This article provides specifications for power adapter P/N: E611640.

The Delta ADP-90LD H is a 90W universal AC-DC power adapter designed for laptops, industrial controllers, and other I.T.E. applications. It delivers 19.5V DC output with high efficiency, full protection features, and compliance with international safety standards.

1. Electrical Specifications

1.1 Input Characteristics

• Nominal Voltage: 120 ~ 240 VAC
• Input Voltage Range: 90 ~ 264 VAC
• Rated Frequency: 50 ~ 60 Hz
• Frequency Range: 47 ~ 63 Hz
• Current: Max 1.5 A RMS at 90 VAC; 0.8 A RMS at 180 VAC, max load
• Inrush Current (Cold Start): <150 a="A" at="at" vin="115/230" vac="VAC">
• AC Input Power: <160 90="90" w="W" at="at" max="max" load="load">
• No Load Power Consumption: Max 150 mW
• Average Efficiency: ≥ 89% (25%, 50%, 75%, 100% load, 115 & 230 VAC)
• Active PFC: PF ≥ 0.90 at full load (115/230 VAC, 60 Hz)

1.2 Output Characteristics

• Rated Voltage: 19.5 V DC
• Voltage Range: 18.5 ~ 20.5 V (0 ~ 4.62 A)
• Current: 0 ~ 4.62 A
• Peak Load Current: 4.62 A (90% duty, 36 s) to 5.64 A (10% duty, 4 s)
• Output Ripple & Noise: <600 10="10" 20="20" mvp-p="mVp-p" with="with" mhz="MHz" caps="caps" at="at">
• Switch-on Time: <3 90="90" s="s" at="at" max="max" load="load" and="and" vac="VAC" input="input">
• Rise Time: 2 ~ 100 ms (10% → 90% output voltage, max load, 90 VAC)
• Fall Time: 0 ~ 400 ms (90% → 10% output voltage, max load, 90 VAC)
• Protection:
  • Over Voltage Protection (OVP): Latches at 21.6 ~ 25 V
  • Short Circuit Protection (SCP): Latches, no damage
  • Over Current Protection (OCP): Limited to 5.7 ~ 9 A
  • Over Thermal Protection (OTP): Latches; reset by AC, trip point 110 ~ 120°C
• Dynamic Load Change: 0.05 A → 100% load, slew rate 2.5 A/µs, 100 Hz ~ 10 kHz, voltage overshoot/undershoot <1.5 v="V">
• Overshoot/Undershoot: Monotonic during power-on/off; max overshoot 21.5 V
• System Capacitive Load: 100 μF, live plug-in does not shut down adapter
• Brown Out: Triggered <40 vac="VAC" at="at" max="max" load="load">

2. Environmental Specifications

• Operating Temperature: 0 ~ 40 °C
• Storage Temperature: -40 ~ 70 °C
• Operating Humidity: ≤ 95% RH
• Storage Humidity: ≤ 95% RH (non-condensing)
• Operating Altitude: Up to 5000 m (16,400 ft)
• Storage Altitude: Up to 10,700 m (35,000 ft)
• Leakage Current: <50 50="50" 240="240" hz="Hz">
• Cooling: Natural air convection

3. Electromagnetic Compatibility

• Conducted Emissions: CISPR 32 Class B
• Radiated Emissions: CISPR 32 Class B
• Common Mode Noise: 10 kHz ~ 400 kHz, <400 mvrms="mVrms">
• Electric Fast Transients: IEC1000-4-4 Level 3, normal operation, no failures
• Lightning Surge: IEC1000-4-5 Level 3, normal operation, no failures
• Electrostatic Discharge: IEC1000-4-2, contact ±8 kV, air ±15 kV, Criteria C: temporary degradation acceptable, no failures

4. Insulation and Safety Tests

• Insulation Resistance: ≥ 30 MΩ @ 500 VDC between AC input and secondary for 1 minute
• Dielectric Strength (Hi-Pot): AC 3 kV, 1 min; cutoff current <10 ma="mA">
• Case Surface Temperature Rise: ΔT ≤ 50°C at full load, 100/240 VAC input, placed on wood surface