TECHNICAL DATASHEET
LANC485.1W12
Technical Specifications
All specifications are based on 25 C, Nominal Input Voltage and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
Related condition
Min
Nom
Max
Unit
Switching Frequency
Test at nominal Vin and full load
400
kHz
INPUT (V
in
)
Operating Voltage Range
36
48
75
Vdc
Input Voltage (Continuous)
80
Vdc
Input Voltage (Transient 100ms)
100
Vdc
UVLO Turn-on Threshold
36
Vdc
UVLO Turn-off Threshold
33
Vdc
Input Standby Current
Nominal Vin and No Load
23
mA
Input Voltage Variation
Complies with EST300 132 part 4.4
5
V/ms
Input Current
Nominal Vin and Full Load
307
mA
5 to 20MHz, 12µH source impedance
Reflected Ripple Current
20
mA
pk-pk
(See the Test Setup section - pg 8)
Test at nominal Vin and full load
87
%
EFFICIENCY
(See the Test Setup section – pg 8)
OUTPUT (V
o
)
Operating Output Range
Nominal Vin and Full Load
5.0388
5.1
5.1612 Vdc
Load Regulation (DIP Type)
0% to 100% Full Load
-0.5
+0.5
%
Load Regulation (SMT Type)
0% to 100% Full Load
-1.0
+1.0
%
Line Regulation
LL to HL at Full Load
-0.2
+0.2
%
5Hz to 20MHz bandwidth
Output Ripple & Noise
85
mV
pk-pk
(See the Test Setup section - pg 8)
Output Current
0
2.4
A
Output Voltage Overshoot
LL to HL at Full Load
0
3
% Vout
Over Voltage Protection
Zener diode clamp
6.2
Vdc
Over Current Protection
150
% FL
Short Circuit Protection
Continuous, automatic recovery
Test at nominal Vin
DYNAMIC LOAD RESPONSE
Peak Deviation
Load step change from 75 to 100% or 100 to 75 % of FL
200
mV
Setting Time (Vout < 10% peak deviation)
250
µs
The ON/OFF pin voltage is referenced to -Vin
REMOTE ON/OFF
(See the Remote ON/OFF Control section - pg 5)
ON/OFF pin High Voltage (Remote ON)
3.0
12
Vdc
ON/OFF pin Low Voltage (Remote OFF)
0
1.2
Vdc
ON/OFF pin Low Voltage, input current
2.5
mA
Test at nominal Vin and constant resistive load
START UP TIME
Power Up
450
ms
Remote ON/OFF
5
ms
ISOLATION
Isolation Voltage (Input-Output)
1600
Vdc
Isolation Voltage (Output to Case–DIP Type)
1600
Vdc
Isolation Voltage (Output to Case–SMT Type)
1000
Vdc
Isolation Voltage (Input to Case - DIP Type)
1600
Vdc
Isolation Voltage (Input to Case - SMT Type)
1000
Vdc
Isolation Resistance
1
GΩ
Isolation Capacitance
1200 pF
ENVIRONMENTAL
o
Operating Ambient Temperature (w/ derating)
-40
85
C
o
Operating Case Temperature
100
C
o
Storage Temperature
-55
105
C
Temperature Coefficient
-0.02
+0.02 % /
o
C
See the MTBF and Reliability section (pg 13)
MTBF
Bellcore TR-NWT-000332, T
C
=40°C
2,750,000
hours
MIL-STD-217F
1,080,000
hours
MECHANICAL
See Figure 1
Weight
18.0
grams
Dimensions
1.25 x 0.8 x 0.450
inches
o
Model No. LANC485.1W12
(888) 597-WALL
www.wallindustries.com
Page 2 of 14
WALL [ WALL INDUSTRIES,INC. ]
