R-78HB3.3-0.5 Datasheet PDF - Recom

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R-78HB3.3-0.5
Recom

Part Number R-78HB3.3-0.5
Description SIP3 Single Output
Page 4 Pages


R-78HB3.3-0.5 datasheet pdf
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Features
Efficiency up to 96%,Non isolated,
no need for heatsinks
Pin-out compatible with LM78XX Linears
Low profile( L*W*H=11.5*8.5*17.5mm)
High voltage input range, up to 72V
Short circuit protection, Thermal shutdown
Non standard outputs available as specials
between 3.3V~24V
Low ripple and noise
”L” version with 90° pins
See Positive to Negative Converter
Application Note for use as a voltage
inverter (alternative to LM79xx Linear)
INNOLINE
DC/DC-Converter
R-78HBxx-
0.5(L)
Series
0.5 AMP
SIP3
Single Output
Selection Guide
Part
Number
SIP3
R-78HB3.3-0.5
Input
Range
(V)
9 - 72
Output
Voltage
(V)
3.3
R-78HB5.0-0.5
9 - 72
5.0
R-78HB6.5-0.5
9 - 72
6.5
R-78HB9.0-0.5
14 - 72
9.0
R-78HB12-0.5
17 - 72
12
R-78HB15-0.5
20 - 72
15
R-78HB24-0.3
36 - 72
24
* add Suffix “L” for 90° bent pins, e.g. R-78HB5.0-0.5L
Output
Current
(A)
0.5
Efficiency
Vmin. 30V 72V
(%) (%) (%)
82 80 76
0.5 87 85 81
0.5 91 87 84
0.5 92www.DataSheet4U.com
0.5 94
90 86
93 89
0.5 95 94 91
0.3 96 92
Description
The R-78HBxx-Series high efficiency, high input voltage switching regulators are ideally suited to replace
78xx linear regulators and are pin compatible. The efficiency of up to 96% 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.
An input voltage range of up to 8:1is unsurpassed by any other converter and allows the full stored energy
utilisation of standard and high voltage batteries. The fully protected output is ideal for industrial applications
(especially for industry standard 24VDC bus supplies) and the L-Version with 90° pins allows direct replace-
ment 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 15mA round off the specifications of this versatile converter
series.
Typical applications include telecommunication, automotive, industrial, aerospace and battery powered
applications.
Derating-Graph
(Ambient Temperature)
120
100
80
60
40 Safe Operating Area
20
0
-40
0
25 50
7585 100
Operating Temperature (°C) 71
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1



