BWR-5/3-3.3/4.25-D24A-C Murata Power Solutions Inc, BWR-5/3-3.3/4.25-D24A-C Datasheet - Page 4

• Manufacturer Part Number: BWR-5/3-3.3/4.25-D24A-C
• Description: CONV DC/DC 5/3.3V 3/4.25A DIP
• Manufacturer: Murata Power Solutions Inc
• Series: BWRr
• Type: Isolatedr

Specifications of BWR-5/3-3.3/4.25-D24A-C

• Number Of Outputs: 2
• Output: 5V, 3.3V
• Power (watts): 30W
• Mounting Type: Through Hole
• Voltage - Input: 18 ~ 36V
• Package / Case: 10-DIP Module
• 1st Output: 5 VDC @ 3A
• 2nd Output: 3.3 VDC @ 4.25A
• Size / Dimension: 2.00" L x 2.00" W x 0.48" H (50.8mm x 50.8mm x 12.2mm)
• Power (watts) - Rated: 30W
• Operating Temperature: -40°C ~ 65°C
• Efficiency: 88%
• Approvals: cUL, EN, UL
• Output Power: 15 W
• Input Voltage Range: 18 V to 36 V
• Input Voltage (nominal): 24 V
• Output Voltage (channel 1): 5 V
• Output Current (channel 1): 3 A
• Output Voltage (channel 2): 3.3 V
• Output Current (channel 2): 4.25 A
• Isolation Voltage: 1.5 KV
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 811-1735-5

Trimming Output Voltages
These BWR converters have a trim capability (pins 3 & 4) that allow users
to independently adjust the output voltages ±5%. Adjustments to the output
voltages can be accomplished via a trim pot, Figure 2, or a single fixed resistor
as shown in Figures 3 and 4. A single fixed resistor can increase or decrease
the output voltage depending on its connection. Fixed resistors should have
absolute TCR's less than 100ppm/°C to minimize sensitivity to changes in
temperature.
(pin 5), see Figure 3, will decrease the +5V output voltage. A resistor con-
nected from the +5V Trim (pin 7) to the +5V Return (pin 6) will increase the
+5V output voltage. See Figure 4.
from the +3.3V Trim (pin 10) to the +3.3V Output (pin 9) or to the +3.3V Return
(pin 8). See Figures 3 and 4.
A single resistor connected from the 5V Trim pin (pin 7) to the +5V Output
Similarly, the 3.3V output can be adjusted using a single resistor connected
TECHNICAL NOTES
These are stress ratings. Exposure of devices to any of these conditions may adversely
affect long-term reliability. Proper operation under conditions other than those listed in
the Performance/Functional Specifications Table is not implied, nor recommended.
Input Voltage:
Input Reverse-Polarity Protection
Output Current
On/Off Control (Pins 3 & 4) Max. Voltages
Storage Temperature
Lead Temperature (Soldering, 10 sec.)
Continuous:
Transient (100msec): D12A Models
D12A Models
D24A Models
D48A Models
Referenced to –Input (pin 2)
D12A, D24A & D48A Models
"N" Models
1
2
3
4
+INPUT
–INPUT
+5V
ON/OFF
CONTROL
+3.3V
ON/OFF
CONTROL
Figure 2. Trim Connections Using A Trim Pot
D12A Models
D24A Models
D48A Models
D24A Models
D48A Models
Absolute Maximum Ratings
+3.3V RETURN
+3.3V OUTPUT
+5V RETURN
+5V OUTPUT
+3.3V TRIM
+5V TRIM
10
5
7
6
8
9
23 Volts
42 Volts
81 Volts
25 Volts
50 Volts
100 Volts
Input Current must be limited. 1 minute
duration. Fusing recommended.
6 Amps
4 Amps
2 Amps
Current limited. Devices can withstand
an indefinite output short circuit.
+V
±19V
–40 to +120°C
+300°C
IN
TURNS
TURNS
20k
20k
5-22
5-22
www.murata-ps.com
LOAD
+3.3V
LOAD
+5V
5V R
Figure 3. Trim Connections To Decrease Output Voltages Using Fixed Resistors
Figure 4. Trim Connections To Increase Output Voltages Using Fixed Resistors
Mixed Voltage, 5V and 3.3V, Independent Dual Output
5V R
35
30
25
20
15
10
Note: Resistor values are in k . Accuracy of adjustment is subject to
T
5
0
–40
DOWN
tolerances of resistors and factory-adjusted output accuracy.
Output Power vs. Ambient Temperature
(V
T
UP
IN
(k ) =
(k ) =
nominal, natural convection air flow.)
–10
1
2
3
4
1
2
3
4
Dual Output BWR Models
+INPUT
+INPUT
–INPUT
+5V
ON/OFF
CONTROL
+3.3V
ON/OFF
CONTROL
–INPUT
+5V
ON/OFF
CONTROL
+3.3V
ON/OFF
CONTROL
2.49(V
Typical Performance Curves
0
V
Technical enquiries email: [e-mail], tel:
6.27
5 – V
O
– 5
O
10
– 2.52)
V
O
O
= desired output voltage.
+3.3V RETURN
+3.3V OUTPUT
+3.3V RETURN
+3.3V OUTPUT
–15
+5V RETURN
+5V RETURN
+5V OUTPUT
+5V OUTPUT
20
+3.3V TRIM
+3.3V TRIM
Ambient Temperature ( C)
+5V TRIM
+5V TRIM
–15
30
3.3V R
D12A MODELS
10
10
5
6
7
8
9
5
6
7
8
9
3.3V R
40
30 Watt DC/DC Converters
3.3V R
3.3V R
5V R
5V R
T
DOWN
TRIM DOWN
TRIM DOWN
50
TRIM UP
T
TRIM UP
UP
(k ) =
MDC_BWR30.B02
(k ) =
60
+3.3V LOAD
+3.3V LOAD
+5V LOAD
+5V LOAD
2.49(V
3.3 – V
70
V
O
3.16
– 3.3
O
80
– 1.27)
D24A, D48A
MODELS
[phone]
O
–14.3
Page 4 of 6
90
–14.3
100