h24sn12012nrfa Delta Electronics, Inc., h24sn12012nrfa Datasheet
h24sn12012nrfa
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h24sn12012nrfa Summary of contents
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... The Delphi Series H24SN Half Brick, 24V input, single output, isolated DC/DC converters are the latest offering from a world leader in power systems technology and manufacturing -- Delta Electronics, Inc. This product family provides up to 350 watts of power in an industry standard footprint. Typical full load efficiency for 24Vin, 28V output is 90 ...
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TECHNICAL SPECIFICATIONS (T =25°C, airflow rate=300 LFM, V =24Vdc, nominal Vout unless otherwise noted PARAMETER ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous Transient (100ms) Operating Temperature Storage Temperature Input/Output Isolation Voltage INPUT CHARACTERISTICS Operating Input Voltage Input Under-Voltage Lockout ...
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ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C. Figure 3: Input current vs. output current at low line, nominal line, and high line. H24SN28012_07272006 Figure 2: Power dissipation vs. load ...
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ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 5: Turn-on transient at full rated load current (resistive load) (5ms/div). CH2: Vout; 10V/div; CH3: ON/OFF input: 5V/div H24SN28012_07272006 Figure 6: Turn-on transient at minimum load current (5ms/div). CH2: Vout: 10V/div; ...
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ELECTRICAL CHARACTERISTICS CURVES Figure 7: Output voltage response to step-change in load current (75%-50% of Io, max; di/dt = 1A/µs). Load cap: 330µF aluminum ,10uF Low ESR capacitor and 1µF ceramic capacitor. Top Trace: Vout (100mV/div), Bottom Trace: Iout (1A/div). ...
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ELECTRICAL CHARACTERISTICS CURVES Figure 10: Input Terminal Ripple Current, i current and nominal input voltage with 12µH source impedance and 220µF electrolytic capacitor (1A/div). Copper Strip Vo(+) 10u 1u Vo(-) Figure 12: Output voltage noise and ripple measurement test setup ...
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ELECTRICAL CHARACTERISTICS CURVES Figure 13: Output voltage ripple at nominal input voltage and rated load current (50 mV/div). Load capacitance:330uF aluminum, 1µF ceramic capacitor and 10µFlow ESR capacitor. Bandwidth: 20 MHz. Scope measurement should be made using a BNC cable ...
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DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will interact with the modules and affect the stability. A low ac-impedance input source is recommended. If the source inductance is more than ...
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FEATURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration during output overload. If the output current exceeds the OCP set point, the modules will automatically shut down ...
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FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrease the output voltage set point, the modules may be connected with an external resistor between the TRIM pin and either the SENSE(+) or SENSE(-). The TRIM pin should be ...
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THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode ...
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MECHANICAL DRAWING Pin No. Name 1 -Vin 2 SYNC IN 3 ON/OFF 4 +Vin 5 +Vout 6 +SENSE 7 TRIM 8 -SENSE 9 -Vout Pin Specification: Pins 1-4, 6-8 1.00mm (0.040”) diameter Pins 5 & 9 2.00mm (0.079”) diameter All ...
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PART NUMBERING SYSTEM Form Input Number of Product Factor Voltage Outputs Series H- Half 24V S- Single N- 350W Brick series MODEL LIST MODEL NAME H24SN28012NRFA 18V~36V Default remote on/off logic is negative and pin length ...