54
STANDARD DC/DC CONVERTERS
300WFR series
2 to 3 watts
Key Features:
• Single & Dual Output
Models
• 2:1 Input Voltage range
• Low Profile, 24 pin DIP
package
• Industry Standard
Pinout
Input Characteristics
Input Voltage Range:
Input Filtering:
Efficiency:
No Load Input Current:
4.5-9, 9-18, 18-36, 36-72 VDC
Pi Filter
See Available Models Chart
See Available Models Chart
Ideally Suited For:
• Telecom equipment
• Mixed analog/digital
subsystems
• Data Communications
Output Characteristics
Output Voltage Accuracy:
Output Voltage Balance:
Total Error Band:
Minimum Load Requirements:
Line Regulation:
Load Regulation:
Ripple and Noise:
Over Line, Load & Temperature:
Transient Response/Recovery Time:
Temperature Coefficient:
Short Circuit Protection:
+/-1% max
+/-1% Max, Dual Output Models
+/-2% Max (Singles), +/-3% (Duals)
10% of Full Load
+/-0.5% Max (Singles & Duals)
+/-0.5% Max (Singles & Duals)
60mV pk-pk, 20MHz Bandwidth
100mV pk-pk Max, 20MHz Bandwidth
+/-5%, 500µS Max., 50% Load Step
+/-0.02%/ºC
Continuous; Auto-recovery
Environmental Characteristics
Operating Temperature Range (Ambient)
Storage Temperature Range:
Maximum Case Temperature
Internal Power Dissipation
Humidity:
Cooling:
Reliability (MTBF per Mil-HDBK-217):
-40ºC to +85ºC, derate 3.3%/ºC above 71ºC
-55ºC to +125ºC
95ºC
2.5W Max.
Up to 95%, Non-condensing
Free-air Convection
>1,000,000 hours, +25ºC, Ground Benign
General Characteristics
Switching Frequency:
Isolation Voltage (Input to Output):
Isolation Resistance:
Isolation Capacitance:
Weight:
Case Material:
Flammability:
300kHz, Typ.
1500VDC, (1 minute)
10
9
Ohms
100pF, Max.
0.42 oz (12g)
Non-conductive black plastic
UL 94-V0 (Materials)
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