S T A N D A R D D C / D C C O N V E R T E R S
62
Input Characteristics
Input Voltage Range:
36-75 VDC
Input Under Voltage Shutdown
33 VDC
Input Filtering:
L-C Network
Efficiency:
See Available Models Chart
No Load Input Current:
10mA
Output Characteristics
Output Voltage Accuracy:
+/-1%
Total Error Band:
+/-2% Max. (Singles), +/-3% Max. (Duals)
Voltage Balance:
+/-2%, Dual Output Models only
Minimum Load Requirements:
0% (Single Output), 10% (Dual Output)
Line Regulation:
+/-0.5% Low Line to High Line
Load Regulation:
+/-0.5% (Singles), +/-1.0% (Duals)
Min Load to Full Load
Ripple and Noise:
50mV or 1% pk-pk, 20MHz Bandwidth
Transient Response/Recovery Time:
200S, 25% Load Step
Temperature Coefficient:
+/-0.02% / C
Short Circuit Protection:
Continuous (Hiccup Mode)
Over Voltage Protection:
Standard
Environmental Characteristics
Operating Temperature Range (Ambient):
-40C to +85C, See 1500LN Series Data
Sheet for Derating curves.
Storage Temperature Range:
-55C to +125C
Maximum Case Temperature:
105C Baseplate
Humidity:
Up to 95%, Non-condensing
Vibration
5Grms, 5Hz to 2KHz
Reliability (MTBF per Mil-HDBK-217F):
>1.46 million hours, +25C, Ground Benign
Demonstrated MTBF:
>5 million hours at +40C
General Characteristics
Switching Frequency:
400KHz, Fixed
Isolation (Input to Output):
1500VDC minimum (1 minute)
Isolation Capacitance:
1200pF
Weight:
0.57 oz (16g)
Case Material:
Aluminum baseplate with black anodized
aluminum case
Agency Approvals
UL, CSA, TUV and CE (LVD, 48 Vin Models)
Key Features:
Lucent
TM
LW010 and
LW015 compatible
Unencapsulated
construction
Single & Dual Output
Models
Industry Standard 1" x
2" x 0.375" Footprint
Ideally Suited For:
Telecom equipment
Mixed analog/digital
subsystems
Distributed power
networks
1500LN series
8 to 15 watts
All specifications are typical at 25 degrees C with nominal input voltage and full output unless
otherwise noted. Specifications are subject to change without notice. All dimensions are typical.
63
Available Models
Input
Nominal
Voltage
Output
Max. Output
Model
Input Voltage
Range
Voltage
Current
Efficiency @
(VDC)
(VDC)
(VDC)
(mA)
Full-Load (%)
1502V0S48LN
48
36-75
2.0
4000
74
1503V3S48LN
48
36-75
3.3
3500
81
1505S48LN
48
36-75
5.0
3000
84
1512S48LN
48
36-75
12.0
1250
88
1515S48LN
48
36-75
15.0
1000
90
1505D48LN
48
36-75
+/-5.0
+/-1800*
84
1512D48LN
48
36-75
+/-12.0
+/-750*
87
1515D48LN
48
36-75
+/-15.0
+/-600*
88
*Total output power not to exceed 15W
Outline Drawing
Pinout Chart
* For Negative logic, Add "-1" suffix
For Positive logic, Add "-4" suffix
** Optional, for output trim, Add "-9" suffix
Pin
Single
Duals
1
+Vin
+Vin
2
-Vin
-Vin
3
+Vout
+Vout
4
**Trim
COMMON
5
-Vout
-Vout
6
*REMOTE ON/OFF *REMOTE ON/OFF
Additional Features
Remote Shutdown (Designated by optional "-R" suffix)
Supply On:
Open or >3.5 VDC
Supply Off:
<0.8 VDC
Negative Logic enable, use "-1" suffix
Positive Logic enable, use "-4" suffix
Output Voltage Trim feature, use a "-9" suffix
1.00
25.40
0.40
10.16
2.00
50.80
0.60
15.20
0.38
9.53
0.02
0.51
0.14
3.43
0.10
2.50
VENT SLOTS ARE
TYP. FOR TWO
LONG SIDES ONLY
0.80
20.32
0.30
7.62
0.20
5.08
PIN DIA 0.04
(1.02) (TYP 7 PLCS
0.40
10.16
0.40
10.16
3
4
5
1
2
6
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