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Features

Efficiency up to 97%,Non isolated, no need for heatsinks Pin-out compatible with LM78XX Linears Low profile( L*W*H=11.5*8.5*17.5mm) Wide input range.(4.75V ~ 34V) Short circuit protection, Thermal shutdown Non standard outputs available as specials between 1.5V ~15V Low ripple and noise "L" version with 90 pins See Innoline Application Notes for use as an inverter (alternative to LM79xx Linear)
INNOLINE
DC/DC-Converter
Description
The R-78Bxx-1.0 Series high efficiency switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. The efficiency 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. The L-Version with 90 pins allows direct replacement for laid-flat regulators where component height is at a premium. Low ripple and noise figures and a short circuit input current of typically only 10mA round off the specifications of this versatile converter series.
1.0 AMP SIP3 Single Output
Selection Guide
Part Number SIP3 R-78B1.5-1.0 R-78B1.8-1.0 R-78B2.5-1.0 R-78B3.3-1.0 R-78B5.0-1.0 R-78B6.5-1.0 R-78B9.0-1.0 R-78B12-1.0 R-78B15-1.0 Input Range (1) (V) 4.75 - 26 4.75 - 26 4.75 - 32 4.75 - 32 6.5 - 32 9.0 - 32 12 - 32 16 - 32 20 - 32 Output Voltage (V) 1.5 1.8 2.5 3.3 5.0 6.5 9.0 12 15 Output Current (A) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Efficiency Min. Vin Max. Vin (%) (%) 77 80 85 89 93 94 95 96 97 71 74 78 83 88 90 93 95 96
2002/95/EC 6/6
RoHS
EN-55022 Certified EN-55024 Certified EN-60601-1-2 Certified EN-60950-1 Certified
R-78B-1.0
Derating-Graph
(Ambient Temperature)
* add Suffix "L" for 90 bent pins, e.g. R-78B5.0-1.0L
Typical Application Circuit
+Vin C1
22F (Vin>30V)
R-78Bxx-1.0
+Vout
Output Power (%)
120 100 80 60 40 20 0
Safe Operating Area
-40
0
25
50
-Vin
To protect the converter during power-up, use C1=22F if Vin>30V
-Vout
Operating Temperature (C)
85 75 100 71
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REV:0/2010
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INNOLINE
DC/DC-Converter
R-78Bxx-1.0 (L) Series
Conditions 1.5V, 1.8V 2.5V to 15.5V All Series All Series All Series All Series Continuous, automatic recovery All Series 1.5V to 6.5V 9V to 15.5V 1.5V to 6.5V 9V to 15.5V 100% <-> 50% load Transient Recovery Time 1.5V to 6.5V 9V to 15.5V -40C ~ +85C ambient 280kHz Vin = min. to max. at 0% load All Series -40C -55C Internal IC junction Internal IC junction +160C Epoxy with Non-Conductive Plastic Case (UL94V-0) 4g EN55022 EN55022 EN61000-4-2 EN-60950-1 using MIL-HDBK 217F using MIL-HDBK 217F 42 pcs per Tube Class B Class B Class A 6584 x 10 hours 1139 x 10 hours 330kHz 5mA 150mA 2% 0.2% 0.1% 0.4% 0.25% 100mV 1.0ms 15mVp-p 25mVp-p 3% 0.4% 0.2% 0.6% 0.4% 150mV 1.5ms 20mVp-p 35mVp-p 0.015%/C 220F 380kHz 7mA 200mAp-p +85C +100C +125C 60C / W +160C 95% RH Min. 4.75V 4.75V 1.5V 0mA* Typ. 25 32 Max. 26V abs. max. 34V abs. max. 15.5V 1000mA 2000mA 60mA 0.65W
Specifications (refer to the standard application circuit, Ta: 25C, minimum load = 10%)
Characteristics Input Voltage Range Output Voltage Range (for customized parts) Output Current (see Note 1) Output Current Limit Short Circuit Input Current (Vin = 24V) Internal Power Dissipation Short Circuit Protection Output Voltage Accuracy (At 100% Load) Line Voltage Regulation (Vin = min. to max. at full load) Load Regulation (10% to 100% full load) Dynamic Load Stability (with Output Capacitor=100F) Ripple & Noise (without Output Capacitor) (10% to 100% full load) Temperature Coefficient Max capacitance Load Switching Frequency Quiescent Current Input Reflected Ripple Current Operating Temperature Range Operating Case Temperature Storage Temperature Range Case Thermal Impendance Thermal Shutdown Relative Humidity Thermal Shutdown Case Material Package Weight Packing Quantity Conducted Emissions Radiated Emissions ESD Safety Certification MTBF (+25C) . (+71C)
