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Emerson

SWG75-48S75C01J Datasheet Preview

SWG75-48S75C01J Datasheet

DC-DC / Low Power Isolated Industrial

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[ 2 YEAR WARRANTY ]
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.
SPECIFICATION All specifications are typical at nominal input, full load at 25°C unless otherwise stated
OUTPUT SPECIFICATIONS
Nominal voltage
75VAC
Voltage accuracy
No load
±3.0V
Load regulation
NL to FL resistive
±2.0%
Line regulation
Low line to high line
±2.0%
Load impedance
Resistive load (See Note 1)
75
Capacitive load (See Note 1) 82 bells
Output frequency
25Hz ±2Hz
Maximum output current
2.2A
Output ripple and noise Switching to 20MHz
5V pk-pk
Output ripple frequency Full load
180kHz, nominal
Total harmonic
distortion
Resistive load
5.0% max.
Output current
1.0A
DC offset
±2V max.
INPUT SPECIFICATIONS
Input voltage range
48VDC nominal
36 to 60VDC
Input current
3A max. @ 36VDC
Input filter
Pi network
Input undervoltage
(output clipped)
48VDC input model
34VDC max.
Reference input
impedance
Internal sine-wave
reference oscillator
Remote ON/OFF
Logic compatibility
Response time
(See Note 4)
Opto-isolated
control inputs
<100ms and start
from positive going
zero crossing
GENERAL SPECIFICATIONS
Efficiency
Resistive load
75% typ.
Isolation voltage
Input/output
Input/remote control
500VDC
500VDC
Isolation resistance
Input/output
1G
Switching frequency Fixed
90kHz, typical
Case material
Aluminium with plastic
non-conductive base
Material flammability
UL94V-0
Weight
(Including heatsink)
450g (15.8oz)
MTBF
MIL-HDBK-217F
@ 25°C nominal
input voltage
100,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating temperature
See curve
(ambient)
Non-operating
–40°C to +85°C
Relative humidity
Non-condensing
10% to 95% RH
Altitude
Operating
Non-operating
10,000 feet max.
30,000 feet max.
Vibration
5Hz to 500Hz
2.4G rms (approx.)
PAGE 176




Emerson

SWG75-48S75C01J Datasheet Preview

SWG75-48S75C01J Datasheet

DC-DC / Low Power Isolated Industrial

No Preview Available !

TELEPHONE RING GENERATORS | 75VA DC/AC
75VA
DC/AC ring generator
INPUT
VOLTAGE
48VDC
OUTPUT
VOLTAGE
75VAC
OUTPUT
FREQUENCY
25Hz
OUTPUT
CURRENT (RMS)
1A
PEAK OUTPUT
DC CURRENT (2)
480mA
TYPICAL
EFFICIENCY
78%
MODEL NUMBER (5)
SWG75-48S75C01
Notes
1 1 bell = 3kin series 1.2µF, 82 bells = 36in series 98µF.
2 Peak output DC current is the DC biased current flowing through the
output. Maximum duration is 1 second.
3 Metal case (pin 7) should either be tied to +INPUT (pin 4) or -INPUT (pin 3)
directly or through a capacitor (>10nF).
4 Remote pins are inputs of an opto-isolator, with an internal 3301/4W
resistor in series.
5 SWG75-48S75C01/P has the same input and output specifications except
the remote control logic is reversed.
PROTECTION
Short circuit protection
Short circuit input current
Overvoltage protection
Overcurrent protection
Undervoltage protection
Indefinite
48VDC, 80mA max.
None
2.2A peak bouncing mode
None
0.890
(22.606)
1.280
(32.512)
0.030
(0.762)
PIN DIA. TYP.
0.040 (1.016)
4.300
(109.220)
5.500
(139.700)
3.500 3.000
(88.900) (76.200)
BOTTOM
VIEW
ALL DIMENSIONS IN INCHES (mm)
0.220
(5.613)
0.625
(15.875)
0.375
(9.525)
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PIN CONNECTIONS
PIN NAME
FUNCTION
No Pin
-----
No Connection
No Connection
- Input
Negative Input
+ Input
Positive Input
No Connection
No Connection
No Connection
No Connection
FG (3)
Metal Case
No Connection
No Connection
Return
Output Common
75V Output
No Connection
No Connection
No Connection
No Connection
- Remote
Remote Return
+ Remote
Remote Input
MODEL
SWG75-48S75C01
SWG75-48S75C01/P (5)
IC
0mA
10 to 20mA
0mA
10 to 20mA
OUTPUT
ON
OFF
OFF
ON
Pin 14
330R 1/4W
Ic
Pin 13
6
Internal
sine
wave
reference
On
Remote Off
Control
T on
Output
T off
T on = 1 cycle max.
T off = 1 cycle max.
http://www.artesyn.com
PAGE 177


Part Number SWG75-48S75C01J
Description DC-DC / Low Power Isolated Industrial
Maker Emerson
Total Page 4 Pages
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