setting Accuracy |
Vin=48V, max lo |
-1 |
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+1 |
%Vo |
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Output Voltage Trim |
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-10 |
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+10 |
%Vo |
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Ripple & Noise (Note 1) |
Vin=48V, max lo. Measured by 20MHz bandwidth with 1Uf ceramic cap. and 10uF tantalum cap. (or ceramic cap.) Connected to the output pins. |
3.3VDC output |
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30 |
mV |
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5VDC output |
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50 |
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12VDC output |
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120 |
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15VDC output |
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150 |
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24VDC output |
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240 |
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48VDC output |
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480 |
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54VDC output |
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540 |
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Output Power |
See model selection table |
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Output Current |
See model selection table |
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Minimum Load |
No minimum load required |
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Transient Recovery Time |
50% - 75% of lo, di/dt=0.1A/us |
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300 |
500 |
us |
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Transient Recovery Deviation |
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±3 |
±5 |
%Vo |
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NOTE 1: For 48V and 54V output models, add 1uF ceramic cap. and 10uF MLCC(ESR≦2mΩ @200kHz) . |
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PROTECTION |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Output Over Voltage Protection |
Zener diode clamp |
See model selection table |
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Over Current Protection |
% of Io rated; Hiccup mode |
130 |
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180 |
%Io |
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Thermal Protection |
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110 |
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°C |
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Short Circuit Protection |
Short +Vo to VO |
Auto recovery |
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GENERAL |
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Conditions |
Min |
Typ |
Max |
Unit |
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Efficiency |
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See model selection table |
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Switching Frequency |
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220 |
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KHz |
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Isolation Voltage |
Input to Output, 60 Sec |
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3000 |
VDC |
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Isolation Resistance |
500VDC |
100 |
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M Ohm |
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Isolation Capacitance |
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1 |
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nF |
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Maximum Capacitive Load |
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See model selection table |
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REMOTE ON/OFF |
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Item |
Conditions |
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Positive Logic |
Referred to - Vin pin |
Converter On |
open circuit or 2.5 ~ 12VDC |
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Converter Off |
Short circuit or 0 ~ 0.8VDC |
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Negative Logic |
Converter On |
Short circuit or 0 ~ 0.8VDC |
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Converter Off |
open circuit or 2.5 ~ 12VDC |
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Control Input Current |
On |
Vctrl = 5.0V |
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0.5 |
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mA |
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Off |
Vctrl = 0V |
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-0.5 |
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Stand-by Input idle Current |
Nominal Vin |
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6.5 |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Operating Temperature |
With derating |
-40 |
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105 |
°C |
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Case Temperature |
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105 |
°C |
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Storage Temperature |
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-55 |
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125 |
°C |
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Humidity (non-condensing) |
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95 |
% RH |
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RFI |
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Six-sided shielding, metal case |
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Cooling |
Natural convection is about 20LFM but is not equal to still air (0LFM) |
Natural convection |
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Lead Temperature |
1.5mm from case for 10 seconds |
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260 |
°C |
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Weight |
36g (1.27oz) |
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Dimension (L x W x H) |
2.00 x 1.00 x 0.45 inches (50.8 x 25.4 x 11.43 mm) |
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Case Material |
Copper |
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Base Material |
FR4 PCB (Flammability to UL 94V-0 rated) |
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Pin Material |
Copper alloy |
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SAFETY & EMC |
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Safety Approvals |
UL/cUL 62368-1 (CSA certificate) ; IEC/EN 62368-1 (CB-report) |
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EMI (external circuit required ) |
EN55032, FCC part 15 Class A |
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EMS (external circuit required |
ESD |
EN61000-4-2 Air:±8KV ; Contact:±6KV |
Criteria A |
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Radiated Immunity |
EN61000-4-3 10V/m |
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Fast Transient |
EN61000-4-4 ±2KV |
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Surge |
EN61000-4-5 ±1KV |
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Conducted Immunity |
EN61000-4-6 10V/m |
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MODEL SELECTION TABLE |
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Model Number |
Input Voltage |
Output Voltage |
Output Current |
Input Current |
Over Voltage Protection (typ.) |
Output Power |
Efficiency (typ.) |
Maximum Capacitive Load |
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|
No Load |
Max Load |
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DIB40-W48S03 |
48 VDC (9~75) |
3.3 VDC |
10A |
10 mA |
800mA |
3.9 VDC |
33W |
87% |
12000μF |
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DIB40-W48S05 |
5V DC |
8A |
942mA |
6.2 VDC |
40W |
89% |
6000μF |
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DIB40-W48S12 |
12 VDC |
3.33A |
915mA |
15 VDC |
40W |
92% |
2500μF |
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DIB40-W48S15 |
15 VDC |
2.67A |
935mA |
18 VDC |
40W |
90% |
1000μF |
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DIB40-W48S24 |
24 VDC |
1.67A |
942mA |
28 VDC |
40W |
89% |
440μF |
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DIB40-W48S48 |
48 VDC |
0.83A |
930mA |
56 VDC |
40W |
91% |
220μF |
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DIB40-W48S54 |
54VDC |
0.74A |
930mA |
62 VDC |
40W |
91% |
220μF |
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The DIB40 Series delivers up to 40W of isolated DC-DC power with wide 9~75VDC input range and high efficiency up to 91%. Designed for industrial applications, this series combines safety, compactness, and thermal performance in one robust solution.
Key Highlights
- Wide input range (18–75VDC) for versatile applications
- High efficiency up to 91%
- 3000VDC isolation for superior safety
- Compact 2” × 1” industry package saves board space
- Low no-load consumption extends battery life
- Six-sided shielding copper case reduces radiated noise
Model Selection Overview
- 3.3V / 10A / 33W / 87% efficiency / up to 12,000µF capacitive load
- 5V / 8A / 40W / 89% efficiency / up to 6,000µF capacitive load
- 12V / 3.33A / 40W / 92% efficiency / up to 2,500µF capacitive load
- 15V / 2.66A / 40W / 90% efficiency / up to 1,000µF capacitive load
- 24V / 1.67A / 40W / 89% efficiency / up to 440µF capacitive load
- 48V / 0.83A / 40W / 91% efficiency / up to 220µF capacitive load
- 54V / 0.74A / 40W / 91% efficiency / up to 220µF capacitive load
DIB40 Series | 40W DC-DC Converter with 8:1 Input Range and High Isolation for Industrial Applications
The DIB40 Series DC-DC converter from ABES delivers up to 40W of reliable power in a compact 2 × 1 industry-standard package, ideal for space-constrained industrial and embedded systems.
Featuring an 8:1 ultra-wide input voltage range and efficiency up to 92%, the DIB40 minimizes energy loss, extends battery life, and ensures stable power conversion in demanding environments.
Its six-sided shielded copper case provides excellent thermal performance, EMI suppression, and low radiated noise, supporting interference-free operation for sensitive electronics.
With 3000VDC I/O isolation and full compliance to IEC/UL/EN 62368-1 safety standards, the DIB40 Series guarantees safe and reliable operation.
Key benefits include:
Ultra-low no-load power consumption
Compact footprint for board space savings
High reliability in harsh industrial conditions
Ideal for industrial automation, test equipment, telecommunications, and embedded systems, the DIB40 Series is your next-generation DC-DC power solution for efficiency, safety, and design flexibility.
