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31-Oct-2005
0.5 AMP
SIP3
Single Output
INNOLINE
DC/DC-Converter
R-78xx-0.5
Series
●Efficiency up to 97%,Non isolated,
no need for heatsinks
●Pin-out compatible with LM78XX Linears
●Very low profile( L*W*H=11.5*7.5*10.2 )
●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
●RoHS Compatible
Features
Selection Guide
Part Input Output Output Efficiency (%)
Number Range (1) Voltage Current Min. Vin Max. Vin
SIP3 (V) (V) (A)
R-781.5-0.5 4.75 – 30 1.5 0.5 73 63
R-781.8-0.5 4.75 – 34 1.8 0.5 82 71
R-782.5-0.5 4.75 – 34 2.5 0.5 87 77
R-783.3-0.5 4.75 – 34 3.3 0.5 91 81
R-785.0-0.5 6.5 – 34 5.0 0.5 94 86
R-786.5-0.5 8.0 – 34 6.5 0.5 95 88
R-789.0-0.5 11 – 34 9.0 0.5 96 92
R-7812-0.5 15 – 34 12 0.5 97 94
R-7815-0.5 18 – 34 15 0.5 97 95
Output Power (%)
120
100
20
60
100750
-40
Operating Temperature (°C)
0
80
5025
71
Safe Operating Area
85
40
Derating-Graph
(Ambient Temperature)
Note 1:1.5V Output can be unstable with Vin>30VDC
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31-Oct-2005
Characteristics Conditions Min. Typ. Max.
Input Voltage Range 1.5V 4.75 34.0V
1.8V to 15.5V 4.75 30.0V
Output Voltage Range All Series 1.5 15.5V
Output Current All Series 50 500mA
Output Current Limit All Series 2000mA
Short Circuit Input Current All Series 10 30mA
Internal Power Dissipation 0.4W
Output Voltage Accuracy (At 100% Load) All Series ±2 ±3%
Line Voltage Regulation (Vin = min. to max. at full load) 1.5V to 6.5V 0.2 0.4%
9V to 15.5V 0.1 0.2%
Load Regulation (10 to 100% full load) 1.5V to 6.5V 0.4 0.6%
9V to 15.5V 0.25 0.4%
Dynamic Load Stability 100% <-> 50% load ±75mV
100% <-> 10% load ±100mV
Ripple & Noise (without Output Capacitor) 1.5V to 6.5V 20mVp-p 30mVp-p
9V to 15.5V 30mVp-p 40mVp-p
Ripple & Noise (with Output Capacitor=100µF) 1.5V to 6.5V 15mVp-p 20mVp-p
9V to 15.5V 25mVp-p 35mVp-p
Temperature Coefficient -40°C ~ +85°C ambient 0.015%/°C
Max capacitance Load 220µF
Switching Frequency 280 330 380kHz
Quiescent Current Vin = min. to max. at 0% load 5 7mA
Operating Temperature Range -40°C +85°C
Operating Case Temperature +100°C
Storage Temperature Range -55°C +125°C
Case Thermal Impendance 70°C / W
Thermal Shutdown Internal IC junction +160°C
MTBF (+25°C) using MIL-HDBK 217F 21,098 x 10³ hours
. (+71°C) 4,212.x 10³ hours
R-78xx-0.5
Series
Specifications (refer to the standard application circuit, Ta: 25°C)
INNOLINE
DC/DC-Converter
Standard Application Circuit
R-78xx-0.5
-Vout
+Vout
+Vin
-Vin
C1
47µF 100µF
(Optional)
C2
1ms
To protect the converter during power-up, use soft start Vin and C1=47µF
INNOLINE
DC/DC-Converter
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31-Oct-2005
Characteristics
Efficiency (%)
100
20
10
Efficiency Vs
Vin (Full Load)
Vo=1.8V
Vo=3.3V
Vo=5V
Vo=9V
Vo=12V,15 V
50
Vin (V) 30 34
Vo=1.5V
Efficiency
Efficiency (%)
100
0.1
Efficiency Vs
Load ( Vin=Max )
Vo=1.8V
Vo=3.3V
Vo=5V
Vo=12V
50
Output Current ( A )
0.2 0.3 0.4 0.5 0.6
Vo=15V
Vo=1.5V
Efficiency (%)
100
0.1
Efficiency Vs
Load ( Vin=Min )
Vo=1.8V
Vo=3.3V
Vo=5V
Vo=12V,15V
50
Output Current ( A )
0.2 0.3 0.4 0.5 0.6
Vo=1.5V
Ripple (mV)
50
20
10
Ripple Vs
Vin (full load)
Vo=1.8V
Vo=3.3V
Vo=5V
Vo=9V
Vo=12V
25
30
Vin (V) 34
Vo=15V
Vo=1.5V
Ripple
Ripple (mV)
50
0.1
Ripple Vs
Load ( Vin=24V )
Vo=1.8V
Vo=3.3V
Vo=5V
Vo=12V
25
Output Current ( A )
0.2 0.3 0.4 0.5 0.6
Vo=9V
Vo=15V
Vo=1.5V
Ripple (mV)
50
0.1
Ripple Vs
Load ( Vin=Min )
Vo=1.8V
Vo=3.3, 9V
Vo=5V
Vo=12V
25
Output Current ( A )
0.2 0.3 0.4 0.5 0.6
Vo=15V
Vo=1.5V
R-78xx-0.5
Series
2.54
2.54
Top View
Bottom View
7.55
2.0
0.25
5.08
3.21
213
4.10
0.51 typ.
0.7 typ.
10.2
RECOM
R-785.0-0.5
**** Pb
1.00ø+0.15/0
11.50
RECOM
R-785.0-0.5
**** Pb
Application Examples
INNOLINE
DC/DC-Converter
Package Style and Pinning (mm)
SIP3 PIN Package
+Vin
-Vin
R-78xx-0.5
-Vout
+Vout
Com
C1 C2
DC/DC Converter ( 1:1 )
- Isolated dual outputs
- Wide input range 4.75V to 34V
C1 , C2 : optional
+Vin
-Vin
R-78xx-0.5
-Vout
+Vout
C1
C2
DC/DC Converter ( 1:1 )
- Improved loading / line regulation
- Wide Input Voltage Range C1 , C2 : optional
- Point-of-Load Architecture
- High isolation voltage
R-78xx-0.5
Series
High efficiency, isolated, dual unregulated outputs
Isolated (up to 6KV), wide Input range regulated output
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Pin Connections
Pin #
1 +Vin
2 GND
3 +Vout
xx.x ±0.5mm
xx.xx ±0.25mm