150W DC-DC Half-Brick Regulated Single Output Converter MHB150 series ■�=��������6 ‧× &�� ,!���3���’��4����+ ���+×$��+5�(��)�������������������������� ‧�6��(�������������*� ‧7����������6�/)������������8��2�����������8��2���2����*��8��2�������������� ‧&�*)�� ���������������9: ‧��$$����;8������������ ‧<����,������������8�==�������� ‧<����,���������������� ������� ‧�������*��������±�$: ‧=�2�,�������)��������������� ‧���������)�������3�� ����>���������������*������������ ‧�����������8-�-�8�����2����!�� ‧�����2���6�?@�8��?@�8��1 ‧-�������(������� � SPECIFICATION MODEL MHB150-48S05 MHB150-48S12 MHB150-48S24 DC VOLTAGE 5V 12V 24V CURRENT RANGE 0 ~ 30A 0 ~ 12.5A 0 ~ 6.25A RATED POWER 150W RIPPLE & NOISE (max.) Note.2 100mVp-p 150mVp-p 240mVp-p VOLTAGE ACCURACY Note.3 ±1.0% OUTPUT LINE REGULATION ±0.2% LOAD REGULATION ±0.2% SWITCHING FREQUENCY (Typ.) 500KHz EXTERNAL TRIM ADJ. RANGE (Typ.) ±10% EXTERNAL CAPACITIVE LOAD (max.) 30000uF 12500uF 6250uF 48VDC RATED DC INPUT VOLTAGE RANGE 36 ~ 75VDC SURGE VOLTAGE (100ms max.) 100VDC UNDER VOLTAGE LOCKOUT Power up: 34VDC, Power down: 32.5VDC INPUT EFFICIENCY (Typ.) 86% 89% 89% FULL LOAD 3.7A 3.6A 3.6A DC CURRENT NO LOAD 25mA FILTER Pi-network 110 ~ 140% rated output power OUTPUT OVER CURRENT Protection type : Over current limiting, recovers automatically after fault condition is removed 115 ~ 140% rated output voltage OUTPUT OVER VOLTAGE (Typ.) PROTECTION Protection type : Output voltage clamp OUTPUT SHORT CIRCUIT Protection type : Can be continuous, recovers automatically after fault condition is removed 100℃±5℃of case temperature OVER TEMPERATURE Please refer to "Remote ON/OFF Control" for details FUNCTION REMOTE CONTROL OPERATING ±10%, Please refer to "External Output Trimming" for details OUTPUT TRIMMING -40 ~ +100℃℃ ; Thermal shutdown at 100±5℃of case temperature (please refer to "Thermal Curve") WORKING TEMPERATURE (Typ.) WORKING HUMIDITY 0% ~ 95% RH max. ENVIRONMENT STORAGE TEMP., HUMIDITY -55 ~ +105℃, 0 ~ 95% RH TEMP. COEFFICIENT ±℃ 0.03%/ (0~60℃) SAFETY STANDARDS UL60950-1 approved SAFETY & ISOLATION VOLTAGE I/P-O/P:1500VDC, I/P-Case:1500VDC, O/P-Case:1500VDC ISOLATION RESISTANCE EMC I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH (Note 4) Compliance to EN55032 (CISPR32) Class A with external components (please refer to "EMC Suggestion Circuit") EMC EMISSION EMC IMMUNITY Compliance to EN61000-4-2,3,4,5,6,8; EN55024, light industry level, criteria A CASE MATERIAL Aluminum MTBF 900K hrs typ. MIL-HDBK-217F (25℃) OTHERS DIMENSION 57.9*61*12.7mm (2.28"*2.40"*0.5") (L*W*H) 100g WEIGHT ����������������������������������������������������������������������������������������℃�� ���!����������������� NOTE ���"������#������������������������$%&’�� �!���(���)�!������*�����+��(����������,(���������������(��)����� ���������#��$� ���������������������������������� -���)����(��������������������������+.����+����+."�/+�����+,����+����+,"�/+� ����)����(������������������������������������()��)�(����!������������������� ������0����������)�� ������0�������������!