300W 4:1 Input Half Brick DC-DC Converter(43V-160V)
DIH300 Series
300W Output Power in Standard Half-Brick Size: Balances high power density with a robust mechanical structure.
Wide 4:1 Input Voltage Range: Delivers fully regulated outputs, flexibly handling input voltage fluctuations.
3000VDC High Isolation Voltage: Significantly enhances system safety protection and noise immunity.
High Efficiency up to 90%: Combined with low no-load power consumption to optimize energy savings and reduce heat dissipation.
Wide Operating Temperature Range: Supports -40°C to +105°C operating case temperatures for harsh and extreme 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.
|
Item |
Conditions |
Min |
Typ. |
Max |
Unit |
|
Input Current |
Input Voltage:43V; Output Power: 200W |
-- |
-- |
7 |
A |
|
No Load Input Current |
Nominal Input Voltage |
-- |
-- |
15 |
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 |
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|
Negative logic: Power ON when CNT is floating or connected to 3.5-15V; Power ON when connected to 0-1.2V. |
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|
OUTPUT |
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|
Item |
Conditions |
Min |
Typ. |
Max |
Unit |
|
Output Voltage Accuracy |
Input Voltage, from 0% to 100% load. |
-- |
±0.5 |
±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 |
-5 |
-- |
5 |
% |
|
|
Temperature Coefficient |
Full Load |
-0.02 |
-- |
+0.02 |
%/℃ |
|
Ripple & Noise |
Measured at 20MHz bandwidth with an external capacitor of ≥220μF. |
-- |
80 |
120 |
mVp-p |
|
Output Voltage Trim |
|
-10 |
-- |
+10 |
% |
|
Output Voltage Remote Sense |
|
-- |
-- |
5 |
% |
|
Over Temperature Protection |
Maximum temperature of the metal baseplate |
105 |
115 |
125 |
℃ |
|
Over Voltage Protection |
|
125 |
-- |
140 |
% |
|
Over Current Protection |
27.5 |
-- |
35 |
A |
|
|
Short Circuit Protection |
Hiccup mode. Auto recovery |
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|
GENERAL CHARACTERISTICS |
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|
Conditions |
Min |
Typ. |
Max |
Unit |
|
|
Isolation Voltage |
Input to Output, 60 Sec, leakage current < 3mA |
-- |
-- |
3000 |
VDC |
|
Input to Case, 60 Sec, leakage current < 3mA |
-- |
-- |
2100 |
VDC |
|
|
Output to Case, 60 Sec, leakage current < 3mA |
-- |
-- |
500 |
VDC |
|
|
Isolation Resistance |
Input to Output, 500VDC |
100 |
-- |
-- |
MΩ |
|
Switching Frequency |
|
-- |
500 |
-- |
KHz |
|
MTBF |
|
150 |
-- |
-- |
K hours |
|
ENVIRONMENTAL CHARACTERISTICS |
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|
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 |
|
|
Low Temperature Storage Test |
|
EN60068-2-1 |
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|
Dry Heat Test |
|
EN60068-2-2 |
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|
Cyclic Damp Heat Test |
|
EN60068-2-30 |
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|
Shock & Vibration |
|
IEC/EN61373 level 1B |
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|
EMC CHARACTERISTICS |
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|
EMI |
Conducted Emissions |
EN50121-3-2 |
150kHz-500kHz 79dBuV |
|
|
EN55016-2-1 |
500kHz-30MHz 73dBuV |
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|
Radiated Emissions |
EN50121-3-2 |
30MHz-230MHz 40dBuV/m at 10m |
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|
EN55016-2-1 |
230MHz-1GHz 47dBuV/m at 10m |
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|
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 |
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|
Fast Transient |
IEC/EN61000-4-4/GB/T 17626.4-2008 |
±2KV 5/50ns5kHz |
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|
Surge |
IEC/EN61000-4-5/GB/T 17626.5-2008 |
Line to line ± 1KV(42Ω, 0.5uF) |
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|
Conducted Immunity |
IEC/EN61000-4-6/GB/T 17626.6-2008 |
0.15MHz-80MHz 10Vr.m.s |
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|
PHYSICAL CHARACTERISTICS |
|
|
Case Material |
Plastic, DAP, UL 94-V0 |
|
Heatsink |
Dimension: 61*57.9*15mm,
Weight: 65g, |
|
Cooling |
Conduction or forced air. |
|
Weight |
Standard: 125g, With Heatsink: 203g |
|
|
|
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MODEL SELECTION TABLE |
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|
Model Number |
Input
Voltage |
Output Power (W) |
Output
Voltage |
Output
Current |
Ripple & Noise (mV) |
Efficiency (%) Min./Typ. |
Options |
|
DIH300-F110S12W |
43-160
|
300
|
12 |
25 |
120 |
88/90 |
Positive Logic |
|
DIH300- F110S12WN |
Negative Logic |
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|
DIH300- F110S12WH |
Positive Logic with Heatsink |
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|
DIH300- F110S12WNH |
Negative Logic with Heatsink |
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Note: The output power derates linearly for input voltages between 43V-66V, with a maximum output power of 200W at 43V input.
The 300W DC-DC converter series delivers up to 300W of reliable power in an industry-standard half-brick (1/2 BRICK) size
Featuring a wide 4:1 input voltage range, up to 90% efficiency, and low no-load power consumption
Additional features include fully regulated outputs, fixed switching frequency, remote on/off control
