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Features
Switching
Regulator
• Non-isolated
• Adjustable output voltage
• 1-2AMP adjustable positive step down
integrated switching regulator
• Internal short circuit protection
• ON/OFF control (ground off)
• Efficiency up to 97%
• Positive to negative
DC/DC Converter
R-6xxxP_D
Description
The R-6xxx series is a high performance 1.5V to 15V (18V), 1.1 Amp to 2Amp, 12-Pin SIP (single in-line
package) switching regulator. The Synchronous rectification yields excellent efficiencies up to 97%.
Short circuit protection reduces the short circuit input current to under 50mA.
Selection Guide
Part Input Output Vout Output Efficiency Max. Capacitive
Number Voltage Range Voltage Adjust Range (1) Current @ min Vin @ max. Vin Load (2)
[VDC] [VDC] [VDC] [A] [%] [%] [µF]
R-611.8x 9 - 32
1.8 1.5 - 3.6
1
79 67
200/6800
R-612.5x 9 - 32
2.5 1.5 - 4.5
1
84 74
200/6800
R-613.3x 9 - 32 3.3 1.8 - 6
1
88 79
200/6800
R-615.0x 9 - 32
5
1.8 - 9
1
92 84
200/6800
R-619.0x 11 - 32 9 3.3 - 15 1
96 90
200/6800
R-6112x 14 - 32 12 3.3 - 15
1
97 92
200/6800
R-621.8x 9 - 32
1.8 1.5 - 3.6
2
76 68
200/6800
R-622.5x 9 - 32
2.5 1.5 - 4.5
2
81 74
200/6800
R-623.3x 9 - 32 3.3 1.8 - 6
2
86 80
200/6800
R-625.0x 9 - 32
5
1.8 - 9
2
90 85
200/6800
R-629.0x 11 - 32 9 3.3 - 15 2
95 91
200/6800
R-6212x 14 - 32 12 3.3 - 15
2
96 93
200/6800
1-2 Amp
SIP12
Vertical &
Horizontal
Single Output
Notes:
Note1: Vin-Vout ≥ 1.5V if adjust function is used
Note2: please refer to basic characteristics on page I-2
IEC/EN60950-1 certified
Model Numbering
R-6_ __ x
Output Current (A)
nom. Output Voltage
Pinning (3)
Notes:
Note3: x can be „P“ = vertical through hole
x can be „D“ = bent for horizontal through hole mounting
Ordering Examples:
R-612.5P Iout= 1000mA nom. Vout= 2.5VDC
R-623.3D Iout= 2000mA nom. Vout= 3.3VDC
P= vertical through hole
D= bent for horizontal through hole mounting
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REV.: 4/2018
I-1

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R-6xxxP_D
DC/DC Converter
Specifications (refer to standard application circuit, Ta= 25°C)
Series
BASIC CHARACTERISTICS
Parameter
Quiescent Current
Internal Power Dissipation
Output Current Limit
Minimum Load
ON/OFF CTRL (4)
Input Current of CTRL Pin
Internal Operating Frequency
Output Ripple and Noise
Maximum Capacitive Load
Condition
min. Vin to max.
ta<60°C
DC-DC ON
DC-DC OFF
DC-DC OFF
R-61xxx
R-62xxx
normal start-up time, no external diodes
<1 second start-up time + diode protection circuit
Min. Typ. Max.
6mA 10mA
1.0W
4A 4.5A 5A
10%
Open or high (Power ON), 2V min. / 10V max.
Low (Power OFF) 0.8V max.
100µA
200kHz
250kHz
300kHz
40mVp-p
40mVp-p
100mVp-p
120mVp-p
200µF
6800µF
Notes:
Note4: ON/OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET
Line Derating
100
90
80
70
60
50
40
30
20
10
R-62xx
R-61xx
0
9 1112 14 16 20 24 28
Input Voltage [VDC]
32
100
85
80
60
40
20
0
0
0.5 0.7
1.0
Internal Power Dissipation [W]
1.5
How to calculate the max output current
The internal power dissipiation (PD ) follows the equation:
PD= Iout x Vout x (1-Effmax Vin )
Example: R-6212P
Iout=
PD
Vout x (1-Effmax Vin )
Calculation 1:
Vin = 32V
Vout = 12V
Effmax Vin = 93%
PD = 1W
TAmbient = 60°C
Iout=
1W
12V x (1-0.93 )
= 1.19A
Calculation 2:
Vin = 14V
Vout = 12V
Effmax Vin = 96%
PD = 1W
TAmbient = 60°C
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continued on next page
REV.: 4/2018
Iout=
1W
12V x (1-0.96 )
= 2.08A
I-2

