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| VER : B_1 update : 98.04.09 Encapsulated DC-DC Converter ST20 SERIES KEY FEATURES Power Module for PCB Mountable 2:1 Input Range Synchronous Rectifier Topology Regulated Output Low Ripple and Noise Screw Terminal For Optional Remote ON/OFF Control (Optional) Standard 2" x 1" Package and Pinout CE, UL Approval 2 Years Product Warranty 20 Watts ELECTRICAL SPECIFICATIONS Model No. Max. Output Wattage (W) Input Voltage (V.DC.) Outut Voltage (V.DC.) Efficiency Model No. Max. Output Wattage (W) Input Voltage (V.DC.) Outut Voltage (V.DC.) Efficiency ST20-24-2.5S 12.5W 24V (18-36V) 2.5V / 4000mA 83% ST20-48-2.5S 12.5W 48V (36-75V) 2.5V / 4000mA 83% ST20-24-3.3S 14W 24V (18-36V) 3.3V / 4000mA 86% ST20-48-3.3S 14W 48V (36-75V) 3.3V / 4000mA 86% ST20-24-5S 20W 24V (18-36V) 5V / 4000mA 87% ST20-48-5S 20W 48V (36-75V) 5V / 4000mA 87% Model No. Max Output Wattage (W) Input Input Filter Voltage (V.DC.) Voltage Accuracy Current (mA) max Line Regulation (LL-HL) (typ.) Output Load Regulation (10-100%) (typ.) Ripple Noise Efficiency Switching Frequency Over Power Protection Over Voltage Protection Protection Short Circuit Protection Transient Response Voltage Isolation Resistance Capacitance Operating Temperature Storage Temperature Case Temperature Environment Temperature Coefficient Humidity MTBF Dimension (L x W x H) Case Material Physical Weight Cooling Method Safety Agency Approvals EMC EMI (Conducted & Radiated Emission) ST20-24-2.5S 12.5W ST20-24-3.3S 14W ST20-24-5S 20W ST20-48-2.5S 12.5W ST20-48-3.3S 14W 3.3 4000 ST20-48-5S 20W 5 4000 type 2.5 3.3 5 2.5 2% 4000 4000 4000 4000 0.5% 1% 110mV max (Vp-p) 200mV max (Vp-p) 83% 86% 87% 83% 400KHz Works over 120% of rating and recovers automatically. Zener diode clamp Current limit, auto-recovery 500 us (100% to 50% full load at 1% error band) 1600 VDC. 108 ohms 1000 pF -25C...+70C (with derating) -55C...+105C +100C max. 0.02% PerC 95% RH >550,000 h @ 25C (MIL-HDBK-217F) 1.97 x 1.0 x 0.425 Inches ( 50.1 x 25.4 x 10.8 mm ) Tolerance 0.5 mm Nickel-Coated Copper with Non-conductive Base, Six-side Shielded 32 g Free-air convection CE, UL EN 55022 class A 86% 87% All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated. http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 -1- VER : B_1 update : 98.04.09 Encapsulated DC-DC Converter ST20 SERIES MECHANICAL DIMENSION ( Top View ) PIN# 1 2 3 4 5 6 Single 20 Watts ON / OFF CTL (Optional) -DC IN +DC IN -DC OUT NO PIN +DC OUT DERATING BLOCK DIAGRAM http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 -2- VER : B_1 update : 98.04.09 Encapsulated DC-DC Converter ST20 SERIES SCREW TERMINAL ST20-A2 20 Watts PIN# 1 2 3 4. 5 6 7 8 Single CTRL -DC IN +DC IN -DC OUT NO CONNECT NO CONNECT NO CONNECT +DC OUT Dual CTRL -DC IN +DC IN -DC OUT NO CONNECT COMMON NO CONNECT +DC OUT ST20-A5 PIN# 1 2 3 4. 5 6 7 8 Single CTRL -DC IN +DC IN -DC OUT NO CONNECT NO CONNECT NO CONNECT +DC OUT Dual CTRL -DC IN +DC IN -DC OUT NO CONNECT COMMON NO CONNECT +DC OUT http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 -3- |
Price & Availability of ST20-48-25S
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