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R-78C-1.0 Datasheet, PDF (2/2 Pages) Recom International Power – 1.0 AMP SIP3 Single Output
INNOLINE
DC/DC-Converter
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Potting Material
IEC/EN General Safety
Report: SPCLVD 1407030-1
Standby Power
Fast Transient
Conducted Immunity
Magnetic Field Immunity
MTBF (+25°C)
(+68°C)
using MIL-HDBK 217F
using MIL-HDBK 217F
R-78Cxx-1.0
Series
EN61000-4-4
EN61000-4-6
EN61000-4-8
Epoxy (UL94V-0)
IEC/ EN-60950-1, 2nd Edition
EN62301:2005
Class A
Class A
Class A
8600 x 10³ hours.
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.
Zener Diode Calculation
Minimum Zener Breakdown Voltage (VZmin) ≥ Voutnom + 3% Accuracy
R-78
VIN
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
VOUT
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
Application Examples
High efficiency regulated outputs
+Vin
R-78C5.0-1.0
C1
C2
REC3-0512DRW/H2/A
+5VDC
+12VDC
Com
-12VDC
-Vin
- Triple Outputs
C1: Optional , C2 : Required (further decoupling filtering
may be necessary between the two converters)
- Wide input range 8V to 42V
- High System Efficiency, Suitable for 12V, 24V or 36V
Battery Powered Devices
Standard Application Circuit
+Vin
R-78C5.0-1.0
+Vout
C1
(Optional)
C2 (Optional)
10µF MLCC
Com
Com
Use soft start supply
Package Style and Pinning (mm)
SIP3 PIN Package
RECOM
10.40
R-78C5.0-1.0
**** Pb
0.51 typ.
Low Voltage AC input, regulated DC output
24VAC +/-20%
+24VDC unreg.
(27~40VDC) R-78C5.0-1.0
~+
C1
~-
- Low Voltage AC Input
- Regulated and Protected DC Output
+5V reg.
C2
Com
C2 : optional
8.50
Front
RECOM
R-78C5.0-1.0
**** Pb
4.10
0.70 ±1.0
123
11.60
0.25
Bottom View
2.0
3.21 5.08
Recommended Footprint Details
1.00ø+0.15/–0
2.54
Top View
2.54
Pin Connections
Pin #
1
2
3
xx.x ±0.5mm
xx.xx ±0.25mm
+Vin
GND
+Vout
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.
I-20
REV: 0/2015
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