Datasheet

www.recom-power.com
REV.: 5/2018 I-2
DC/DC Converter
Specifications (measured @ Ta= 25°C,1.5Vin, full load and after warm-up unless otherwise stated)
R-78S
Series
Parameter Condition Min. Typ. Max.
Minimum Load 0%
Dropout Voltage
Vout= 1.8VDC 500mV
Vout= 3.3VDC 150mV
Vout= 3.6VDC 300mV
Output Ripple and Noise
20MHz BW, 10%-100% load 100mVp-p
ON/OFF CTRL
DC-DC ON
DC-DC OFF
Open or 0.7V ≤ V
CTRL
<Vin
Short to GND or V
CTRL
<0.1V
Input Current of CTRL pin
5µA
Standby Current
7µA
Efficiency vs. Load
Continuous Current
Line Derating
Peak Current
Overload Capability
Efficiency [%]
Output Current [%]
0
0
20
40
60
80
100
20 40 60 10080 90
1.2Vin
1.5Vin
2.4Vin
3.0Vin
Efficiency [%]
Output Current [%]
0
0
20
40
60
80
100
20 40 60 10080
1.5Vin
2.0Vin
2.5Vin
3.0Vin
3.3Vin
Efficiency [%]
Output Current [%]
0
0
20
40
60
80
100
20 40 60 100
1.3Vin
Maximum Output Current [%]
Input Voltage [V]
0.65
0
20
40
60
80
100
1.3
1.45
3.15
3.31.2 1.8 2.4 3.0
1.8Vout
3.3Vout
3.6Vout
Maximum Output Current [%]
Input Voltage [V]
0.65
100
120
110
150
140
130
2.1
1.2 1.8
1.85
2.4 3.3
3.3Vout
3.6Vout
3.15
3.0
1.3
1.45
100
90
150
200 30 120
130
Output Current [%]
Time [s]
Peak Current
Continuous Current
R-78S1.8-0.1 R-78S3.3-0.1
R-78S3.6-0.1