R-78HB Datasheet, PDF (2/4 Pages) Recom International Power – 0.5 AMP SIP3 Single Output

INNOLINE
DC/DC-Converter
R-78HBxx-0.5
(L) Series
Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10%)
Characteristics
Conditions
Min.
Temperature Coefficient
-40°C ~ +85°C ambient
Max capacitance Load
with normal start-up time, no external components
with <1 second start up time + diode protection circuit
Switching Frequency (See Graph)
Full Load
120kHz
Quiescent Current
Vin = 48VDC. at minimum load
1mA
Operating Temperature Range
-40°C
Operating Case Temperature
Storage Temperature Range
-55°C
Case Thermal Impedance
Relative Humidity
Case Material
Potting Material
Package Weight
Packing Quantity
Soldering Temperature
Conducted Emissions
EN55022
Radiated Emissions
EN55022
ESD
EN61000-4-2
IEC/EN General Safety
Report: SPCLVD 1407030-1
} MTBF (+25°C)
(+71°C)
Detailed Information see
Application Notes chapter "MTBF"
using MIL-HDBK 217F
using MIL-HDBK 217F
Typ.
Max.
0.015%/°C
100µF
6800µF
800kHz
5mA
+85°C
+100°C
+125°C
60°C / W
95% RH
Non-Conductive Black Plastic
Epoxy (UL94V-0)
4g
42 pcs per Tube
265°C max./10 sec.
Class B
Class B
Class A
IEC/EN-60950-1, 2nd Edition
7395 x 10³ hours
1242 x 10³ hours
Typical Application Circuit
+Vin
-Vin
R-78HBxx-0.5
3.3µF/100V
Required if
Vin>50V
+Vout
-Vout
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.
Typical Characteristics
Switching
Frequency
vs
Load
I-30
800
Vo=24V
400
Vo=15V
Vo=12V
Vo=9.0V
200
VVoo==56..05VV
Vo=3.3V
100
50
10
10 50 100 200 300 400 500
Output Current ( mA )
Switching Frequency Vs Load ( Vin=30~72V )
REV: 0/2015
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