JHT01 Service Manual
4-2
2.1 JHT01 Adapter Description
This specification defines the performance and characteristic of 65W AC adapter
power supply. It supplies a constant voltage 19V output source for JHT01 series
notebook computer.
2.2 Feature
• Accepts universal input from 90V AC to 264V AC
•
Offers constant Voltage 19V output source with 90W max output power
capacity.
• High efficiency 83% min at 100Vac
•
Compact Size
2.3 Adapter Electrical Specification
• Input Voltage range: universal input, 100VAC to 264VAC
•
Inrush current: 220A max peak at 240Vac and No damage
• Input frequency range: 47~63Hz
•
Input Current: 1.7Amax at 100 VAC
• Start-up time: ≤5sec Max. @115V and 230 Vac, full load
• HOLD-UP time: >5ms@115VAC
, full load condition
• OVP: 29V max. Automatic shut down
• Short circuit protection: Output can be shorted without damage, and auto
recovery.
• OUTPUT Voltage Regulation: 18.5-20V including the effects of line Voltage
variation, load current, ripple and noise
• OUTPUT Current: Current: 0Amin, 3.42Amax continuous
• OUTPUT Voltage ripple: 380mv PK-PK for resistor load.
• OUTPUT Voltage Dynamic regulation: Output voltage within 18.5-20V, load
current 10%
←→
100%, frequency 100Hz, 50% duty cycle, recover
time≤1msec.
• DC OUTPUT PIN OUT:
PIN1
Center Pin Adapter +output
PIN2 Barrel (Ring) Adapter returns.
• Temperature Range:
Operating temperature: 0 °C to 40 °C
Storage temperature: -20 °C to 65 °C