Datasheet
Efficiency (%)
50
Efficiency Vs
Vin (Full Load)
Vo=1.8V
Vo=2.5V
Vo=5V
Vo=3.3V
25
Vin ( V )
10
20
34
75
100
Vo=1.5V
Vo=12V
Vo=15V
Vo=9V
Vo=6.5V
Efficiency
Ripple (mV)
50
Ripple Vs
Vin ( Full Load )
Vo=1.5V,1.8V
Vo=2.5V
Vo=5V
Vo=3.3V
25
Vin ( V )
10 20
34
Vo=9V,12V
Vo=15V
Vo=6.5V
Ripple
R-78B-1.0
Characteristics Conditions Min. Typ. Max.
Max capacitance Load with normal start-up time, no external components 470µF
with <1 second start up time + diode protection circuit 6800µF
Switching Frequency 280kHz 330kHz 380kHz
Quiescent Current Vin = min. to max. at 0% load 5mA 7mA
Input Reflected Ripple Current All Series 150mA 200mAp-p
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 Epoxy with Non-Conductive Plastic Case (UL94V-0)
Potting Material Silicone (UL94V-0)
Package Weight 4g
Packing Quantity 42 pcs per Tube
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 6584 x 10³ hours
. (+71°C) using MIL-HDBK 217F 1139 x 10³ hours
R-78Bxx-1.0
(L) Series
Specifications
(refer to the standard application circuit, Ta: 25°C, minimum load = 10%)
INNOLINE
DC/DC-Converter
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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
R-78Bxx-1.0
GND
+Vout
+Vin
GND
C1
22µF
(Vin>30V)
To protect the converter during power-up, use C1=22µF if Vin>30V
Typical Application Circuit
Characteristics
I-22 www.recom-power.comREV: 1/2016