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3 Watt

Single and Dual Output Regulated Wide Input, 2:1


Wide input converters with on/off controls

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
    Output Current (mA)      
Input Voltage
Range (Vdc)
Output Voltage
(Vdc)
Min Load Full Load Efficiency  Model Number Case
Single Output
5 (4.5-9) 3.3 35 700 73 SWA3-5S33 SIP3
5 30 600 77 SWA3-5S5 SIP3
9 20 333 78 SWA3-5S9 SIP3
12 17 250 79 SWA3-5S12 SIP3
15 14 200 80 SWA3-5S15 SIP3
12 (9-18) 3.3 35 700 74 SWA3-12S33 SIP3
5 30 600 78 SWA3-12S5 SIP3
9 20 333 79 SWA3-12S9 SIP3
12 17 250 80 SWA3-12S12 SIP3
15 14 200 81 SWA3-12S15 SIP3
24 (18-36) 3.3 35 700 74 SWA3-24S33 SIP3
5 30 600 78 SWA3-24S5 SIP3
9 20 333 79 SWA3-24S9 SIP3
12 17 250 80 SWA3-24S12 SIP3
15 14 200 81 SWA3-24S15 SIP3
48 (36-72) 3.3 35 700 74 SWA3-48S33 SIP3
5 30 600 79 SWA3-48S5 SIP3
9 20 333 79 SWA3-48S9 SIP3
12 17 250 80 SWA3-48S12 SIP3
15 14 200 81 SWA3-48S15 SIP3
Dual Output
5 (4.5-9) ±5 15 ±300 77 SWA3-5-5 SIP3
±12 10 ±125 79 SWA3-5-12 SIP3
±15 10 ±100 80 SWA3-5-15 SIP3
12 (9-18) ±5 15 ±300 80 SWA3-12-5 SIP3
±12 10 ±125 81 SWA3-12-12 SIP3
±15 10 ±100 81 SWA3-12-15 SIP3
24 (18-36) ±5 15 ±300 80 SWA3-24-5 SIP3
±12 10 ±125 81 SWA3-24-12 SIP3
±15 10 ±100 81 SWA3-24-15 SIP3
48 (36-72) ±5 15 ±300 80 SWA3-48-5 SIP3
±12 10 ±125 81 SWA3-48-12 SIP3
±15 10 ±100 81 SWA3-48-15 SIP3