Specifications
INPUT SPECIFICATIONS:
3AB SERIES
Input Voltage Range........................................................................................................................................12V ...................................................................9-18V
24V .................................................................18-36V
48V .................................................................36-72V
Input Filter...................................................................................................................................................................................................................................Pi Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy.............................................................................................................................................................................................................± 2.0% max.
Voltage Balance (Dual).................................................................................................................................................................................................± 1.0% max.
Temperature Coefficient.................................................................................................................................................................................................± 0.05%/ ˚C
Ripple and Noise, 20MHz BW....................................................................................................................3.3V / 5V................................................100mV p-p max.
12V / 15V.......................................................1% p-p max.
Short Circuit Protection.....................................................................................................................................................................................................Continuous
Line Regulation, Single/Dual
1
....................................................................................................................................................................................................± 0.5%
Load Regulation, Single
2
............................................................................................................................................................................................................± 0.5%
Dual
3
.............................................................................................................................................................................................................± 1.0%
GENERAL SPECIFICATIONS:
Efficiency...............................................................................................................................................................................................................................See Table
Isolation Resistance..............................................................................................................................................................................................................10
9
ohms
Switching Frequency........................................................................................................................................................................................................100KHz, min
Operating Temperature Range................................................................................................................................................................................-25°C to + 71°C
Case Temperature (Plastic case).....................................................................................................................................................................................95˚C max.
(Copper case)..............................................................................................................................................................................100˚C max.
Cooling................................................................................................................................................................................................................Free-Air Convection
Storage Temperature Range..................................................................................................................................................................................-40°C to + 100°C
EMI / RFI...............................................................................................................................................................................Conductive EMI Meet EN55022 Class B
Dimensions .......................................................................................................................................................................................................1.25 x 0.8 x 0.5 inches
(31.8 x 20.3 x 12.7mm)
ISOLATION VOLTAGE:
500 VDC min.............................................................................................................................................................................................................Standard Models
3K VDC min................................................................................................................................................................................................................Suffix "H" Models
Standard Models 4..............................................................................................................................................................................Non-Conductive Black Plastic
Suffix "M" Models 5....................................................................................................................................................................................Black Coated Copper with
Non-Conductive Base
2. Measured From Full Load to 10% Load
4. Non-Conductive Black Plastic Only
6. Suffix "T" to the Model Number with Remote On/Off for "H" 3KVDC Isolation Only
CASE MATERIAL:
NOTE:
1. Measured From High Line to Low Line
3. Measured From Full Load to 1/4 Load
5. Suffix "HM" 1.5K VDC Instead of 3K VDC Isolation
CASE A
NOTE:Pin Size is 0.02” Inch (0.5m/m) DIA or .020 x .014 Inch
All Dimensions In Inches(mm)
Remote On/Off Control
Logic Compatibility
-On
-Off
Shutdown Idle Current
Input Resistance
Control Common
CMOS or Open Collector TTL
>+5.5 VDC or Open Circuit
<1.8 VDC
10mA
100K Ohms (Ein 0 VDC to 9VDC)
Referenced to Input Minus
0.08
(2.0)
24
23
22
1
2
3
SEE NOTE
PIN CONNECTION
Pin
1
2
3
5
9
10
11
12
13
14
15
16
22
23
24
500 VDC
Single
Output
+V Input
NC
NC
NP
NP
-V Output
+V Output
-V Input
-V Input
+V Output
-V Output
NP
NC
NC
+V Input
Dual
Output
+V Input
-V Output
Common
NP
NP
Common
+V Output
-V Input
-V Input
+V Output
Common
NP
Common
-V Output
+V Input
Pin
1
2
3
5
9
10
11
12
13
14
15
16
22
23
24
1.5K & 3K VDC
Single
Dual
Output
Output
NP
NP
-V Input
-V Input
-V Input
-V Input
NP (Remote On/Off)
Common
NC
NC
NC
-V Output
NC
NP
NP
NP
NP
+V Output
+V Output
NC
NC
Common
-V Output
+V Input
+V Input
+V Input
+V Input
NP
NP
BOTTOM
VIEW
1.25
(31.8)
0.10
(2.5)
16
15
14
13
9
10
11
12
0.15
(3.8)
0.40
(10.2)
0.60
(15.2)
0.80
(20.3
All Specifications Typical At Nominal Line, Full Load and 25˚C
Unless Otherwise Noted.
*NP-NO PIN
*NC-NO CONNECTION WITH PIN
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