����,��� �������)����������������� ����1%���������2����For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” File Name:MHB150-SPEC 2017-09-07 150W DC-DC Half-Brick Regulated Single Output Converter MHB150 series Mechanical Specification Unit:inch[mm] All Dimensions In Inches [mm] Tolerance Inches: X.XX=±± 0.02 , X.XXX= 0.010 Millimeters: X.X=±± 0.5 , X.XX= 0.25 0.18 min. 0.50 [4.6] [12.7] Mounting Inserts M3*0.5 R1.50 BOTTOM VIEW 45 36 7 28 19 SIDE VIEW 1.90 [48.3] 2.28 [57.9] Pin No. Assignment Pin No. Assignment Pin No. Assignment Pin No. Assignment +Vin -Vin 7 Trim 14 25 R.C. -Vout 8 +R.S. 36 Case -R.S. 9 +Vout Remote ON/OFF Control The MHB150 series allow the user to switch the power ON and OFF electronically by their remote ON/OFF feature. The MHB150 series are available with "Positive Logic" (standard) or "Negative Logic" (option). Logic table Logic State(pin2) Positive logic Negative logic Logic Low-Switch Closed Power OFF(<0.8Vdc) Power ON(<0.8Vdc) Logic High-Switch Open Power ON(Open circuit) Power OFF(Open circuit) Note: 1.Logic compatibility : R.C.(pin2) ~ -Vin(pin4). 2.Suffix "N" to the model number with Negative logic remote ON/OFF. R.C.(pin2) MHB150 High singal here disable output -Vin(pin4) Example control circuit(positive logic) File Name:MHB150-SPEC 2017-09-07 2.40 [61.0] 2.00 [50.8] 1.40 [35.56] 0.60 [15.24] ψ0.04 [1.02] ψ0.08 [2.03] 150W DC-DC Half-Brick Regulated Single Output Converter MHB150 series External Output Trimming +Vin +Vout +Vin +Vout (pin1) (pin9) (pin1) (pin9) RTrim-down Trim Trim MHB150 MHB150 (pin7) (pin7) R-Load RTrim-up R-Load -Vin -Vout -Vin -Vout (pin4) (pin5) (pin4) (pin5) Figure 1 : Trim-up voltage setup Figure 2 : Trim-down voltage setup The value of RTrim-up defined as: The value of RTrim-down defined as: (R1-R2×(Voo -V , nom)) (R1-R2×(Voo , nom-V )) (KΩ) (KΩ) = = RTrim-up RTrim-down (Voo -V , nom) (Voo , nom-V ) Where: RTrim-up is the external resistor in Kohm. Where: RTrim-down is the external resistor in Kohm. Vo,nom is the nominal output voltage. Vo,nom is the nominal output voltage. Vo is the desired output voltage. Vo is the desired output voltage. R1 and R2 are inside the unit and list in Table 1 R1 and R2 are inside the unit and list in Table 2. Output R1 R2 Output R1 R2 Voltage(V) (Kohm) (Kohm) Voltage(V) (Kohm) (Kohm) 5V 5.8 3.3 5V 5.8 5.32 12V 18.945 4.636 12V 86.45 60.1 24V 41.442 6.977 24V 430 120 Table 1 Table 2 For example, to Trim-up the output For example, to Trim-down the output voltage of 5.0V model (MHB150-48S05) Voltage of 5.0V model (MHB150-48S05) by 8% to 5.4V, RTrim-up is calculated by 8% to 4.6V, RTrim-down is as follows: calculated as follows : Vo - Vo,nom = 5.4 -5.0 = 0.4V Vo,nom - Vo = 5.0 - 4.6 = 0.4 V R1 = 5.8 Kohm R1 = 5.8 Kohm R2 = 3.3 Kohm R2 = 5.32 Kohm 5.8-3.3×0.4 5.8-5.32×0.4 RTrim-up=== 11.2 (KΩΩ )) RTrim-down = 9.18 (K 0.4 0.4 File Name:MHB150-SPEC 2017-09-07 150W DC-DC Half-Brick Regulated Single Output Converter MHB150 series Thermal Curve oo The operating case temperature range of MHB-150 series is -40 C to +100 C. When operate the MHB-150 series, proper de-rating or cooling is needed. o The maximum case temperature under any operating condition should not be exceed 