With a reliable snap-on for DIN rail and over voltage protection, our 30 watt single and dual output DC-DC converter features internal input fuse protection, an output DC-OK indicator, case protection that meets IP 20 and internal input reverse polarity protection. The 30 watt model also has an I/O isolation of 1600 Vdc.

INPUT

• Voltage Range
• 24 Vdc nominal input: 9 - 36 Vdc
• 48 Vdc nominal input: 18 - 75 Vdc
• Input Surge Voltage
• 24 Vdc input: 50 Vdc 100 ms. max
• 48 Vdc input: 100 Vdc 100 ms. max
• Input fuse (slow blow)
• 24 Vdc input: 6A
• 48 Vdc input:4A
• In-rush current: 15A
• Input reflected ripple current: 15mA p-p
• Start up time
• Nominal input and constant resistive Load
• Power Up: 100 mS
• Remote On/Off: 10 mS
• Startup Voltage
• 24 Vdc input: 10 Vdc
• 48 Vdc input: 18 Vdc
• Shutdown Voltage
• 24 Vdc input: 8 Vdc
• 48 Vdc input: 16 Vdc
• Remote ON/OFF
• Positive logic, Standard
• DC-DC ON: Open or 3 V <Vr <12V
• DC-DC OFF: Short or 0 V < Vr < 1.2V
• Negative logic, Option
• DC-DC ON: Short or 0V < Vr < 1.2V
• DC-DC OFF: Open or 3V <Vr <12V
• Input current of remote control pin
• Nominal Input: -0.5 mA. - 0.5 mA.
• Remote off state input current
• Nominal input: 3 mA.

OUTPUT

• Output power: 30 Watts Max.
• Voltage accuracy
• 3.3 Vout: ±1.5%
• Others: ±1%
• Minimum Load: 0%
• Voltage adjustability
• Single 28 Vout: -3% - 17%
• Single Others: ±10%
• Line Regulation
• LL to HL at Full Load Single: ±1.5%, ±1%
• Load Regulation
• No load to Full Load
• 3.3 Vout: ±2.0%
• Others: ±1.5%
• Load Cross Regulation
• Dual: ±5%
• Ripple and Noise 20 mHZ Bandwidth: 50 - 130 mVp-p
• Temperature Coefficient: ±0.02%/°C Max.
• Transient Response recovery time
• 25% load step change: 250µS
• 3.3 Vdc Output: 3.9 Vdc
• 5 Vdc Output: 6.2 Vdc
• Over voltage protection
• 12 Vdc Output: 15 Vdc
• Zener diode clamp
• 15 Vdc Output: 18 Vdc
• 24 Vdc Output: 30 Vdc
• 28 Vdc Output: 36 Vdc
• Output Indicator: Green LED
• Over load protection
• 0% of FL at nominal input: 150%
• Short circuit protection: Hiccup, automatic recovery

GENERAL

• Efficiency: 82 - 86%
• Isolation Voltage
• Input to Output: 1600 Vdc, min. 1 minute
• Input (Output) to Chassis: 1600 Vdc, min. 1 minute
• Isolation resistance: 10⁹ ohms, min.
• Isolation capacitance: 4000 pF, max.
• Switching frequency: 400 KHz ±10%
• Design meets safety standard: IEC60950-1, UL60950-1, EN60950-1
• Chassis material: Aluminum
• Dimensions: 4.92 x 2.27 x 0.97 (125 x 57.6 x 24.5 mm)
• Weight: 170 g. (5.98 oz.)
• MTBF
• BELLCORE TR-NWT-000332: 1.014 x 10⁸ hrs.
• MIL-HDBK-217F: 3.455 x 10⁵ hrs.

ENVIRONMENTAL

• Operating ambient temperature: -40 to 85°C without derating
• Storage temperature range: -40 to 105°C
• Thermal Shock: MIL STD 810F
• Vibration: MIL STD 810F
• Relative Humidity: 5 - 95% RH

EMC CHARACTERISTICS

• EMI
• EN55022: Class B
• ESD:
• EN61000-4-2, Perf. Criteria A
• Air: ±8KV
• Contact: ±6KV
• Radiated Immunity
• EN61000-4-3: 10 V/m, Perf. Criteria A
• Fast Transient
• EN61000-4-4: ±2KV, Perf. Criteria A
• Surge
• EN61000-4-5: ±0.5KV, Perf. Criteria A
• Conducted Immunity
• EN61000-4-6: 10 Vrms, Perf. Criteria A