Powerex VLA313-2450A Data Sheet
VLA313-2450A
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
OUTLINE DRAWING
A
DE
E
TB1
F
B
TB2
G
CONNECTOR
Parts No. Polarity
TB1 (OT-047 M3, OSADA) +V
TB2 (OT-047 M3, OSADA) -V
CN2 (B2P-VH, JST) 1 +V
2 -V
IN
IN
O
O
V
IN
1
2
CN2
H C
J
TEST CIRCUIT DIAGRAM
I
O
+ +
VLA313-2450A
− −
A
V
V
O
LOAD
Isolated
DC-DC Converter
Description:
VLA313-2450A is an isolated DC-DC
converter designed for industrial equipment.
It is designed to convert a rectified line
voltage ranging from 400 to 900V DC into
24V DC. Total output power is 50W.
Features:
£ Input Voltage Range:
400V to 900V DC
£ Output: +24V, 2.1A
(Output Power: 50.4W)
£ Electrical Isolation Voltage
Between Input and Output:
2500 V
£ Over-current Protection
(Auto Resume)
for 1 Minute
rms
BLOCK DIAGRAM
+V
IN
−V
IN
GATE
POWER
HIGH SIDE
DRIVE
LOW SIDE
DRIVE
Outline Drawing and Circuit Diagram
Dimensions Inches Millimeters
A 4.53±0.012 115.0±0.3
B 2.76±0.012 70.0±0.3
C 1.42 Max. 36.0 Max.
D 4.13±0.012 105.0±0.3
E 0.2 5.0
RECTIFIER
CONTROL
POWER
CURRENT
SENSING
CONTROL
+
FG
MAIN
Dimensions Inches Millimeters
F 2.36±0.012 60.0±0.3
G 0.14 Dia. 3.5 Dia.
H 1.26 Max. 32.0 Max.
J 0.12 Max. 3.0 Max.
Application:
On-board pre-regulator for
+V
O
−V
O
industrial control equipment.
108/11 Rev. 0
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com
VLA313-2450A
Isolated DC-DC Converter
Absolute Maximum Ratings, Ta = 25°C unless otherwise specied
Characteristics Symbol VLA313-2450A Units
Input Voltage V
IN
900 Volts
Output Current IO 2.1 A
Operating Temperature (No Condensation)*1 T
Storage Temperature (No Condensation) T
Electrtical Isolation Voltage (Between Input and Output, Sine Wave Voltage, 60Hz, 1 Minute) V
Electrical Isolation Voltage (Between Output and FG, Sine Wave Voltage, 60Hz, 1 Minute) V
-20 ~ +55 °C
opr
-20 ~ +75 °C
stg
2500 V
ISO
2500 V
ISO
rms
rms
Electrical and Mechanical Characteristics, Ta = 25°C, VIN = 680V unless otherwise noted
Characteristics Symbol Test Conditions Min. Typ. Max. Units
Input Voltage VIN Recommended Range 400 680 900 Volts
Output Voltage VO IO = 0.2 ~ 2.1A 22.8 24.0 25.2 Volts
Input Regulation R
Load Regulation R
Ripple Voltage V
Efficiency h IO = 2.1A — 82 — %
*1 Please refer to de-rating characteristics.
*2 Not including spike noise.
IO = 2.1A, VIN = 400 ~ 900V — — 100 mV
eg-I
IO = 0.2 ~ 2.1A — — 150 mV
eg-L
IO = 2.1A*2 — — 240 mV
P-P
DE-RATING
CHARACTERISTICS
120
100
80
60
40
VIN = 400V
= 680V
20
OUTPUT CURRENT DE-RATING, (%)
V
IN
= 900V
V
IN
0
-20 0 8020 40 60
AMBIENT TEMPERATURE, (°C)
EFFICIENCY VS. INPUT VOLTAGE
CHARACTERISTICS
100
90
80
70
60
50
40
EFFICIENCY, η, (%)
30
20
10
0
400 500 600
INPUT VOLTAGE, VIN, (VOLTS)
IO = 2.1A
800
700 900
OUTPUT VOLTAGE VS. OUTPUT CURRENT
30
CHARACTERISTICS
VIN = 680V
25
20
, (VOLTS)
O
15
10
OUTPUT VOLTAGE, V
5
EFFICIENCY VS. OUTPUT CURRENT
CHARACTERISTICS
100
90
80
70
60
50
40
EFFICIENCY, η, (%)
30
20
10
0
0 2.01.0 1.50.5 3.52.5 3.0
OUTPUT CURRENT, IO, (mA)
OUTPUT VOLTAGE VS. INPUT VOLTAGE
CHARACTERISTICS
30
27
24
21
, (VOLTS)
O
18
15
12
9
6
OUTPUT VOLTAGE, V
3
0
0 200 400 600 800 1000 0 200 400 600 800 1000
INPUT VOLTAGE, VIN, (VOLTS)
RL = 11.4Ω (IO = 2.1A)
= 15.0Ω (IO = 1.6A)
R
L
= 24.0Ω (IO = 1.0A)
R
L
0
0 0.3 0.6 0.9 2.41.8 2.11.51.2
OUTPUT CURRENT, IO, (mA)
INPUT CURRENT VS. INPUT VOLTAGE
CHARACTERISTICS
0.18
0.16
0.14
, (A)
0.12
IN
0.10
0.08
0.06
INPUT CURRENT, I
0.04
0.02
0
INPUT VOLTAGE, VIN, (VOLTS)
RL = 11.4Ω (IO = 2.1A)
= 15.0Ω (IO = 1.6A)
R
L
= 24.0Ω (IO = 1.0A)
R
L
VIN = 400V
= 680V
V
IN
= 900V
V
IN
2 08/11 Rev. 0
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