Power Supply Requirements; Input Requirements; Output Requirements - IBM L170 Service Manual

4.3 Power Supply Requirements

4.3.1 Input Requirements

PARAMETER
Input Voltage 100 to 240VAC RMS
Input Frequency 60Hz @ 100VAC to 50Hz @
240VAC
Input Current Less than 2.0 Amps RMS
Less than 1.0 Amps RMS
Input Power Less than 75 Watts
Power factor > 0.5 Input voltage 120 VAC RMS ; 60
Hertz
Inrush Current Less than 30 A peak
Less than 50 A peak
Input Fusing Fuse should be located internal to the
adapter, easily accessible when the
cover is removed
Leakage Current Less than 3.5 mA
Hi-Pot Primary to secondary
Primary to Saft Ground

4.3.2 Output Requirements

PARAMETER
DC Out
Load Regulation
Dynamic Load
Regulation
Ripple & noise
Output current
protection
Leakage Current
RANGE
RANGE
12VDC ± 5%
12.0V(12.12V) ± 5%
Any frequency up to 250Hz(duty
50%)
170mVpp at 12VDC
less than 7.0A, more than 12.0A
at 12.0VDC
Less than 0.25 mA
Less than 0.5 mA
CONDITION
Universal input full range
Input voltage 100 VAC RMS ; 60 Hertz. Parameter
must be reached within 3 seconds of turn-on.
Input voltage 220 VAC RMS ; 50 Hertz. Parameter
must be reached within 3 seconds of turn-on.
Input voltage 100 VAC RMS ; 60 Hertz at all
Phase(0, 90, 180, 270 degree)
Input voltage 240 VAC RMS ; 50 Hertz at all
Phase(0, 90, 180, 270 degree)
Fuse must be UL/CSA approved. Fuse value must no
have to change for 115 VAC or 230 VAC operation
Input voltage 240 Volts RMS ; 50 Hertz
1.5KVAC for 1 Minute(leakage current 10mA)
1.8KVAC for 1 Minute(leakage current 10mA)
3.0KVAC for 1 Minute(leakage current 10mA)
without Y-cap & Coupling cap.
1.5KVAC for 1 Minute(leakage current 10mA)
1.8KVAC for 1 Minute(leakage current 10mA)
CONDITION
Min 0A Max 3.75A
11.4 to 12.6VDC
±5% for 10% to 100%, 100% to 10% load change for
+12Vdc
Input voltage : 100VAC at 60Hz 240VAC at 50Hz
* Ripple and noise are measured.
Current exceeds maximum rateing more than 20%
Input voltage 100 Volts RMS ; 50 Hertz
Input voltage 240 Volts RMS ; 50 Hertz
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IBM L170 Service Manual