Datasheet

R-78HB
Frequency (kHz)
800
50
Switching Frequency Vs Load ( Vin=30~72V )
Vo=5.0V
Vo=9.0V
Vo=15V
200
Output Current ( mA )
100
200
300
400
500
Vo=24V
Vo=6.5V
10
100
Vo=3.3V
400
50
10
Vo=12V
Switching
Frequency
vs
Load
Characteristics Conditions Min. Typ. Max.
Temperature Coefficient -40°C ~ +85°C ambient 0.015%/°C
Max capacitance Load with normal start-up time, no external components 100µF
with <1 second start up time + diode protection circuit 6800µF
Switching Frequency (See Graph) Full Load 120kHz 800kHz
Quiescent Current Vin = 48VDC. at minimum load 1mA 5mA
Operating Temperature Range -40°C +85°C
Operating Case Temperature +100°C
Storage Temperature Range -55°C +125°C
Case Thermal Impedance 60°C / W
Relative Humidity 95% RH
Case Material Non-Conductive Black Plastic
Potting Material Silicone (UL94V-0)
Package Weight 4g
Packing Quantity 42 pcs per Tube
Soldering Temperature 265°C max./10 sec.
Conducted Emissions EN55022 Class B
Radiated Emissions EN55022 Class B
ESD EN61000-4-2 Class A
IEC/EN General Safety Report: LVD 1603123 IEC/EN-60950-1, 2nd Edition + AM:2
MTBF (+25°C) using MIL-HDBK 217F 7395 x 10³ hours
(+71°C) using MIL-HDBK 217F 1242 x 10³ hours
R-78HBxx-0.5
(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"
R-78HBxx-0.5
GND
+Vout
+Vin
GND
The converter has a built in soft start circuit. Rapidly changing the input voltage
from Vin(min) Vin(max) can bypass this circuit and damage the converter.
3.3µF/100V
Required if
Vin>50V
Typical Application Circuit
Typical Characteristics
I-30 www.recom-power.comREV: 1/2016