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DC/DC Converter
Specifications (refer to standard application circuit, Ta= 25°C)
Efficiency vs. Load
100
92.5
90
87.5
85
82.5
80
70
60
50
0.1
R-623.3 / R-613.3
9Vin
12Vin
26Vin
0.5 1.0 1.5
Output Load [A]
2.0
R-6xxxP_D
Series
100
92.5
90
87.5
85
82.5
80
70
60
50
0.1
R-625.0 / R-615.0
9Vin
12Vin
24Vin
38Vin
0.5 1.0 1.5
Output Load [A]
2.0
Ripple vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
0.1
R-623.3 / R-613.3
26Vin
12Vin
9Vin
0.5 1.0 1.5
Output Curent [A]
2.0
100
90
80
70
60
50
40
30
20
10
0
0.1
R-625.0 / R-615.0
38Vin
24Vin
12Vin
9Vin
0.5 1.0 1.5 2.0
Output Curent [A]
Trim Tables or Calculation
2ADC
3ADC
R-611.8P/D
R-621.8P/D
Vout nom.
Vout adj.
1.5
1.8
2.0
2.5
3.0
1.8VDC
R1 R2
13.6kΩ
10kΩ
5.1kΩ
2.5kΩ
R-612.5P/D
R-622.5P/D
2.5VDC
R1 R2
3.3kΩ
8.2kΩ
15kΩ
10kΩ
R-613.3P/D
R-623.3P/D
3.3VDC
R1 R2
3.1kΩ
5.1kΩ
13kΩ
51kΩ
R-615.0P/D
R-625.0P/D
5.0VDC
R1 R2
820kΩ
1.5kΩ
3.6kΩ
7.0kΩ
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continued on next page
REV.: 4/2018
R-619.0P/D
R-629.0P/D
9.0VDC
R1 R2
R-6112P/D
R-6212P/D
12VDC
R1 R2
I-3

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DC/DC Converter
Specifications (refer to standard application circuit, Ta= 25°C)
Trim Tables or Calculation
R-6xxxP_D
Series
2ADC
3ADC
Vout nom.
Vout adj.
3.3
3.6
3.9
4.5
5.0
5.1
5.5
6.0
7.0
8.0
9.0
10
11
12
13
14
15
R-611.8P/D
R-621.8P/D
1.8VDC
R1 R2
1.7kΩ
1.2kΩ
R-612.5P/D
R-622.5P/D
2.5VDC
R1 R2
5.9kΩ
3.9kΩ
2.8kΩ
1.6kΩ
R-613.3P/D
R-623.3P/D
R-615.0P/D
R-625.0P/D
R-619.0P/D
R-629.0P/D
R-6112P/D
R-6212P/D
3.3VDC
R1 R2
18kΩ
9.1kΩ
3.9kΩ
2.4kΩ
2.2kΩ
1.6kΩ
1.1kΩ
5.0VDC
R1 R2
9.7kΩ
14kΩ
20kΩ
60kΩ
60kΩ
15kΩ
7.2kΩ
2.8kΩ
1.5kΩ
880Ω
450Ω
180Ω
9.0VDC
R1 R2
0Ω
1.5kΩ
3.3kΩ
7.5kΩ
11kΩ
12kΩ
17kΩ
24kΩ
51kΩ
130kΩ
36kΩ
15kΩ
8.2kΩ
4.7kΩ
2.7kΩ
1.3kΩ
12VDC
R1 R2
0Ω
560Ω
1.2kΩ
2.1kΩ
4.0kΩ
4.3kΩ
5.6kΩ
7.5kΩ
12kΩ
19kΩ
31kΩ
55kΩ
125kΩ
11kΩ
4.0kΩ
1.6kΩ
REGULATIONS
Parameter
Output Accuracy
Line Regulation
Load Regulation (5)
Transient Response (6)
Condition
low line to high line, full load
10% to 100%, full load
R-61xxx
R-62xxx
50% load step change
Vout over / undershoot
Value
±1.0% typ. / ±2.0% max.
±0.5% typ.
±0.5% max.
±1.0% max.
100µs typ. / 200µs max.
5% typ.
Notes:
Note5: Operation below 10% load will not harm the converter, but specifications may not be met
Note6: Requires a 100µF electolytic or tantalum output capacitor for proper operation in all applications
(the capacitor has to be placed as close as possible to the output pins)
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
Short Circuit Input Current
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Condition
Vin > 12VDC
continued on next page
REV.: 4/2018
Value
continuous, automatic recovery
20mA typ. / 100mA max.
I-4

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DC/DC Converter
Specifications (refer to standard application circuit, Ta= 25°C)
Optional Diode Protection Circuit
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. Protection diodes are
required for high capacitive loads.
Optional Protection 1:
D1
+Vin +Vin R-5/6/7xxx +Vout
GND
The diode can either be fitted across
the divice, if the source is low imped-
ance or fitted in series with the output
(recommended).
GND
R-6xxxP_D
Series
Optional Protection :
+Vout
+Vin
+Vin R-5/6/7xxx +Vout
GND Vadj
+Vout
D1
R1
GND GND
GND
R1: Trim output voltage up to 1 diode drop
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Thermal Impedance
Operating Humidity
Operating Altitude
Pollution Degree
MTBF
Condition
without derating @ natural convection 0.1m/s
@ natural convection 0.1m/s
non-condensing
according to MIL-HDBK 217F, G.B.
+25°C
+71°C
Value
-40°C to +85°C
+110°C
25°C/W
95% RH max.
2000m
PD2
563 x 103 hours
117 x 103 hours
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Information Technology Equipment, General Requirements for Safety
EAC
RoHS 2+
Report / File Number
1605077-12
RU-AT.49.09571
Standard
IEC60950-1:2005, 2nd Edition + AM2:2013
EN60950-1:2006 + AM2:2013
TP TC 004/2011
RoHS-2011/65/EU + AM-2015/863
DIMENSION AND PHYSICAL CHARACTERISTICS
Parameter
Material
Dimension (LxWxH)
Weight
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Type
case
potting
continue on next page
REV.: 4/2018
Value
non-conducive black plastic, (UL94 V-0)
epoxy, (UL94 V-0)
32.2 x 9.1 x 15.0mm
9g typ.
I-5