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FEATURES
High efficiency: 89% @ 5V/ 15A
Size: 58.4mm x 22.8mm x 9.2mm
(2.30”x0.90”x0.36”)
Industry standard pin out
18~75V extremely wide 4:1 input range
Fixed frequency operation
Input UVLO, Output OCP, OVP and OTP
2250V isolation
Basic insulation
No minimum load required
SMD and through-hole versions
ISO 9001, TL 9000, ISO 14001, QS 9000,
OHSAS 18001 certified manufacturing
facility
UL/cUL 60950-1 (US & Canada)
Recognized, and TUV (EN60950-1)
Certi
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TECHNICAL SPECIFICATIONS (T =25°C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted.) A in PARAMETER NOTES and CONDITIONS E36SR05015 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 18 24/48 75 Vdc Transient (100ms) 100ms 100 Vdc Operating Temperature Refer to Figure 21 for measuring point -40 122 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input
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ELECTRICAL CHARACTERISTICS CURVES Figure 1: Efficiency vs. load current for minimum, nominal, and Figure 2: Power dissipation vs. load current for minimum, maximum input voltage at 25°C. nominal, and maximum input voltage at 25°C. Figure 3: Typical full load input characteristics at room temperature. DS_E36SR05015_01042008 3
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ELECTRICAL CHARACTERISTICS CURVES Figure 4: Turn-on transient at full rated load current (CC mode) Figure 5: Turn-on transient at zero load current (5ms/div). (5ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input, ON/OFF input, 5V/div. 5V/div. Figure 6: Turn-on transient at full rated load current (CC mode) Figure 7: Turn-on transient at zero load current (5ms/div). (5ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace:
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ELECTRICAL CHARACTERISTICS CURVES Figure 8: Output voltage response to step-change in load Figure 9: Output voltage response to step-change in load current (50%-25% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF, current (25%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout tantalum capacitor and 1µF ceramic capacitor. Top Trace: Vout (100mV/div, 200us/div), Bottom Trace: I out (5A/div). (100mV/div, 200us/div), Bottom Trace: I
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ELECTRICAL CHARACTERISTICS CURVES Copper Strip Vo(+) SCOPE RESISTIVE 10u 1u LOAD Vo(-) Figure 12: Input reflected ripple current, i , through a 12µH Figure 13: Output voltage noise and ripple measurement test s source inductor at 48Vin and 15A output current (20 mA/div, setup. 2us/div). Figure 14: Output voltage ripple at 48Vin and rated load Figure 15: Output voltage vs. load current showing typical current (Io=15A)(20 mV/div, 2us/div) current limit curves and converter shutdown
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DESIGN CONSIDERATIONS The input source must be insulated from the ac Input Source Impedance mains by reinforced or double insulation. The impedance of the input source connecting to the The input terminals of the module are not operator DC/DC power modules will interact with the modules and accessible. affect the stability. A low ac-impedance input source is recommended. If the source inductance is more than a If the metal baseplate is grounded, one Vi pin and few μH, w
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FEATURES DESCRIPTIONS Vi(+) Vo(+) Over-Current Protection Sense(+) The modules include an internal output over-current ON/OFF protection circuit, which will endure current limiting for an unlimited duration during output overload. If the Sense(-) output current exceeds the OCP set point, the modules will automatically shut down (hiccup mode). Vi(-) Vo(-) The modules will try to restart after shutdown. If the overload condition still exists, the module will shut down Figure 16:
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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 left open if this feature is not used. Figure 19: Circuit configuration for trim-up (increase output voltage) If the external resistor is connected between the TRIM and SENSE (+) the output voltage set point increases (Fig.
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Thermal Derating THERMAL CONSIDERATIONS Heat can be removed by increasing airflow over the module. Thermal management is an important part of the system The hottest point temperature of the module is +122°C. To design. To ensure proper, reliable operation, sufficient enhance system reliability; the power module should always cooling of the power module is needed over the entire be operated below the maximum operating temperature. If the temperature range of the module. Convection co
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PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD) DS_E36SR05015_01042008 11
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LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Peak temp. 2nd Ramp-up temp. 210~230°C 5sec. 1.0~3.0°C /sec. 250 Pre-heat temp. 140~180°C 60~120 sec. 200 Cooling down rate <3°C /sec. Ramp-up temp. 150 0.5~3.0°C /sec. 100 Over 200°C 40~50sec. 50 0 1 60 20 180 240 300 Time ( sec. ) Note: The temperature refers to the pin of E36SR, measured on the pin +Vout joint. LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE . Temp Peak Temp. 240 ~ 245 ℃ 217℃ Ramp down max. 4 ℃/sec. 200℃ Pr
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MECHANICAL DRAWING Surface-mount module Through-hole module Pin No. Name Function 1 +Vin Positive input voltage 2 ON/OFF Remote ON/OFF 3 -Vin Negative input voltage 4 -Vout Negative output voltage 5 -SENSE Negative remote sense 6 TRIM Output voltage trim 7 +SENSE Positive remote sense 8 +Vout Positive output voltage DS_E36SR05015_01042008 13
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MECHANICAL DRAWING (WITH HEATSPREADER) THROUGH-HOLE MODULE DS_E36SR05015_01042008 14
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PART NUMBERING SYSTEM E 36 S R 050 15 N R F A Type of Input Number of Product Output Output ON/OFF Pin Option Code Product Voltage Outputs Series Voltage Current Length/Type Logic E- Eighth 36-18~75V S- Single R- Regular 050- 5.0V 15-15A N- Negative R- 0.170” A- Standard Functions F- RoHS 6/6 Brick H- With Heatspreader (Lead Free) MODEL LIST MODEL NAME INPUT OUTPUT EFF @ 100% LOAD E36SR3R320NRFA 18V~75V 4.5A 3.3V 20A 88% E36SR05015NRFA 18V~75V 5A 5.0V 15A 89% Default remo