100 C. The following curve is the de-rating curve of MHB-150 series without heat sink. Power Dissipated vs Ambient Temperature and Air Flow without heatsink 50 Natural Convection 20 ft./min. (0.1 m/s) 45 100 f t./min. (0 .5 m/s) 40 200 f t./min. (1 .0 m/s) 35 300 f t./min. (1 .5 m/s) 30 25 400 f t./min. (2 .0 m/s) 20 500 f t./min. (2 .5 m/s) 15 600 f t./min. (3 .0 m/s) 10 700 f t./min. (3 .5 m/s) 5 800 f t./min. (4 .0 m/s) 0 0 10 2030405060708090 100 () ℃ Ambi ent Temperature, Ta Air Flow Rate Typical Rca Air Flow Rate Typical Rca Natural convection 7.12℃/ W 500 ft./min. (2.5m/s) 2.96℃/ W Rca : Thermal resistance from case to 20ft./min. (0.1m/s) ambience 100 ft./min. (0.5m/s) 6.21℃/ W 600 ft./min. (3.0m/s) 2.53℃/ W 200 ft./min. (1.0m/s) 5.17℃/ W 700 ft./min. (3.5m/s) 2.37℃/ W 300 ft./min. (1.5m/s) 4.29℃/ W 800 ft./min. (4.0m/s) 2.19℃/ W 400 ft./min. (2.0m/s) 3.64℃/ W Example: What is the minimum airflow necessary for a MHB150-48S12 operates at nominal line, an output current of 12.5A, and a maximum ambient temperature of 40℃? Solution: Given: Vin=48Vdc, Vo=12Vdc, Io=12.5A,η(unit efficiency)=89% Determine Power dissipation (Pd): Pd=Pi-Po=Po(1-ηη )/ Pd=12×× 12.5 (1-0.89)/0.89=18.54 Watts Determine airflow: Given: Pd=18.54W and Ta=40℃ Check Thermal Curve above: minimum airflow= 500 ft./min. Verifying: The maximum temperature rise△× T = Pd Rca=18.54×2.96=54.88℃ The maximum case temperature Tc=Ta+△℃ T=94.88 <100℃ Where: The Rca is thermal resistance from case to ambience. The Ta is ambient temperature and the Tc is case temperature. File Name:MHB150-SPEC 2017-09-07 Power Disspated, P (Watts) d 150W DC-DC Half-Brick Regulated Single Output Converter MHB150 series Case Heat Sink (Optional) Unit:mm Model No.: M-C308 (Vertical Fins) Model No.: M-C091(Horizontal Fins) Model No.: M-C092 (Horizontal Fins) 58 61 61 48.20 50.8 50.8 2.-8.50 8-2 5.-7.80 R1 CR0.3 0.30 Rca: Rca: Rca: 3.90℃/ W (typ.), at natural convection 4.70℃/ W (typ.), at natural convection 3.00℃/ W (typ.), at natural convection 1.74℃/ W (typ.), at 100ft./min.(LFM) 2.89℃/ W (typ.), at 100ft./min.(LFM) 1.44℃/ W (typ.), at 100ft./min.(LFM) 1.33℃/ W (typ.), at 200ft./min.(LFM) 2.30℃/ W (typ.), at 200ft./min.(LFM) 1.17℃/ W (typ.), at 200ft./min.(LFM) 1.12℃/ W (typ.), at 300ft./min.(LFM) 1.88℃/ W (typ.), at 300ft./min.(LFM) 1.04℃/ W (typ.), at 300ft./min.(LFM) 0.97℃/ W (typ.), at 400ft./min.(LFM) 1.59℃/ W (typ.), at 400ft./min.(LFM) 0.95℃/ W (typ.), at 400ft./min.(LFM) File Name:MHB150-SPEC 2017-09-07 4-ψ3.3 60.70 21 50.80 3±0.3 12.7 58 2.7 48.2 25.4 58 2.7 48.2 150W DC-DC Half-Brick Regulated Single Output Converter MHB150 series Heatsink Assembly Screw Washer Heat Sink Thermal Pad or suitable thermal grease Heat Sink Order No.: M-C308 1 M-C091 2 M-C092 3 Thermal Pad: 56.9x60x0.25mm 4 Screw: SMP+SW M3x8L EMC Suggestion Circuit ※Required external components to meet EN55022 class A conducted emission are as below: L1 +Vin +Vout +Vin +Vout MHB150 Lo ad C1 C2 Case -Vin -Vin -Vout -Vout C3 C4 Model No. C1 C2 C3 C4 L1 47uF/100V 47uF/100V MHB150-48S□ 1000pF 1000pF 3.4uH ESR<0.17Ω ESR<0.17Ω □=05,12,24 File Name:MHB150-SPEC 2017-09-07