R-7xxxxP Datasheet PDF - Recom

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R-7xxxxP
Recom

Part Number R-7xxxxP
Description SIP12 Vertical & Horizontal
Page 5 Pages


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Features
Non-Isolated
Synchronous rectification design
Adjustable Output voltage
2, 3, 4AMP Adjustable Positive Step Down
Integrated Switching Regulator
Over load protection (125% full load typical)
Remote ON/OFF Control(Ground Off)
Wide Input Range
UL94V-0 Package Material
Continuous short circuit protection
(Very low short current Iin<50mA)
Input voltage range 4.5V~28V
Efficiency to 97%
Selection Guide
Part
Number
SIP12
Input
Range
(V)
R-723.3x
4.5 – 28
R-725.0x
6.5 – 28
R-726.5x
8.5 – 28
R-729.0x
12 – 28
R-7212x
15 – 28
R-7215x
19 – 28
R-733.3x
4.5 – 28
R-735.0x
6.5 – 28
R-736.5x
8.5 – 28
R-739.0x
12 – 28
R-7312x
15 – 28
R-7315x
19 – 28
R-743.3x
4.5 – 28
R-745.0x
6.5 – 28
R-746.5x
8.5 – 28
Nominal
Vout Output
Output Voltage Adjust Range Current
(V) (V) (A)
Efficiency (%)
Min. Vin 12V Max. Vin
3.3
2.5 – 5.5
2
95 93 89
5.0
3.0 – 6.0
2
96 95 91
6.5
5.0 – 8.0
2
97 96 93
9.0
7.0 – 11
2
96 - 93
12
10 – 14
2
97 - 95
15
13 – 17
2
97 - 96
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3.3
2.5 – 5.5
3
94 93 89
5.0
3.0 – 6.0
3
95 95 92
6.5
5.0 – 8.0
3
97 96 93
9.0
7.0 – 11
3
96 - 94
12
10 – 14
3
97 - 96
15
13 – 17
3
97 - 96
3.3
2.5 – 5.5
4
93 92 88
5.0
3.0 – 6.0
4
95 94 91
6.5
5.0 – 7.5
4
96 96 93
Note: Vin-Vout 1.5V~4.0V depending on Vout if adjust function is used!
Suffix x: (see mechanical drawing for details)
x = P pins vertical through hole
x = D pins bent for horizontal through hole mounting
INNOLINE
DC/DC-Converter
R-7xxxP_D
Series
2, 3, 4 AMP
SIP12
Vertical &
Horizontal
Description
The R-7XXX series is a high performance 2.5V to 15V , 2Amp to 4Amp,12-Pin SIP (single in-line
package), Integrated switching regulator (ISR). The Synchronuous - rectified design yields excellent effi-
ciencies up to 97%. Short circuit protection with crowbar function reduces the short circuit current to
under 50mA of input current.
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INNOLINE
DC/DC-Converter
Specifications (refer to the standard application circuit, Ta: 25°C)
Characteristics
Output Voltage Range
Output Current
Output Current Limit
Short Circuit Input Current
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)
Ripple & Noise
Transient Response (see note 1)
Remote ON / OFF (see note 2)
Switching Frequency
Shutdown current
Quiescent Current
Operating Temperature Range
Operating Case Temperature
Storage Temperature Range
Thermal Impedance
Internal Power Dissipation
MTBF (Nominal Vout, 100% load)
Conditions
All Series
R-72xxP/D
R-73xxP/D
R-74xxP/D
R-72xxP/D
R-73xxP/D
R-74xxP/D
All Series
All Series
All Series
All Series
All Series
50% Load Change –
Vout Over / Undershoot
Open or High (Power ON)
Low (Power OFF)
ON / OFF Pin pulled low
Vin = min. to max. at 0% load
Natural Convection
Ta < 60°C
Tamb. = +25°C
Tamb. = +85°C
R-7xxxP_D
Series
Min.
2.5
0.2
0.3
0.4
4.5
270
-40°C
-40°C
Typ. Max.
17V
2.0A
3.0A
