R-78C3.3-1.0 Datasheet PDF - Recom


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R-78C3.3-1.0
Recom

Part Number R-78C3.3-1.0
Description DC/DC-Converter
Page 2 Pages

R-78C3.3-1.0 datasheet pdf
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Features
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)
Description
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.
Selection Guide
Part
Number
SIP3
R-78C1.8-1.0
Input
Range
(V)
5 – 42
Output
Voltage
(V)
1.8
Output
Current
(A)
1.0
Efficiency
Min. Vin Max. Vin
(%) (%)
80 71
R-78C3.3-1.0
7 – 42
3.3
1.0 89 79
R-78C5.0-1.0
R-78C9.0-1.0
R-78C12-1.0
R-78C15-1.0
8 – 42
12 – 42
15 – 42
18 – 42
5
9
12
15
1.0 93 85
1.0 95 90
1.0 96 92
1.0 96 94
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Characteristics
Input Voltage Range
Conditions
All Series
Min.
Vout+3V
Typ.
Max.
42V
Output Voltage Range
All Series
1.8V
15V
Output Current
All Series
0mA*
1000mA
Short Circuit Input Current (Vin =24V)
No Load Input Current
Short Circuit Protection
Output Voltage Accuracy (At 100% Load)
Line Regulation (100% Load, Vin max.)
Load Regulation (10 to 100% full load)
Dynamic Load Stability
All Series
All Series
All Series
All Series
100% <-> 50% load
65mA
1mA
Continuous, automatic recovery
±2% ±3%
0.2%
0.4%
±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)
Radiated Emissions (with filter)
ESD
Radiated Immunity
Package Weight
Packing Quantity
Case Material
EN55022
EN55022
EN61000-4-2
EN61000-4-3
Class B
Class B
Class A
Class A
2g
42 pcs per Tube
Non-Conductive Black Plastic
continued on next page
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REV: 1/2016
INNOLINE
DC/DC-Converter
with 3 year Warranty
1.0 AMP
SIP3
Single Output
RoHS
2011/65/EU
6/6
IEC/EN-60950-1 Certified
R-78C-1.0
Derating-Graph
(Ambient Temperature)
120
100
80
60
40
Safe Operating Area
20
0
-40 0
25 50 75 85 100
68
Operating Temperature (°C)
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INNOLINE
DC/DC-Converter
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Potting Material
IEC/EN General Safety
Report: LVD 1603123
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
Silicone (UL94V-0)
IEC/ EN-60950-1, 2nd Edition + AM:2
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
GND
GND - 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
GND GND
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
C2 : optional
GND
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: 1/2016
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