With a minimum input/output isolation of 1500 Vdc, our 20 watt single output DC-DC converter with epoxy encapsulation features a low profile package of 1.0" x 2.0" x 0.4" and an operating temperature range up to 85°C. UL and CE-approved, this design is 89% efficient and has six-sided continuous metal shielding.

INPUT

• Input Voltages
• 24 Vdc: 18 - 36 Vdc
• 48 Vdc: 36 - 72 Vdc
• Input Filter: L-C type
• Input reflected ripple: Nominal Vin and full load 20 mA p-p
• Start up time Nominal Vin and constant resistor load: 10 mS, typ.
• Remote on/off
• DC-DC ON: Open or 3.5V<Vr<12V
• DC-DC OFF: Short or 0V<Vr<1.2V
• Remote OFF Input current: Nominal Vin 20 mA

OUTPUT

• Voltage Accuracy: ±1% max.
• Line Regulation LL to HL at FL: ±0.2% max.
• Load Regulation 10% to 100% FL: ±0.5% max.
• Ripple and Noise (20 MHz BW): 75 mV p-p max.
• Temperature Coefficient (at FL): ±0.02%/°C max.
• Transient Response, recovery time 25% load step: 300μms max.

GENERAL

• Efficiency: 79 - 89%
• Isolation Voltage: 1500 Vdc min.
• Isolation Resistance: 10⁹ Ohms, min./1000 MOhms
• Isolation Capacitance: 1000 pF, max.
• Switching Frequency: 500 KHz, typ.
• Over Voltage Protection (Zener diode clamp)
• 1.5V output: 3.9V
• 1.8V output: 3.9V
• 2.5V output: 3.9V
• 3.3V output: 3.9V
• 5V output: 6.2V
• 12V output: 15V
• 15V output: 18V
• Short Circuit Protection: Hiccup, automatics recovery Over Load Protection: Percent of FL at nominal input 150% typ.

PHYSICAL

• Case Material: Nickel coated copper with non-conductive base
• Weight: 1.5 oz. (42.52 g)
• Dimensions: 1.00" x 2.00" x 0.40" (25.4 x 50.8 x 10.16 mm)
• MTBF: 1.791 x 10⁶ Hours

ENVIRONMENTAL

• Operating Temperature Range: -40 to 85°C with derating * Maximum Case Temperature: 100°C
• Storage Temperature Range: -55 to 105°C
• Thermal Impedance: Nature convection 12°C/Watt, nature convection with heat sink 10°C/Watt
• Thermal Shock: MIL-STD-810D
• Vibration: 10 - 55 Hz, 2G, 30 minutes along X, Y and Z
• Relative humidity: 5 - 95% RH
• Cooling: Free Air Convection

EMC CHARACTERISTICS

• Conducted emissions: EN55022, Level A
• Radiated emissions: EN55022, Level A
• ESD: EN61000-4-2, Perf. Criteria 2
• Radiated immunity: EN61000-4-3, Perf. Criteria 2
• Fast transient: EN61000-4-4, Perf. Criteria 2
• Surge: EN61000-4-5, Perf. Criteria 2
• Conducted immunity: EN61000-4-6, Perf. Criteria 2