Datasheet

I-30 www.recom-electronic.comREV: 1/2013
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.
Input Voltage Range See table 9V 72V 75V Absolute Max.
Output Voltage Range (for customized parts) All Series 3.3V 24V
Output Current (see Note 1) 3.3V, 5V, 6.5V, 9V, 12V, 15V 10mA 500mA
24V 6mA 300mA
Output Current Limit (Vin = 48VDC) All Series 700mA 1200mA
Short Circuit Input Current All Series 15mA 25mA
Internal Input Filter 1µF Capacitor
Internal Power Dissipation 0.65W
Short Circuit Protection Continuous, automatic recovery
Output Voltage Accuracy At 100% Load ±2% ±3%
Line Voltage Regulation Vin = min. to max. at full load 0.4% 1%
Load Regulation 10% to 100% full load 0.3% 0.6%
Dynamic Load Stability (with Output Capacitor=100µF) 100% <-> 50% load ±75mV ±100mV
Ripple & Noise (without Output Capacitor) 10% to 100% full load 20mVp-p 60mVp-p
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 Impendance 60°C / W
Thermal Shutdown Internal IC junction +160°C
Relative Humidity 95% RH
Case Material Non-Conductive Black Plastic
Potting Material Epoxy (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
Safety Certification Report: SPCLVD 1301026-1 EN-60950-1:2006 + A12:2011
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
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Detailed Information see
Application Notes chapter "MTBF"