SWG75 SERIES
DC/AC single output ring generator
•
•
•
•
•
•
•
•
•
Provides 75VA of ringer output power
Typical efficiency 78%
Short circuit protection
Operating temperature up to 70°C
Internal sine wave reference
Remote ON/OFF control
Opto-isolated cadencing ON/OFF control
Peak output DC biased current capability
Stand-offs for optional heatsink mounting
The SWG75 ring current generator series of DC/AC inverters offer 75VA of
output power with industry standard footprints and configurations. The design
is specifically tailored for PABX system applications to ensure ease of
implementation in customer applications. These special features include
cadencing output ON/OFF, peak output DC biased current capability at off-hook
transition.
[ 2 YEAR WARRANTY ]
SPECIFICATION
OUTPUT SPECIFICATIONS
Nominal voltage
Voltage accuracy
Load regulation
Line regulation
Load impedance
Output frequency
Maximum output current
No load
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
GENERAL SPECIFICATIONS
75VAC
±3.0V
±2.0%
±2.0%
75Ω
82 bells
Isolation resistance
Switching frequency
Case material
Material flammability
Weight
MTBF
(Including heatsink)
MIL-HDBK-217F
@ 25°C nominal
input voltage
Efficiency
Isolation voltage
Resistive load
Input/output
Input/remote control
Input/output
Fixed
75% typ.
500VDC
500VDC
1GΩ
90kHz, typical
Aluminium with plastic
non-conductive base
UL94V-0
450g (15.8oz)
100,000 hours
NL to FL resistive
Low line to high line
Resistive load (See Note 1)
Capacitive load (See Note 1)
25Hz ±2Hz
2.2A
5V pk-pk
180kHz, nominal
5.0% max.
1.0A
±2V max.
Relative humidity
36 to 60VDC
3A max. @ 36VDC
Pi network
48VDC input model
34VDC max.
Internal sine-wave
reference oscillator
(See Note 4)
Opto-isolated
control inputs
<100ms and start
from positive going
zero crossing
Vibration
Altitude
Output ripple and noise Switching to 20MHz
Output ripple frequency Full load
Total harmonic
distortion
Output current
DC offset
INPUT SPECIFICATIONS
Input voltage range
Input current
Input filter
Input undervoltage
(output clipped)
Reference input
impedance
Remote ON/OFF
Logic compatibility
Response time
48VDC nominal
Resistive load
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating temperature
See curve
(ambient)
Non-operating
–40°C to +85°C
Non-condensing
Operating
Non-operating
5Hz to 500Hz
10% to 95% RH
10,000 feet max.
30,000 feet max.
2.4G rms (approx.)
PAGE 176
ARTESYN [ ARTESYN TECHNOLOGIES ]
