Delta Series E24SR - Manuals

Page 2 - TECHNICAL SPECIFICATIONS; PARAMETER

DS_E24SR05012_01032008 2 TECHNICAL SPECIFICATIONS (T A =25°C, airflow rate=300 LFM, V in = 24 Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS E24SR05012 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 36 Vdc Transient (100ms) 100ms 50 Vdc O...

Page 3 - ELECTRICAL CHARACTERISTICS CURVES; maximum input voltage at 25°C

DS_E24SR05012_01032008 3 ELECTRICAL CHARACTERISTICS CURVES 80 82 84 86 88 90 92 2 4 6 8 10 12 Output Current (A ) E ff ici e n cy ( % ) 1.0 2.0 3.0 4.0 5.0 6.0 7.0 2 4 6 8 10 Output Current (A) L o ss ( W ) 18Vin 12 Figure 1: Efficiency vs. load current for minimum, nominal, and maximum input voltag...

Page 4 - For Negative Remote On/Off Logic; For Positive Remote On/Off Logic; Turn-on transient at full rated load current (resistive

DS_E24SR05012_01032008 4 ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On/Off Logic Figure 4: Turn-on transient at full rated load current (resistive load) (2 ms/div). Vin=24V. Top Trace: Vout, 2.0V/div; Bottom Trace: ON/OFF input, 10V/div Figure 5: Turn-on transient at zero load current (2 ...

Page 5 - Figure

DS_E24SR05012_01032008 5 ELECTRICAL CHARACTERISTICS CURVES Figure 8: Output voltage response to step-change in load current (75%-50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF tantalum capacitor and 1µF ceramic capacitor. 0 Top Trace: Vout (100mV/div, 200us/div), Bottom Trace: Iout (5A/div). S...

Page 6 - Strip

DS_E24SR05012_01032008 6 ELECTRICAL CHARACTERISTICS CURVES Strip Copper Vo(-) Vo(+) 10u 1u SCOPE RESISTIVE LOAD Figure 12: Input reflected ripple current, i s , through a 12µH source inductor at nominal input voltage and rated load current (20 mA/div, 2us/div) Figure 13: Output voltage noise and rip...

Page 7 - Soldering and Cleaning Considerations; DESIGN CONSIDERATIONS; Input Source Impedance

DS_E24SR05012_01032008 7 The input source must be insulated from the ac mains by reinforced or double insulation. The input terminals of the module are not operator accessible. If the metal baseplate is grounded , one Vi pin and one Vo pin shall also be grounded. A SELV reliability test is conducted...

Page 8 - Remote Sense; Vout; Effective circuit configuration for remote sense; FEATURES DESCRIPTIONS; Over-Voltage Protection

DS_E24SR05012_01032008 8 Vi(-) ON/OFF Vi(+) Vo(-) Trim Vo(+) Sense(-) Sense(-) Vi(-) ON/OFF Vi(+) Vo(-) Trim Vo(+) Sense(-) Sense(-) Figure 16: Remote on/off implementation Remote Sense Remote sense compensates for voltage drops on the output by sensing the actual output voltage at the point of load...

Page 9 - Circuit configuration for trim-down (decrease; down; Circuit configuration for trim-up (increase output; Vo

DS_E24SR05012_01032008 9 FEATURES DESCRIPTIONS (CON.) Output Voltage Adjustment (TRIM) To increase or decrease the output voltage set point, connect 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 18:...

Page 10 - THERMAL CONSIDERATIONS; Thermal Testing Setup; Wind tunnel test setup; Thermal Derating; Hot spot temperature measured point; Output current vs. ambient temperature and air velocity

DS_E24SR05012_01032008 10 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 of he...

Page 11 - PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL

DS_E24SR05012_01032008 11 PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD)

Page 12 - Temp

DS_E24SR05012_01032008 12 LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE Time ( sec. ) Pre-heat temp. 140~180 ° C 60~120 sec. Peak temp. 210~230 ° C 5sec. Ramp-up temp. 0.5~3.0 ° C /sec. T emperatur e ( ° C ) 50 100 150 200 250 300 60 0 120 180 240 2nd Ramp-up temp. 1.0~3.0 ° C /sec. Over 200 ° C 40...

Page 13 - MECHANICAL DRAWING; module; Name

DS_E24SR05012_01032008 13 MECHANICAL DRAWING Surface-mount module Through-hole module Pin No. Name Function 1 -Vin Negative input voltage Remote ON/OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage 2 3 4 5 6 ON/...

Page 14 - PART NUMBERING SYSTEM; MODEL LIST; MODEL NAME

DS_E24SR05012_01032008 14 PART NUMBERING SYSTEM E 24 S R 050 12 N R F A Type of Product Input Voltage Number of Outputs Product Series Output Voltage Output Current ON/OFF Logic Pin Length/Type Option Code E - Eighth Brick 24V S - Single R - Regular 050 - 5.0V 12 - 12A N - Negative (Default) P - Pos...

Page 15 - at any time, without notice

DS_E24SR05012_01032008 15 at any time, without notice .