Powerex VLA106-24151 Data Sheet
VLA106-24151
111
A
D
B
G
H
G
F
C
E
+V
IN
–V
IN
8
9
10
V
O
NC
-V
O
XXXX
24151
FILTER FILTER
DRIVE
CIRCUIT
CONSTANT
VOLTAGE
CIRCUIT
OVER-CURRENT
PROTECTION
OPTOCOUPLER
11
3
1
2
9
10
100µF
50V
47µF
50V
V
IN
+
2
+
VLA106-24151
LOAD
3
8
11
1
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
Isolated
DC/DC Converter
Description:
VLA106-24151 is a DC-DC
converter. Its output power is
1.5W and the input is isolated
from the output. The over-current
protection circuit is built-in. This
device is used for on-board power
supplies in industrial control
equipment.
Features:
£ Input Voltage Range:
21.6 to 26.4V DC
£ Output: +15V, 100mA
(Output Power: 1.5W)
£ Thin Profile, Lightweight Design
£ Electrical Isolation Voltage
Test Circuit Diagram
Between Input and Output:
2500 V
for 1 Minute
rms
£ Built in Over-current Protection
Circuit
Outline Drawing and Circuit Diagram
Dimensions Inches Millimeters
A 1.3 33.0
B 0.945 24.0
C 0.71 18.0
D 1.0 25.4
E 0.22 5.5
F 0.53 13.5
G 0.18 4.5
H 0.10 2.54
Note: All dimensions listed are maximums except D.
Application:
On-board power supplies such as
industrial equipment and control
equipment.
1
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
OUTPUT CURRENT, IO, (mA)
EFFICIENCY, η, (%)
EFFICIENCY VS. OUTPUT CURRENT
CHARACTERISTICS
100
0 20 40 60 8
0 140100 120
80
60
40
20
0
OUTPUT CURRENT, IO, (mA)
OUTPUT VOLTAGE, V
O
, (VOLTS)
OUTPUT VOLTAGE VS. OUTPUT CURRENT
CHARACTERISTICS
18
0 8
040 6020 180120 160140100
14
12
10
16
8
6
4
2
0
INPUT VOLTAGE, V
IN
, (VOLTS)
EFFICIENCY, η, (%)
EFFICIENCY VS. INPUT VOLTAGE
CHARACTERISTICS
18 20 22 24 26 28
100
80
60
40
20
0
VIN = 24V
Ta = 25°C
Io = 100mA
Ta = 25°C
0 5 10 15 20 25 30 0 5 10 15 20 25 30
20
16
12
8
4
0
Io = 100mA
Ta = 25°C
INPUT VOLTAGE, V
IN
, (VOLTS)
OUTPUT VOLTAGE, V
O
, (VOLTS)
OUTPUT VOLTAGE VS. INPUT VOLTAGE
CHARACTERISTICS
INPUT VOLTAGE, V
IN
, (VOLTS)
INPUT CURRENT, I
IN
, (mA)
INPUT CURRENT VS. INPUT VOLTAGE
CHARACTERISTICS
300
240
180
120
60
0
Io = 100mA
Ta = 25°C
AMBIENT TEMPERATURE, (°C)
OUTPUT CURRENT, I
O
, (mA)
DERATING
CHARACTERISTICS
400
35
0
-10 3010 11050 70 90
30
0
25
0
200
15
0
10
0
50
0
VLA106-24151
Isolated DC/DC Converter
Absolute Maximum Ratings, Ta = 25°C unless otherwise specified
Characteristics Symbol VLA106-24151 Units
Input Voltage (Between Pins 8, 9, and 10, 11) V
IN
27 Volts
Output Current (Between Pins 3 and 1) IO 100 mA
Operating Temperature (No Condensation)* T
Storage Temperature (No Condensation) T
Input-Output Isolation Voltage (AC, 1 Minute) V
*Please refer to derating characteristics.
-10 ~ 70 °C
opr
-25 to 85 °C
stg
2500 V
ISO
rms
Electrical and Mechanical Characteristics, Ta = 25°C, VIN = 24V unless otherwise specified
Characteristics Symbol Test Conditions Min. Typ. Max. Units
Input Voltage VIN Recommended Range 21.6 24.0 26.4 Volts
Max Operating Range 18.0 — 26.4 Volts
Output Voltage VO IO = 0 ~ 100mA 14.25 15.0 15.75 Volts
Input Regulation R
Load Regulation R
Ripple Voltage V
Efficiency η IO = 100mA — 75 — %
IO = 0 ~ 100mA, VIN = 21.6 ~ 26.4V — — 75 mV
eg-I
IO = 0 ~ 100mA — — 750 mV
eg-L
IO = 100mA — — 120 mV
P-P
2
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