30 Watt
Triple Output Ultra Wide Input Voltage, 4:1
RoHS compliant with a low profile package
With an efficiency of 88%, our 30 watt triple output DC-DC converter features an ultra wide input voltage, a low profile package of 1.0" x 2.0" x 0.4" and an operating temperature range up to 85°C. This epoxy-encapsulated design is RoHS compliant and meets UL60950-1, EN-60950-1 and IEC60950-1 standards.
INPUT
- Input voltage range
- 24V nominal input: 9 - 36 Vdc
- 48V nominal input: 18 - 75 Vdc
- Input filter: Pi type
- Input surge voltage, 100 mS max
- 24V input: 50 Vdc
- 48V input: 100 Vdc
- Input reflected ripple current
- Nominal Vin and full load: 20 mAp-p
- Start up time
- Nominal Vin and constant resistive load
- Power up: 30 mS, typ.
- Remote ON/OFF: 30 mS, typ.
- Nominal Vin and constant resistive load
- Start-up voltage
- 24V input: 9Vdc
- 48V input: 18 Vdc
- Shutdown Voltage
- 24V input: 8 Vdc
- 48V input: 16 Vdc
- Remote ON/OFF
- Positive Logic (Standard)
- DC-DC ON: Open or 3V<Vr<12V
- DC-DC OFF: Short or OV<Vr<1.2V
- Negative logic (Option)
- DC-DC ON: Short or 0V<Vr<1.2V
- DC-DC OFF: Open or 3V<Vr<12V
- Positive Logic (Standard)
- Input current of remote control pi
- Nominal Vin: -0.5 mA - 0.5 mA
- Remote off state input current
- Nominal Vin: 3 mA
OUTPUT
- Output power: 30 Watts, max.
- Voltage accuracy
- Full load and nominal Vin: Main ±1%
- Minimum load (Note 7):See Table
- Line regulation: LL to HL at Full Load
- Main: ±1%
- Auxiliary: ±.5%
- Ripple and noise (20 MHz bandwidth): 50 - 75 mVp-p (Measured with a 0.1μF/50V MLCC)
- Temperature coefficient: ±0.02%/ ̊C, max
- Transient response recovery time
- 25% load step change: 250μS
- 3V Output: 3.9V
- Over voltage protection
- 5V Output: 6.2V
- Zener diode clamp
- 12V Output: 15V
- 15V Output: 18V
- Over load protection
- Percentage of FL at nominal input: 150% typ
- Short circuit protection: Hiccup, automatic recovery
GENERAL
- Efficiency: 87 - 88%
- Isolation voltage
- Input to Output: 1600 Vdc, min
- Input (Output) to Case: 1600 Vdc, min
- Case grounding: Connect case to –Vin with decoupling Y cap.
- Isolation resistance: 10^9 ohms, min
- Isolation capacitance: 1500 pF, max.
- Switching frequency: 400 KHz. typ.
- Design meets safety standard: IEC60950-1, UL60950-1 EN60950-1
- Case material: Nickel-coated copper
- Base material: FR4 PCB
- Potting material: Epoxy (UL94-VO)
- Dimensions: 2.00 x 1.00 x 0.40 Inch (50.8 x 25.4 x 10.2 mm)
- Weight: 30.5 g (1.07 oz)
- MTBF
- BELLCORE-TR-NWT-000332: 2.904 x 106 hrs.
- MIL-HDBK-217F: 3.184 x 105 hrs.
ENVIRONMENTAL
- Operating ambient temperature: -40 to 85°C without derating Over temperature protection: 115°C, typ.
- Maximum case temperature: 105°C
- Storage temperature range: -55 to 125°C
- Thermal impedance
- Nature convection: 12°C/Watt
- Nature convection with heat -sink: 10°C/Watt
- Thermal shock: MIL-STD-810F
- Vibration: MIL-STD-810F
- Relative humidity: 5 - 95% RH
EMC CHARACTERISTICS
- EMI: EN55022, Class A
- ESD: EN61000-4-2
- Air: ±8KV
- Contact: ±6KV, Perf. Criteria A
- Radiated immunity: EN61000-4-3, 10V/m, Perf. Criteria A * Fast transient: EN61000-4-4, ±2KV, Perf. Criteria A
- Surge: EN61000-4-5, ±1KV, Perf. Criteria A
- Conducted immunity: EN61000-4-6, 10 V rms, Perf. Criteria A
| Output Current (mA) | Input Current (mA) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Input Voltage Range (Vdc) | Output Voltage (Vdc) | Min. Load | Full Load | Output Ripple & Noise (mVp-p) | No Load | Full Load | Efficiency % | Capacitor Load Max °(μF) | Model Number |
| 9 – 36 | 3.3 / ±12 | 500 / ±42 | 5000 / ±416 | 50/75 | 105 | 1330 | 87 | 15000 / ±340 | LWB30-24S33-12 |
| 3.3 / ±15 | 500 / ±33 | 5000 / ±333 | 50/75 | 105 | 1330 | 87 | 15000 / ±220 | LWB30-24S33-15 | |
| 5 / ±12 | 400 / ±42 | 4000 / ±416 | 50/75 | 105 | 1488 | 88 | 8000 / ±340 | LWB30-24S5-12 | |
| 5 / ±15 | 400 / ±33 | 4000 / ±333 | 50/75 | 105 | 1488 | 88 | 8000 / ±220 | LWB30-24S5-15 | |
| 18 – 75 | 3.3 / ±12 | 500 / ±42 | 5000 / ±416 | 50/75 | 55 | 665 | 87 | 15000 / ±340 | LWB30-48S33-12 |
| 3.3 / ±15 | 500 / ±33 | 5000 / ±333 | 50/75 | 55 | 665 | 87 | 15000 / ±220 | LWB30-48S33-15 | |
| 5 / ±12 | 400 / ±42 | 4000 / ±416 | 50/75 | 55 | 744 | 88 | 8000 / ±340 | LWB30-48S5-12 | |
| 5 / ±15 | 400 / ±33 | 4000 / ±333 | 50/75 | 55 | 744 | 88 | 8000 / ±220 | LWB30-48S5-15 | |
Notes
The LWB30 series can meet EN55022 Class A with parallel an external capacitor to the input pins. Recommend: 24 Vin : 4.7 μ F/50V X7R 1812 MLCC 48 Vin : 2.2 μ F/100V X7R 1812 MLCC.
An external input filter capacitor is required if the module has to meet EN61000-4-4. EN61000-4-5. The filter capacitor Polytron Devices: 24Vin Nippon chemi-con KY series, 330μ F/50V, ESR55mΩ 48Vin Nippon chemi-con KY series, 220μ F/100V, ESR48mΩ