INNOLINE
DC/DC-Converter
with 3 year Warranty
R-78C-1.0
IEC/EN-60950-1 Certified
RoHS
2011/65/EU
6/6
1.0 AMP
SIP3
Single Output
●Efficiency up to 96%, no need for heatsinks!
●Pin-out compatible with LM78XX Linear Regs.
●Low profile (L*W*H=11.6*8.5*10.4mm)
●Wide input range (5V ~ 42V)
●Short circuit protection, thermal shutdown
●Non-standard outputs available as specials
●Low ripple and noise
●See Innoline App Notes for use as a positive-to-
negative inverter (alternative to 79xx regulator)
Features
Selection Guide
Part Input Output Output Efficiency
Number Range Voltage Current Min. Vin Max. Vin
SIP3 (V) (V) (A) (%) (%)
R-78C1.8-1.0 5 – 42 1.8 1.0 80 71
R-78C3.3-1.0 7 – 42 3.3 1.0 89 79
R-78C5.0-1.0 8 – 42 5 1.0 93 85
R-78C9.0-1.0 12 – 42 9 1.0 95 90
R-78C12-1.0 15 – 42 12 1.0 96 92
R-78C15-1.0 18 – 42 15 1.0 96 94
Output Power (%)
120
100
20
60
100750
-40
Operating Temperature (°C)
0
80
5025
68
Safe Operating Area
85
40
Derating-Graph
(Ambient Temperature)
Characteristics Conditions Min. Typ. Max.
Input Voltage Range All Series Vout+3V 42V
Output Voltage Range All Series 1.8V 15V
Output Current All Series 0mA* 1000mA
Short Circuit Input Current (Vin =24V) All Series 65mA
No Load Input Current 1mA
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%
Load Regulation (10 to 100% full load) All Series 0.4%
Dynamic Load Stability 100% <-> 50% load ±75mV
100% <-> 10% load ±200mV
Ripple & Noise (20Mhz BW Limited) Vin = 24V, Vout =1.8V-15V 75mVp-p 100mVp-p
With 10µF MLCC output capacitor Full Load 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 420kHz
Operating Temperature Range -40°C +85°C
Maximum Case Temperature +100°C
Storage Temperature Range -55°C +125°C
Case Thermal Impedance 70°C/W
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
Package Weight 2g
Packing Quantity 42 pcs per Tube
Case Material Non-Conductive Black Plastic
continued on next page
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
The R-78Cxx-1.0 series switching regulators are ideally suited to replace 1 Amp 78xx linear regulators and are pin
compatible. Efficiencies of up to 96% means that very little energy is wasted as heat and the high input voltage is a
useful feature.
Description
Refer to Application Notes
www.recom-power.com I-19REV: 0/2015
R-78C
2.54
2.54
Top View
Bottom View
Front
8.50
2.0
0.25
5.08
3.21
213
4.10
0.51 typ.
0.70 ±1.0
10.40
RECOM
R-78C5.0-1.0
**** Pb
1.00ø+0.15/0
11.60
RECOM
R-78C5.0-1.0
**** Pb
Application Examples
INNOLINE
DC/DC-Converter
Package Style and Pinning (mm)
SIP3 PIN Package
+Vin
-Vin
R-78C5.0-1.0
-12VDC
+12VDC
Com
C1 C2
REC3-0512DRW/H2/A
- Triple Outputs
- Wide input range 8V to 42V
C1: Optional , C2 : Required (further decoupling filtering
may be necessary between the two converters) - High System Efficiency, Suitable for 12V, 24V or 36V
Battery Powered Devices
+5VDC
24VAC +/-20%
R-78C5.0-1.0
Com
+5V reg.
C1 C2
- Regulated and Protected DC Output
C2 : optional
- Low Voltage AC Input
+24VDC unreg.
(27~40VDC)
~
~
+
-
R-78Cxx-1.0
Series
High efficiency regulated outputs
Low Voltage AC input, regulated DC output
Pin Connections
Pin #
1 +Vin
2 GND
3 +Vout
xx.x ±0.5mm
xx.xx ±0.25mm
Recommended Footprint Details
R-78C5.0-1.0
Com
+Vout
C1
(Optional)
C2 (Optional)
10µF MLCC
Use soft start supply
Com
+Vin
Standard Application Circuit
Potting Material Epoxy (UL94V-0)
IEC/EN General Safety Report: SPCLVD 1407030-1 IEC/ EN-60950-1, 2nd Edition
Standby Power EN62301:2005
Fast Transient EN61000-4-4 Class A
Conducted Immunity EN61000-4-6 Class A
Magnetic Field Immunity EN61000-4-8 Class A
MTBF (+25°C) using MIL-HDBK 217F 8600 x 10³ hours.
(+68°C) using MIL-HDBK 217F 3880 x 10³ hours.
Note:
No load operation will not damage these devices, however they may not meet all specifications. A minimum load of 10mA is recommended.
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Zener Diode Calculation
VOUT
VIN
R-78
R-78C Vout Zener Voltage, Vz (Vzmin) Recomended Zener Diode
1.8V (1.85V max.) 2.0V (1.90V) MMSZ679T1G
3.3V (3.4V max.) 3.6V (3.42V) MMSZ4685T1G
5V (5.15V max.) 5.6V (5.32V) MMSZ4690T1G
9V (9.27V max.) 10V (9.50V) MMSZ4697T1G
12V (12.36V max.) 13V (12.35V) / 14V (13.30V) MMSZ4700T1G / MMSZ4701T1G
15V (15.45V max.) 17V (16.15V) MMSZ4704T1G
Minimum Zener Breakdown Voltage (VZmin)≥Voutnom + 3% Accuracy
I-20 www.recom-power.comREV: 0/2015
The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM’s explicit
written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer
shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications.
