With an input to output isolation up to 1.6 KVdc, our 3 watt single and dual output DC-DC converter features a 2:1 wide input voltage range, low ripple and noise, an external on/off control and continuous short circuit protection. The converter also meets the ROHS directive.

INPUT

• Voltage Range
• 5V nominal input: 4.5 - 9 Vdc
• 12V nominal input: 9 - 18 Vdc
• 24V nominal input: 18 - 36 Vdc
• 48V nominal input: 36 - 72 Vdc
• Input Filter: Capacitor type
• Input Surge Voltage: 100 mS max.
• 5V input: 15 Vdc
• 12V input: 36 Vdc
• 24V input: 50 Vdc
• 48V input: 100 Vdc
• Reflected Ripple Current: External Capacitor at Input
• 5V input: 400 mVp-p max
• 12V input: 150 mVp-p max
• 24V input: 380 mVp-p max
• 48V input: 170 mVp-p max
• Start up time Nominal Vin and constant resistor load: 1mS typ.
• Remote ON/OFF
• DC-DC ON: Open or high impedance
• DC-DC OFF: Control pin applied current 4 ~ 8mA max. via 1 KΩ
• Remote OFF Input currentNominal input: 1 mA max.

OUTPUT

• Output Power: 3 watts max.
• Voltage Accuracy Full load and nominal Vin: ±1%
• Minimum Load: 25% of FL
• Line Regulation LL to HL at Full load: ±0.2%
• Load Regulation Min. load to 100% load: Single ±0.5%, Dual ±1%
• Ripple and Noise Balanced on All Output: 75mVp-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: 73 - 81%
• Isolation Voltage: 1600 Vdc
• Isolation Resistance: 10⁶ Ohms
• Isolation Capacitance: 1000 pF, max.
• Switching Frequency: 1000 KHz, min.

ENVIRONMENTAL

• Operating Temperature Range: -40 to 71°C without derating
• Storage Temperature Range: -55 to 125°C
• Cooling: Free Air Convection
• Thermal Shock: MIL-STD-810D
• Vibration: 0 - 55 Hz, 10 G, 30 minutes along X, Y, Z
• Relative Humidity: 5 - 95% RH

PHYSICAL

• Case Material: Non-conductive black plastic
• Base Material: None
• Potting Material: Silicon
• 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.
• (Ground fixed and controlled environment)

EMC CHARACTERISTICS

Meet EN55022 classes B recommend circuit with external L-C at input (The SWA3 Series requires (Not required) external filter to meet ENS5022 class B.)

• 5V input: 100μF and 10μH
• 12V input: 100μF and 10μH
• 24V input: 100μF and 120μH
• 48V input: 10μF and 120μH