3 Watt
Single and Dual Output
Regulated, 4:1 Wide Input Range
Extra small SMD or DIP package
Our 3 watt 4:1 wide input DSB(H)3 series DC-DC converter features continuous short circuit protection, no minimum load requirement and an extra small SMD or DIP package of 0.52" x 0.36" x 0.40". This series also features available 3000 Vdc input to output isolation and meets UL60950-1, EN60950-1 and IEC60950-1 safety standards.

INPUT
- Operating input voltage range
- 12 Vdc nominal input: 4.5 - 18 Vdc
- 24 Vdc nominal input: 9 - 36 Vdc
- 48 Vdc nominal input: 18 - 75 Vdc
- Start up time
- Constant resistive load
- Power up: 5 - 10 mS
- Remote On/Off: 5 - 10 mS
- Constant resistive load
- Input surge voltage, 1 sec. max.
- 12 Vdc nominal input: 25 Vdc
- 24 Vdc nominal input: 50 Vdc
- 48 Vdc nominal input: 100 Vdc
- Input filter: Capacitor type
- Input Reflected Ripple Current
- 12 Vdc nominal input: 20 mAp-p
- 24 Vdc nominal input: 20 mAp-p
- 48 Vdc nominal input: 20 mAp-p
- Remote On/Off: Control pin applied current via 1kΩ
- DC-DC ON: Open or high impedance
- DC-DC OFF: 2 - 4 Vdc
- Remote off input current: 2.5 Vdc
OUTPUT
- Voltage accuracy: ±1%
- Line regulation
- Low line to high line at full load: ±0.2%
- Load regulation
- No load to full load
- Single: ±1%
- Dual: ±1%
- 10% load to 90% load
- Single: ±0.5%
- Dual: ±0.8%
- No load to full load
- Cross regulation
- Asymmetrical load 25%/100%FL, Dual: ±5%
- Ripple and noise
- Measured by 20 MHz bandwidth: 50 mVp-p
- Temperature coefficient: 0.02%/°C
- Transient response recovery time: 500µs
- Short circuit protection: continuous automatics recovery
GENERAL
- Isolation voltage, 1 min.
- Standard: 1600 Vdc
- Suffix "H": 3000 Vdc
- Isolation resistance: 500 Vdc
- Isolation capacitance
- Standard: 50 pF
- Suffix "H": 50 pF
- Switching frequency: 100 kHz
- Design meets safety standards: UL60950-1, EN60950-1, IEC60950-1
ENVIRONMENTAL
- Operating ambient temperature
- Without derating: -40 to 71°C
- With derating: 71 to 105°C
- Storage temperature range: -55 to 125°C
- Thermal shock: MIL-STD-810F
- Vibration: MIL-STD-810F
- Relative humidity: 5 to 95% RH
PHYSICAL
- Dimensions: 0.52" x 0.36" x 0.40"
- Case material: Non-conductive, black, plastic
- Base material: Non-conductive, black, plastic
- Potting material: Silicone (UL94 V-0)
- Weight: 2.7 g (0.10 oz)
- MTBF: 5.672 x 106 hours, MIL-HDBK-217F, full load
EMC CHARACTERISTICS
- EMI
- Class A and B: EN55022
- ESD, EN61004-2, Perf. Criteria A
- Air: ±8kV
- Contact: ±6kV
- 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: 10Vr.m.s, Perf. Criteria A
Input Voltage (Vdc) |
Output Voltage (Vdc) |
Output Current at Full Load (mA) |
Input Current at No Load (mA) |
Efficiency % |
Model Number* | Maximum Capacitor Load µF |
Single Output | ||||||
4.5 - 18 | 3.3 | 700 | 35 | 76 | DSB(H)3-12S33 | 4700 |
5 | 600 | 40 | 80 | DSB(H)3-12S5 | 2530 | |
12 | 250 | 40 | 83 | DSB(H)3-12S12 | 1220 | |
15 | 200 | 40 | 84 | DSB(H)3-12S15 | 1000 | |
24 | 125 | 40 | 82 | DSB(H)3-12S24 | 470 | |
9 - 36 | 3.3 | 700 | 20 | 77 | DSB(H)3-24S33 | 4700 |
5 | 600 | 20 | 80 | DSB(H)3-24S5 | 2530 | |
12 | 250 | 25 | 83 | DSB(H)3-24S12 | 1220 | |
15 | 200 | 25 | 83 | DSB(H)3-24S15 | 1000 | |
24 | 125 | 25 | 82 | DSB(H)3-24S24 | 470 | |
18 - 75 | 3.3 | 700 | 12 | 77 | DSB(H)3-48S33 | 4700 |
5 | 600 | 12 | 80 | DSB(H)3-48S5 | 2530 | |
12 | 250 | 13 | 83 | DSB(H)3-48S12 | 1220 | |
15 | 200 | 14 | 83 | DSB(H)3-48S15 | 1000 | |
24 | 125 | 14 | 82 | DSB(H)3-48S24 | 470 | |
Dual Output | ||||||
4.5 - 18 | ±5 | ±300 | 40 | 80 | DSB(H)3-12-5 | ±1470 |
±12 | ±125 | 40 | 82 | DSB(H)3-12-12 | ±680 | |
±15 | ±100 | 40 | 82 | DSB(H)3-12-15 | ±470 | |
9 - 36 | ±5 | ±300 | 25 | 80 | DSB(H)3-24-5 | ±1470 |
±12 | ±125 | 25 | 82 | DSB(H)3-24-12 | ±680 | |
±15 | ±100 | 25 | 82 | DSB(H)3-24-15 | ±470 | |
18 - 75 | ±5 | ±300 | 14 | 80 | DSB(H)3-48-5 | ±1470 |
±12 | ±125 | 14 | 82 | DSB(H)3-48-12 | ±680 | |
±15 | ±100 | 14 | 82 | DSB(H)3-48-15 | ±470 |
* "DSB” prefix=SMD Type. For DIP type, use prefix “DSH” instead of “DSB".