4.0A
2.5 3.0A
3.75 4.25A
5.0 5.5A
50 100mA
Continuous, automatic recovery
±1% ±2%
0.5 1.0%
0.5 1.0%
40mVp-p
70mVp-p
100µs
200µs
100mV
28V
0.8V
300 330kHz
100µA
30mA
+85°C
+110°C
+125°C
25°C/W
1.4W
749 x 10³hours
150 x 10³hours
Notes:
1. Requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications (the capacitor to be placed as close as possible to the output pins).
2. ON / OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET.
Standard Application Circuit
Vin
OFF 1µF
ON (Optional)
TTL
2, 3, 4
C1 1
Q1
R-72XX
R-73XX
R-74XX
5, 6, 7,8
Com
9, 10, 11
R1
(Adjust down)
12
R2
(Adjust up)
Vout
C2
100µF/10V
(REQ`D)
Add a blocking diode to
Vout if current can flow
backwards into the out-
put, as this can damage
the converter..
Com
166
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INNOLINE
DC/DC-Converter
Output Current vs Input Voltage
How to calculate the max output current
The internal power dissipation(PD)follows the equation:
PD = Io × Vo × (1-η)
Io = PD / Vo × (1-η)
Where PD = Internal power dissipation
Io = Output current
Vo = Output voltage
η = Efficiency
Example: R-745.0P , at Vin = 28Vdc , Vo = 5Vdc ,η=91% (see "Selection Guide" table)
(a) When Ta = 60°C , PD = 1.4 Watt (see beside diagram)
Io = 1.4(W) / 5(V) × (1-0.91) = 3.11(A)
(b) When Ta = 85°C , PD = 1 Watt (see beside diagram)
Io = 1(W) / 5(V) × (1-0.91) = 2.222(A)
(c) At Vin = 12Vdc efficiency = 94% (see "Selection Guide" table)
When Ta = 85°C , PD = 1 Watt (see beside diagram)
Io = 1(W) / 5(V) × (1-0.94) =3.33(A)
R-7xxxP_D
Series
90
85
80
60
40
20
0 0.5 1 1.4
Internal Power Dissipation (W)
Characteristics
R-72xx / R-73xx
Ripple VS Vin
50
25
Vo=15V
Vo=12V
Vo=6.5V
Vo=9V
Vo=5V
Vo=3.3V
( Vo )
5 10 15 20 25 28
Vin ( V )
Ripple Vs Vin
R-74xx
Ripple VS Vin
100
6.5V
50 5V
3.3V
( Vo )
5 10 15 20 25 28
Vin ( V )
Ripple Vs Vin
R-72xx / R-73xx
Efficiency VS Vin
100
50
15V
6.5V
5V
3.3V
( Vo )
5 10 15 20 25 28
Vin ( V )
Efficiency Vs Vin
R-74xx
Efficiency VS Vin
100
50
Vo=6.5V
Vo=5V
Vo=3.3V
( Vo )
5 10 15 20 25 28
Vin ( V )
Efficiency Vs Vin
R-72xx / R-73xx / R-74xx
Efficiency / Load Vin=Min
100
90
80
70
1 23
Efficiency Vs Iout (Vin=Min)
4
6.5V
5.0V
3.3V
( Vo )
R-72xx / R-73xx / R-74xx
Efficiency / Load Vin=Max
100
90
80
60
1 23
Efficiency Vs Iout (Vin=Max)
4
15V
5.0V
3.3V
( Vo )
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INNOLINE
DC/DC-Converter
Package Style and Pinning (mm)
R-7xxxP_D
Series
SIP12 PIN Package
3rd angle
projection
32.20
9.1
32.20
9.1
RECOM
15.00 R - 7 2 3 . 3 P
1 2 3 4 5 6 7 8 9 10 11 12
4.0
2.13 0.7 2.54
RECOM
15.00 R - 7 2 3 . 3 D
1 2 3 4 5 6 7 8 9 10 11 12
0.2
2.13
0.2
0.7 2.54
Bottom
View
0.7
Bottom
View
Pin Connections
Pin #
1
2, 3, 4
5, 6, 7, 8
9 , 10, 11
12
Name
ON / OFF
Vin
GND
Vout
Vout-Adj
Tolerance: ± 0.25 mm
Description
Input pin : Active low (less than 0.8V) to disable the device
Power input
Input and output ground (common)
Power output
With external resistors R1,R2 to selected output voltage
0.7
4.0
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R-7xxxxP datasheet pdf
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