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INNOLINE
DC/DC-Converter
R-78HBxx-0.5
(L) Series
Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10%)
Characteristics
Input Voltage Range
Output Voltage Range (for customized parts)
Output Current (see Note 1)
Output Current Limit (Vin = 48VDC)
Short Circuit Input Current
Internal Input Filter
Internal Power Dissipation
Short Circuit Protection
Output Voltage Accuracy
Line Voltage Regulation
Load Regulation
Dynamic Load Stability (with Output Capacitor=100µF)
Ripple & Noise (without Output Capacitor)
Temperature Coefficient
Max capacitance Load
Switching Frequency (See Graph)
Quiescent Current
Operating Temperature Range
Operating Case Temperature
Storage Temperature Range
Case Thermal Impendance
Thermal Shutdown
Relative Humidity
Package Weight
Case Material
Potting Material
Soldering Temperature
}MTBF (+25°C)
. (+71°C)
Detailed Information see
Application Notes chapter "MTBF"
Conditions
See table
All Series
3.3V, 5V, 6.5V, 9V, 12V, 15V
24V
All Series
All Series
At 100% Load
Vin = min. to max. at full load
10% to 100% full load
100% <-> 50% load
10% to 100% full load
-40°C ~ +85°C ambient
Full Load
Vin = 48VDC. at minimum load
Internal IC junction
using MIL-HDBK 217F
using MIL-HDBK 217F
Min.
9
3.3
10
6
120
1
-40°C
-55°C
Typ. Max.
48 72V
24V
500mA
300mA
700 1200mA
15 25mA
1µF Capacitor
0.65W
Continuous, automatic recovery
±2 ±3%
0.4 1%
0.3
±75mV
20mVp-p
0.6%
±100mV
60mVp-p
0.015%/°C
100µF
800kHz
5mA
+85°C
+100°C
+125°C
60°C / W
+160°C
95% RH
4g
Non-Conductive Black Plastic
Epoxy (UL94V-0)
265°C max./10 sec.
7395 x 10³ hours
1242 x 10³ hours
Standard Application Circuit
+Vin
R-78HBxx-0.5
+Vout
Add a blocking diode to
Vout if current can flow
backwards into the out-
put, as this can damage
the converter.
-Vin -Vout
The converter has a built in soft start circuit. Rapidly changing the input voltage
from Vin(min) Vin(max) can bypass this circuit and damage the converter.
2
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INNOLINE
DC/DC-Converter
Typical Characteristics
Efficiency
100
Vo=24V
Vo=15V
Vo=12V
Vo=9V
75
Vo=6.5V
Vo=5V
Vo=3.3V
50
25
9 20 30 40 50 60 72
Vin ( V )
Efficiency Vs Vin (Full Load)
R-78HBxx-0.5
(L) Series
Ripple
50
25 Vo=24V
Vo=6.5V
Vo=12V,15V
Vo=3.3V
Vo=9V
Vo=5V
9 20 30 40 50 60 72
Vin ( V )
Ripple Vs Vin ( Full Load )
100
Vo=24V
Vo=15V
Vo=12V
Vo=9V
75
Vo=6.5V
Vo=5V
Vo=3.3V
50
25
10 50 100 200 300 400 500
Output Current ( A )
Efficiency Vs Load ( Vin=Max )
60
40
20
10
Vo=24V
Vo=6.5V
Vo=12V, 15V
Vo=3.3V
Vo=9.0V
Vo=5.0V
50 100 200 300 400
Output Current ( mA )
Ripple Vs Load ( Vin=Max )
500
100 Vo=15V, 24V
Vo=12V
Vo=9V
75
Vo=6.5V
Vo=5V
Vo=3.3V
50
25
10 50 100 200 300 400 500
Output Current ( A )
Efficiency Vs Load ( Vin=Min )
60
40 Vo=24V
20
10
50 100 200 300 400
Output Current ( mA )
Ripple Vs Load ( Vin=Min )
Vo=6.5V
Vo=3.3V
Vo=12V, 15V
Vo=9.0V
Vo=5.0V
500
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13-February-2007
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INNOLINE
DC/DC-Converter
Typical Characteristics cont.
R-78HBxx-0.5
(L) Series
Switching Frequency
800 Vo=24V
400
Vo=15V
Vo=12V
Vo=9.0V
200 VVoo==56..05VV
Vo=3.3V
100
50
10
10 50 100 200 300 400 500
Output Current ( mA )
Switching Frequency Vs Load ( Vin=30~72V )
Typical Application
High Input Voltage Multiple Output Supply
Reverse Polarity
Protection
+Batt R-78HB12-0.5
+12V@100mA
-Batt
Cstorage,
Brown Out
Protection
R-785.0-1.0
10uF
+5V@850mA
0V Com
- Wide input range 18V to 72V - can be used with 24V, 48V or 60V batteries
- +12V output for interface and display electronics
- +5V high current output for digital electronics
- Further decoupling filtering may be necessary between the converters
Package Style and Pinning (mm)
SIP3 PIN Package
8.50 8.50
3rd angle
projection
RECOM
R-78HB5.0-0.5
17.5 ****
Pb 0.51 typ.
4.10
RECOM
R-78HB5.0-0.5
****
Pb
4.10 0.7 typ.
11.50
Bottom View
0.25
3.21 5.08 2.0
1.50 max
L - Version
Recommended Footprint Details
1.00ø+0.15/–0
2.54
Top View
2.54
123
Pin Connections
Pin #
1 +Vin
2 GND
3 +Vout
xx.x ±0.5mm
xx.xx ±0.25mm
4
13-February-2007
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R-78HB3.3-0.5 datasheet pdf
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Recom
R-78HB3.3-0.5 pdf

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