2
PWS740
SPECIFICATIONS
ELECTRICAL
At V
IN
= 15V, output load on each of 8 channels =
±
15mA, T
A
= +25
°
C, unless otherwise specified.
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
PWS740 SYSTEM
ISOLATION
Rated Voltage
Continuous, AC, 50/60Hz
Continuous, DC
10s, minimum
Measured from Pin 2 to Pin 5 of the PWS740-2
240VACrms, 60Hz Per Channel
1500
2121
VACrms
VDC
VACrms
|| pF
μ
A
Test Voltage
Impedance
Leakage Current
4000
10
12
|| 3
0.5
1.5
INPUT
Rated Voltage
Voltage Range
Current
15
VDC
VDC
mA
mA
mA
7
20
±
30mA Output Load on 8 Channels, V
IN
= 15V
Rated Output Load on 8 Channels, V
IN
= 15V
Full Output Load on 8 Channels, V
IN
= 15V with
π
Filter on Input
520
300
1
Current Ripple
OUTPUT
Rated Voltage
Voltage at Min Load
Voltage Range
V
vs Temp
Load Regulation
Tracking Regulation
Ripple Voltage
Noise Voltage
Current | +I
OUT
| + | –I
OUT
|
±
15mA Output Load on 8 Channels
±
1mA/Channel
±
15mA Output Load on Each Channel
±
15mA Output Load on Each Channel
±
3mA < Output Load <
±
30mA
V
/V
See Typical Performance Curves
See Theory of Operation
Each Channel
14
15
30
16
VDC
VDC
VDC
V/
°
C
V/mA
V/V
±
7
±
20
±
0.05
0.25
1.2
60
mA
TEMPERATURE
Specification
Operation
–25
–25
+85
+85
°
C
°
C
PWS740-1 OSCILLATOR/DRIVER
Frequency
Supply
Enable
V
IN
= 15V
350
7
2
0
400
15
470
20
V
S
0.8
kHz
V
V
V
Drivers On
Drivers Off
PWS740-2 ISOLATION TRANSFORMER
Isolation Test Voltage
10s, minimum
60s, minimum
Continuous
4000
1500
VACrms
VACrms
VACrms
|| pF
μ
A
μ
H
Rated Isolation Voltage
Isolation Impedance
Isolation Leakage
Primary Inductance
Winding Ratio
1500
10
12
|| 3
0.5
300
68/76
240VAC
1.5
400kHz, Pin 1 to Pin 5
Primary/Secondary
DIODE BRIDGE SPECIFICATIONS
Reverse Recovery
Reverse Breakdown
Reverse Current
Forward Voltage
I
F
= I
= 50mA
I
R
= 100
μ
A
V
= 40V
I
F
= 100mA
40
ns
V
μ
A
V
55
1.5
1.8
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.