1. SCOPE This specification defines the performance characteristics

1. SCOPE
This specification defines the performance characteristics of a grounder,single phase,
34 Watt,1 outputs power supply.This specification also defines worldwide safety and
electromagnetic compatibility requirements for the power supply which is intended for use
move disk products.
2.INPUT REQUIREMENTS
2.1.1NPUT VOLTAGE
Range
Minimum
Maximum
Nominal
Low
100
Vac
132
Vac
110-120
Vac
High
180
Vac
264
Vac
200-240
Vac
2.2
.FREQUENCY
Range
Minimum
Maximum
Single
47
63
Hz
Nominal
Hz
50/60
Hz
2.3.
VOLTAGE SELECTION
A full range will be provided to select the appropriate range.
2.4.INPRU CURRENT
1.5 amps maximum at input voltage within the low range as specified in paragraph 2.1and at
any combination of loading conditions.
1 amps maximum at input voltage within the high range as specified in paragraph2.1 and at
any combination of loading conditions.
3.OUTPUT REQUIREMENTS
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3.1.STATIC DC LOAD
Nominal voltage(Vdc)
12V,5V
Approved by:
Load current(A)
MIN.
MAX.
0
2A
Checked by:
Draw by:
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Regulation voltage(V)
12V± 5%,5V± 5%
3.2. RIPPLE AND NOISE
The ripple and noise of the outputs shall be measured at the load end of the output cables when terminated to
a load impedance as specified in paragraph3.3
Output
Ripple&noise(P-P)
Use 20M Hz bandwidth frequency scope
12V 5V
Vdc
100
3.3.
LOAD
mV
IMPEDANCE
Filter capacitors are connected to each pins of the mating output connector .Capacltance vaues and
material type are listed below.
Voltage Nom.(V dc)
Capacitance Nom(µF)
Material type
12V 5V
10/0.1
TAN\MON
4.PROTECTION
4.1SHORT CIRCUIT PROTECTION
A short circuit place on DC output shall cause no damage to or shutting down the power supply, The power
supply will recover automatically after removal of the short circult fault.Power on reset is not required.
5.D I E L E C T R I C S T R A N G T H
P r i m a r y t o s e c o n d a r y : P r i m a r y t o s e c o n d a r y 1 5 0 0 V a c f o r 1 m i n , C u t o f f c u r r e n t s h a ll b e l e s s t h a n 1 0 M A ,
T e s t ti m e 1 s e c i n p r o d u c t i o n li n e.(E N 6 0 9 5 0)
6.DROP
The power supply unit shall successfully comply with the following drop test requirement:
6 random drops from a height of 100cm into concrete covered with 1/8 inch asphalt tile or similar
NO.impairment of normal function,breaking away of any parts or change that would render power supply unit
potentially harmful shall occur.
Approved by:
Checked by:
Draw by:
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7.SAFETY REQUIREMENTS
The power supply must comply with the following national standards:
〇 U L s t a n d a r d:
E n60950
〇 C E st a n d a r d:
E n60950
8.ENVIRONMENT
8.1.OPERATING
Temperature: 25 degrees centigrade.
Relative Humidity:30 to 85 percent,non-condensing.
8.2. SHIPPING AND STORAGE
Temperature: 0 to +75 degrees centigrade.
Relative Humidity: 0 to 95 percent,non-condensing.
9.NET WEIGHT:220gs
10． PRODUCTION FACTORY
C.SA ELECTRICAL FACTORY
11． PRODUCTION COUNTRY
CHINA
Approved by:
Checked by:
Draw by:
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