R-78B-1.0
}
Detailed Information see Application Notes chapter "MTBF"
*Note: Operation under no load will not damage these devices, however they may not meet all specifications. A minimum load of 10mA is recommended
I-28
REV: 0/2010
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INNOLINE
DC/DC-Converter
Characteristics
R-78Bxx-1.0 (L) Series
Ripple
Vo=1.8V Vo=1.5V Vo=15V Vo=12V Vo=9V Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V 50
Efficiency
100 75 50
25
Efficiency (%)
25
10
20
34
Ripple (mV)
Vo=15V Vo=9V,12V Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.5V,1.8V 10 20 34
Vin ( V ) Efficiency Vs Vin (Full Load)
100 75 50 Vo=15V Vo=12V Vo=9V Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V 50
Vin ( V ) Ripple Vs Vin ( Full Load )
25
Efficiency (%)
25
0.2
0.4
0.6
0.8
1.0
1.2
Ripple (mV)
Vo=15V Vo=9V, 12V Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.5V, 1.8V 0.2 0.4 0.6 0.8 1.0 1.2
Output Current ( A ) Efficiency Vs Load ( Vin=Max )
Vo=15V Vo=12V Vo=9V, 6,5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V
Output Current ( A ) Ripple Vs Load ( Vin=Max )
R-78B-1.0
100 75 50
50
25
Efficiency (%)
25
0.2
0.4
0.6
0.8
1.0
1.2
Ripple (mV)
Vo=9V,12V,15V Vo=6.5V Vo=2.5V,3.3V,5V Vo=1.5V,1.8V 0.2 0.4 0.6 0.8 1.0 1.2
Output Current ( A ) Efficiency Vs Load ( Vin=Min )
Output Current ( A ) Ripple Vs Load ( Vin=Min )
Optional Protection Circuit
Optional Protection 1:
Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter when it is powered down. The diode can either be fitted across the device if the source is low impedance or fitted in series with the output (recommended).
-Vin
Optional Protection 2:
+Vin
R-78xx-xx
+Vout
+Vin
R-78xx-xx Schottky Diode
Vout= +Vout 0.3V
-Vout
-Vin
-Vout
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REV:0/2010
I-29
INNOLINE
DC/DC-Converter
Application Examples
High efficiency multiple output
+Vin
R-78Bxx-1.0 (L) Series
R-78B5.0-1.0
RD-0512D +12V@84mA +5V@0.4A
C1
-Vin
C2
0V Com -12V@84mA
C1: optional, C2: required (further decoupling filtering may be necessary - Wide input range 6.5V to 34V between the two converters) - +/-12V outputs for analogue circuits, e.g. instrumentation amplifier - +5V output for digital circuits
Isolated, wide Input range, Distributed Power Architecture (Point of Load)
RP10-4812SEW +Vin +12V@0.1A
C1
-Vin - High isolation voltage - 1.6kV - Improved loading / line regulation - Wide Input Voltage Range - 18~75V - Point-of-Load Architecture - C1 is required. Further decoupling filtering may be necessary between the converters
R-78B5.0-1.0
+5V@1A
C2
C2,C3 : optional
R-78B3.3-1.0
+3.3V@1A
R-78B-1.0
C3
0V
Package Style and Pinning (mm)
SIP3 PIN Package
8.50
RECOM R-78B5.0-1.0 ****
Pb
3rd angle projection
8.50
RECOM R-78B5.0-1.0 ****
17.5
0.51 typ.
4.10 1.50 max
Pb
4.10
0.7 typ.
L - Version Recommended Footprint Details
123
Pin Connections Pin # 1 +Vin 2 GND 3 +Vout xx.x 0.5mm xx.xx 0.25mm
11.50 0.25 3.21
Bottom View
1.00 o+0.15/0 2.54
5.08
2.0
Top View
2.54
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