I-28 www.recom-electronic.com
REV: 1/2009
R-78B-1.5
Characteristics Conditions Min. Typ. Max.
Input Voltage Range All Series, see Selection Guide 4.75 18.0V
Output Voltage Range (for customized parts) All Series 1.5 6.5V
Output Current All Series 0* 1500mA
Output Current Limit All Series 5000mA
Short Circuit Input Current (Vin = 12V) All Series 100mA
Internal Power Dissipation 0.65W
Short Circuit Protection Continuous, automatic recovery
Output Voltage Accuracy (At 100% Load) All Series ±2 ±3%
Line Voltage Regulation (Vin = min. to max. at full load) All Series 0.2 0.4%
Load Regulation (10% to 100% full load) All Series 0.4 0.6%
Dynamic Load Stability (with Output Capacitor=100µF) 100% <-> 50% load ±80 ±120mV
Transient Recovery Time 1.0 1.5ms
Ripple & Noise (10% to 100% full load) All Series 15 30mVp-p
Temperature Coefficient -40°C ~ +85°C ambient 0.015%/°C
Max capacitance Load 1000µF
Switching Frequency 300 340 380kHz
Quiescent Current Vin = min. to max. at 0% load 7 9mA
Input Reflected Ripple Current All Series 150 200mAp-p
Operating Temperature Range -40°C +85°C
Operating Case Temperature +100°C
Storage Temperature Range -55°C +125°C
Case Thermal Impendance 60°C / W
Thermal Shutdown Internal IC junction +160°C
Relative Humidity 95% RH
Case Material Epoxy with Non-Conductive Plastic Case (UL94V-0)
Package Weight 4g
Conducted Emissions EN55022 Class B
Radiated Emissions EN55022 Class B
ESD EN61000-4-2 Class A
Safety Certification EN-60950-1
MTBF (+25°C) using MIL-HDBK 217F 3250 x 10³ hours
(+71°C) using MIL-HDBK 217F 1059 x 10³ hours
R-78Bxx-1.5
(L) Series
Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10 %)
INNOLINE
DC/DC-Converter
}
Detailed Information see
Application Notes chapter "MTBF"
*Note: Operation under no load will not damage these devices, however they may not meet all specifications. A minimum load of 10mA is recommended