Our 3 watt single and dual output DC-DC converter with a 4:1 input voltage range provides continuous short circuit protection, a SIP package of 0.86" x 0.36" x 0.44" and 82% efficiency. This design also has an external on/off control and is RoHS compliant.

INPUT

Input Voltages: Voltage Range 10%

• Input Voltage Range
• 24V nominal input: 9 - 36 Vdc
• 48V nominal input: 18 - 72 Vdc
• Input Filter: Capacitor type
• Input Surge Voltage: 100 mS max.
• 24V input: 50 Vdc
• 48V input: 100 Vdc
• Input Reflected Ripple Current
• 24V input: 380 mAp-p max
• 48V input: 200 mAp-p max
• Start up time Nominal Vin and constant resistor load
• Power Up: 30 mS typ
• Remote ON/OFF: 30 mS typ
• Remote ON/OFF
• DC-DC ON: Open or high impedance
• DC-DC OFF: Control pin applied current 2-4mA max. (via 1KΩ)
• Remote OFF: state input current
• Nominal Vin: 2.5 mA max.

OUTPUT

• Output Power: 3 watts max.
• Voltage Accuracy Full load and nominal Vin: ±1%
• Minimum Load: 0%
• Line Regulation LL to HL at Full load: ±0.2%
• Load Regulation
• No load to full load: Single ±1%
• 5% load to 100% load: Single ±0.5%
• No load to full load: Dual ±1%
• Cross Regulation (Dual) Asymmetrical load 25%/100% FL: ±5%
• Ripple and Noise 20 MHz bandwidth: 30 mVp-p
• Temperature Coefficient: ±0.1% °C, max.
• Transient Response Recovery Time 25% load step change: 500μS, typ
• Short Circuit Protection: Continuous, automatic recovery

GENERAL

• Efficiency: 74 - 82%
• Isolation Voltage: 1600 Vdc, min.
• Isolation Resistance: 10⁹ Ohms, min.
• Isolation Capacitance: 200 pF, max.
• Switching Frequency, full load to minimum load: 1000 KHz, min.

ENVIRONMENTAL

• Operating Ambient Temperature: -40 to 71°C without derating and 71 to 85°C with derating
• Storage Temperature Range: -55 to 125°C
• Cooling: Free Air Convection
• Thermal Shock: MIL-STD-810F
• Vibration: MIL-STD-810F
• Relative Humidity: 5 - 95% RH

PHYSICAL

• Design Meets Safety Standard: IEC60950-1, UL60950-1, EN60950-1
• Case Material: Non-conductive black plastic
• Base Material: None
• Potting Material: Silicon (UL94-V0)
• Dimensions: 0.86" x 0.36" x 0.44" (21.8 x 9.2 x 11.1 mm)
• Weight: 4.8 g. (0.17 oz.)
• MTBF (Bellcore TR-NWT-00032, Case: 50% Stress, Temperature at 40°C)
• Bellcore TR-NWT-000332: 3.963 x 10⁶ hrs.
• MIL-HDBK-217F: 1.707 x 10⁶ hrs.

EMC Characteristics

• DEMI per EN55022
• ESD per EN61000-4-3
• Radiated Immunity per EN61000-4-3
• Fast Transient per EN61000-4-4
• Surge per EN61000-4-5
• Conducted Immunity per EN61000-4-6
• Class A
• Air ±8KV Contact ±6KV Perf. Criteria A
• 10V/m Perf. Criteria A
• ±2KV Perf. Criteria A
• ±1KV Perf. Criteria A
• 10 Vrms Perf. Criteria A