bwr-5-3-3.3-4.25-d12a C&D Technologies., bwr-5-3-3.3-4.25-d12a Datasheet - Page 3

• Manufacturer Part Number: bwr-5-3-3.3-4.25-d12a
• Description: Mixed Voltage, 5v And 3.3v, Independent Dual Output 30 Watt Dc/dc Converters
• Manufacturer: C&D Technologies.

Performance/Functional Specifications
Typical @ T
Input Voltage Range:
Overvoltage Shutdown:
Start-Up Threshold:
Undervoltage Shutdown:
Input Current:
Input Reflected Ripple Current:
Internal Input Filter Type
Reverse-Polarity Protection:
On/Off Control (Pins 3 & 4): ➂ ➄
V
Minimum Loading Per Specification
Minimum Loading For Stability ➆
Ripple/Noise (20MHz BW) ➃
Line/Load Regulation
Efficiency
Trim Range ➁
Isolation Voltage:
Isolation Resistance
Isolation Capacitance
Current Limit Inception:
Short Circuit Current:
OUT
D12A Models
D24A Models
D48A Models
D12A Models
D24A Models
D48A Models
D12A Models
D24A Models
D48A Models
D12A Models
D24A Models
D48A Models
Normal Operating Conditions
Standby Mode:
Source Impedance
D12A Models
D24A Models
D48A Models
D12A, D24A & D48A Models
"N" Suffix Models ➇
5V Output
3.3V Output
Input-to-Output
5V @ 98.5% V
3.3V @ 98.5% V
5V Output
3.3V Output
Off, OV, UV, Thermal Shutdown
D12A Models
D24A/D48A Models
Accuracy
A
= +25°C under nominal line voltage, balanced "full-load" conditions, unless noted.
OUT
OUT
Output
Input
10-18 Volts (12V nominal)
18-36 Volts (24V nominal)
36-75 Volts (48V nominal)
18.5-21 Volts (20V nominal)
37-40 Volts (38V typical)
77-81 Volts (79V typical)
9.4-10 Volts (9.6V typical)
16.5-18 Volts (17V typical)
34-36 Volts (35V typical)
7-8.5 Volts (8V typical)
16-17.5 Volts (16.5V typical)
32.5-34.5 Volts (33.5V typical)
See Ordering Guide
10mA typical
<0.1Ω, no external input filtering
TBD
TBD
Pi (0.022µF - 4.7µH - 2.46µF)
1 minute duration, 6A maximum
1 minute duration, 4A maximum
1 minute duration, 2A maximum
On = open or 13V to +V
I
Off = 0-0.8V, I
On = 0-1.2V, I
Off = open.
±1.5% maximum
±1.5% maximum
10% of I
No load
See Ordering Guide
See Ordering Guide
See Ordering Guide
±5%
1500Vdc minimum
100MΩ
470pF
3.8-5.1 Amps
5.4-6.8 Amps
3.0 Amps average current
3.0 Amps average current
IN
= 1.6mA @ 13V
OUT
www.murata-ps.com
maximum
IN
IN
= 2mA @ 0V
= 2mA @ 0V
IN
,
➀
Mixed Voltage, 5V and 3.3V, Independent Dual Output
Overvoltage Protection:
Maximum Capacitive Loading
Temperature Coefficient
Dynamic Load Response:
Start-Up Time: ➁
Switching Frequency
MTBF ➅
Operating Temperature (Ambient): ➁
Case Temperature:
Storage Temperature
Dimensions
Case Material
Pin Material
Weight:
Primary to Secondary Insulation Level Operational
➀ All models are specified with external 0.47µF ceramic output capacitors.
➁ See Technical Notes/Graphs for details.
➂ Applying a voltage to On/Off Control (pins 3 & 4) when no input power is applied to the
➃ Output noise may be further reduced with the installation of additional external output
➄ On/Off control is designed to be driven with open collector or by appropriate voltage levels.
➅ Demonstrated MTBF available on request.
➆ For conditions with less than minimum loading, outputs remain stable. However, regulation
➇ Maximum applied voltage to On/Off pin (N suffix) less than 19.0V.
Without Derating:
With Derating
5V Output
3.3V Output
D12A Models 3.3V
D24A, D48A Models 3.3V
5V (50-100% load step to 1% V
3.3V (50-100% load step to 1% V
V
On/Off to V
D12A Models
D24A Models
D48A Models
Maximum Operational
For Thermal Shutdown
converter can cause permanent damage.
capacitors. See Technical Notes.
Voltages must be referenced to the –Input (pin 2).
performance will degrade.
IN
D12A Models
D24A & D48A Models
to V
OUT
OUT
Dual Output BWR Models
5V
Technical enquiries email: [e-mail], tel:
5V
Dynamic Characteristics
Output (continued)
OUT
Environmental
OUT
)
Physical
)
Magnetic feedback, transorb
6.0 Volts
4.1 Volts
1000µF
680µF
1000µF
680µF
±0.02% per °C
200µsec maximum
200µsec maximum
10ms
TBD
355kHz (±35kHz)
Bellcore, ground fixed, full power
25°C ambient
873.9 thousand hours
1.32 million hours
1.23 million hours
–40 to +60°C
–40 to +65°C
To +100°C (See Derating Curves)
+100°C
+100°C minimum, +110°C maximum
–40 to +120°C
2" x 2" x 0.5" (50.8 x 50.8 x 12.7mm)
Diallyl phthalate, UL94V-0 rated
Gold-plated copper alloy
2.7 ounces (76.5 grams)
30 Watt DC/DC Converters
MDC_BWR30.B02
[phone]
Page 3 of 6