파트넘버.co.kr R-78Bxx-1.0 데이터시트 PDF


R-78Bxx-1.0 반도체 회로 부품 판매점

SIP3 Single Output



Recom 로고
Recom
R-78Bxx-1.0 데이터시트, 핀배열, 회로
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 Positive to Negative Converter
Application Note for use as a voltage
inverter (alternative to LM79xx Linear)
INNOLINE
DC/DC-Converter
R-78Bxx-
1.0(L)
Series
1.0 AMP
SIP3
Single Output
Selection Guide
Part
Number
SIP3
R-78B1.5-1.0
Input
Range (1)
(V)
4.75 – 26
R-78B1.8-1.0
4.75 – 26
R-78B2.5-1.0
4.75 – 34
R-78B3.3-1.0
4.75 – 34
R-78B5.0-1.0
6.5 – 34
R-78B6.5-1.0
9.0 – 34
R-78B9.0-1.0
12 – 34
R-78B12-1.0
16 – 34
R-78B15-1.0
20 – 34
Output
Voltage
(V)
1.5
1.8
2.5
3.3
5.0
6.5
9.0
12
15
* add Suffix “L” for 90° bent pins, e.g. R-78B5.0-1.0L
Note 1: 1.5V, 1.8V Output can be unstable with Vin>26VDC
Output
Current
(A)
1.0
Efficiency
Min. Vin Max. Vin
(%) (%)
77 71
1.0 80 74
1.0 85 78
1.0 89 83
1.0 93www.DataSheet4U.com
1.0 94
88
90
1.0 95 93
1.0 96 95
1.0 97 96
Description
The R-78Bxx-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 ver-
satile converter series.
Derating-Graph
(Ambient Temperature)
120
100
80
60
40 Safe Operating Area
20
0
-40
0
25 50
7585 100
Operating Temperature (°C) 71
www.recom-international.com
13-February-2007
1


R-78Bxx-1.0 데이터시트, 핀배열, 회로
INNOLINE
DC/DC-Converter
R-78Bxx-1.0
(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 2)
Output Current Limit
Short Circuit Input Current
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=100µF)
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
}MTBF (+25°C)
. (+71°C)
Detailed Information see
Application Notes chapter "MTBF"
Conditions
1.5V, 1.8V
2.5V to 15.5V
All Series
All Series
All Series
All Series
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
-40°C ~ +85°C ambient
Vin = min. to max. at 0% load
All Series
Internal IC junction
using MIL-HDBK 217F
using MIL-HDBK 217F
Min.
4.75
4.75
1.5
0
280
-40°C
-55°C
Typ. Max.
26.0V
34.0V
15.5V
1000mA
2000mA
10 30mA
0.65W
Continuous, automatic recovery
±2
0.2
0.1
0.4
0.25
±100mV
1.0
15mVp-p
25mVp-p
±3%
0.4%
0.2%
0.6%
0.4%
±150mV
1.5ms
20mVp-p
35mVp-p
0.015%/°C
220µF
330 380kHz
5 7mA
150 200mAp-p
+85°C
+100°C
+125°C
60°C / W
+160°C
95% RH
6584 x 10³ hours
1139 x 10³ hours
Note 2: Converter requires a minimum load of 6mA to start up properly. Once started, the load can be reduced to 0%.
Standard Application Circuit
+Vin
C1
22µF
(Vin>30V)
R-78Bxx-1.0
+Vout
C2
100µF
(Option)
Add a blocking diode to
Vout if current can flow
backwards into the out-
put, as this can damage
the converter..
-Vin -Vout
To protect the converter during power-up, use C1=22µF if Vin>30V
2
13-February-2007
www.recom-international.com




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