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Description
Description
AC power laptop Modern switched-mode power supplies are smaller, lighter, and more efficient. They put out a much more constant voltage than unregulated supplies as the input voltage and the load current vary
Specifications
Input Specification | Electrical | Tests Environmental |
Voltage: 100-240VAC | Voltage Accuracy: ±3% | Hi-pot Test: 3750VAC, 60S, 5mA max |
Frequency: 50-60Hz | Current Accuracy: ±3% | Lightning surge: up to 1000V (accept 3000V) |
Output Specification | Efficiency:DOE,ERP | Leakage Current: 0.25mA max |
Voltage:5V | Securityprotection: SCP,OVP,OCP,OTP | Burn-in Test: rate load, 40±3℃, 4 hours |
Current:1A/1.5A | Turn On Time:15-30mS | Operating Temperature:0-40℃ |
Power:5W-7.5W | Burn-In Test：100% Full Load | Storage Humidity 5%-95%RH
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In early laptop computers, the power supply units were internal like in desktop computers. To facilitate portability by sparing physical space and reducing the weight, power supply units were externalized.
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