300 Watts

•

Worldwide Medical Approvals

•

Single and Quad Outputs

•

Small Size - Only 7.50” x 4.50” x 1.75”

•

Power Fail Detect & Remote On/Off

•

Universal AC Input with Active PFC

•

High Reliability >300 kHrs MTBF

•

150 Watt Convection-cooled Rating

PBM300 Series

Input

Input Voltage

• 90-264 VAC

Input Frequency

• 47-63 Hz

Input Current

• 4.7 A rms at 115 VAC,

2.3 A rms for 230 VAC

Inrush Current

• 30 A at 115 VAC,

60 A at 230 VAC cold start +25 °C

Power Factor

• 0.98 typical

Earth Leakage Current

• 100 µA max at 115 VAC/60 Hz

220 µA max at 230 VAC/50 Hz

Input Protection

• Both line and neutral fused

Output

Output Voltage

• See table

Output Voltage Trim

• ±5% for outputs 1 & 2

Initial Set Accuracy

• ±2%

Minimum Load

• See table and note 5

Start Up Delay

• 2 s max

Start Up Rise Time

• 18 ms typical

Hold Up Time

• 12 ms min at full load and 110 VAC

Drift

• ±0.2%

Line Regulation

• ±0.2% max

Load Regulation

• See note 6

Transient Response

• 4% max deviation, recovery to within

1% in 500 µs for a 25% load change

Ripple & Noise

• 2% max pk-pk, 20 MHz BW, with a 22 µF

electrolytic & a 0.47 µF tantalum capacitor

Overvoltage Protection • 115-140% Vnom output 1 only, recycle

input to reset

Overtemperature

• Shutdown at +95 °C (singles) or +105 °C

Protection

(multi-outputs) with auto recovery,

measured internally

Overload Protection

• 140-200% typical, auto recovery

Short Circuit Protection • Trip and restart (Hiccup mode)

Temperature

• 0.04%/°C

Coefficient

Remote Sense

• Compensates for up to 0.5 V drop

Remote On/Off

• On = Logic low or open circuit

Off = Logic high

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General

Efficiency

• 70% typical

Isolation

• 4000 VAC Input to Output

1500 VAC Input to Ground

500 VAC Output to Ground

Switching Frequency

• 70 kHz ±10 kHz

Power Density

Power Fail Detect

• AC OK = TTL logic high

AC not OK = TTL logic low

MTBF

• 300 kHrs per MIL-HDBK-217F at +25 °C

Environmental

Operating Temperature • 0 °C to +70 °C, derate linearly from 100%

power at +50 °C to 50% power at +70 °C

Cooling

• ‘C’ versions have internal fan,

‘B’ versions are derated with convection

cooling or require 35 CFM (see note 4)

Operating Humidity

• up to 95% RH, non-condensing

Storage Temperature

• -40 °C to +85 °C

Operating Altitude

• 2500 m

Shock

• Half sine pulse. acceleration 50 g,

duration 11 ms, 3 shocks in each

direction, unpackaged, non-operating

Vibration

• Sinusoidal 10-50 Hz, amplitude 0.15 mm,

30 min/axis, unpackaged, non-operating

EMC & Safety

Emissions

• EN55011 and FCC Class B conducted

& radiated

Harmonic Currents

• EN61000-3-2

Voltage Flicker

• EN61000-3-3

ESD Immunity

• EN61000-4-2, level 3 Perf Criteria A

Radiated Immunity

• EN61000-4-3, level 3 Perf Criteria A

EFT/Burst

• EN61000-4-4, level 3 Perf Criteria A

Surge

• EN61000-4-5, level 3 Perf Criteria A

Conducted Immunity

• EN61000-4-6, 3 V Perf Criteria A

Dips & Interruptions

• EN61000-4-11, 30% 10 ms,

60% 100 ms, >95% 5000 ms,

Perf Criteria A, A, B

Safety Approvals

• EN60601-1, UL60601-1,

CSA22.2 No. 601-1 per cUL, CE Mark

Specification