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Features
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Efficiency up to 94%, no need for heatsinks!
Pin-out compatible with LM78XX Linear Regs.
Low profile (L*W*H=11.5*7.5*10.2mm)
Wide input range (4.75V ~ 18V)
Short circuit protection, thermal shutdown
Non standard outputs available as specials
Low ripple and noise
INNOLINE
DC/DC-Converter
with 3 year Warranty
Description
The R-78xx-1.0 series switching regulators are ideally suited to replace 1 Amp 78xx linear regulators and are pin
compatible. Efficiencies of up to 97% means that very little energy is wasted as heat so there is no need for any
heat sinks with their additional space and mounting costs .
Selection Guide
1.0 AMP
SIP3
Part
Number
SIP3
R-781.8-1.0
R-782.5-1.0
R-783.3-1.0
R-785.0-1.0
Input
Range
(V)
4.75 – 18
4.75 – 18
4.75 – 18
6.5 – 18
Output
Voltage
(V)
1.8
2.5
3.3
5.0
Output
Current
(A)
1.0
1.0
1.0
1.0
Efficiency
Min. Vin Max. Vin
(%) (%)
82 76
87 81
90 84
94 89
Single Output
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Characteristics                   Conditions         Min.      Typ.      Max.
Input Voltage Range                 All Series          4.75V                18V
Output Voltage Range                All Series           1.5V                5.5V
Output Current                    All Series          0mA*             1000mA
Output Current Limit                All Series                            3000mA
Short Circuit Input Current (Vin =12V)    All Series                             100mA
Internal Power Dissipation                                                  0.4W
Short Circuit Protection                                  Continuous, automatic recovery
Output Voltage Accuracy (At 100% Load)  All Series                    ±2%      ±3%
Line Regulation (100% Load, Vin max.)   All Series                    0.2%      0.4%
Load Regulation (10 to 100% full load)    All Series                    0.4%      0.6%
Dynamic Load Stability               100% <-> 50% load           ±85mV  ±100mV
Ripple & Noise (20Mhz BW)           All Series                   20mVp-p 30mVp-p
Temperature Coefficient              -40°C ~ +85°C ambient               0.015%/°C
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    350kHz   430kHz
Quiescent Current      Vin = min. to max. at 0% load                  5mA      7mA
Operating Temperature Range                                       -40°C to +85°C
Operating Case Temperature (with derating)                                   +100°C
Storage Temperature Range                                        -55°C to +125°C
Case Thermal Impendance                                               70°C/W
Thermal Shutdown                  Internal IC junction                      +160°C
Case Material                                          Non-Conductive Black Plastic
RoHS
2011/65/EU
6/6
EN-55022 Certified
EN-55024 Certified
EN-60950-1 Certified
R-78-1.0
Derating-Graph
(Ambient Temperature)
40
75
Potting Material                                                 Epoxy (UL94V-0)
Conducted Emissions (with filter) EN55022 Class B
Radiated Emissions (with filter) EN55022 Class B
ESD EN61000-4-2 Class A
Radiated Immunity EN61000-4-3 Class A
Fast Transient EN61000-4-4 Class A
Conducted Immunity EN61000-4-6 Class A
Magnetic Field Immunity              EN61000-4-8                         Class A
Certifications
General Safety Report: SPCLVD 1301026-1 EN 60950-1:2006 + Al2:2011
EMC                     Report: 5A111502E          EN 55022, EN55024, EN61000
120
100
80
60
Safe Operating Area
30
20
0
-40 0 25 50
Operating Temperature (°C)
60
85
100
}
(+71°C) using MIL-HDBK 217F 3880 x 103 hours.
Package Weight                                                         1.9g
Packing Quantity                                                 42 pcs per Tube
MTBF (+25°C) Detailed Information see using MIL-HDBK 217F 13338 x 103 hours.
Application Notes chapter "MTBF"
I-12
REV: 0/2014
www.recom-power.com
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