R1513S Datasheet, PDF (22/23 Pages) RICOH electronics devices division – Input Voltage (Maximum Ratings) 3.5 V to 36 V (50 V)

R1513S
NO.JA-321-160715
Equivalent Series Resistance (ESR) vs. Output Current
It is recommended that a ceramic type capacitor be used for this device. However, other types of capacitors having
lower ESR can also be used. The relation between the output current (IOUT) and the ESR of output capacitor is
shown below.
V_DD
V_OUT
R1513Sxx1B/D
C1
CE _{GND VFB}
C2
I_OUT
ESR
C1 = Ceramic1.0 μF, C2 = Ceramic4.7 μF
V_DD
V_OUT
R1513S121B/D
C1
CE _{GND VFB}
C2
R1
I_OUT
R2 _ESR
C1 = Ceramic1.0 μF, C2 = Ceramic4.7 μF
R1 = 510 kΩ, R2 = 36 kΩ
Measurement Conditions
Frequency Band: 10 Hz to 2 MHz
Ambient Temperature: −40°C to 125°C
Hatched Area: Noise level below 40 μV (average)
Capacitor: C1 = 1.0 μF Ceramic Capacitor, C2 = 4.7 μF Ceramic Capacitor (C4532X7S1H685K)
1000
R1513S121B/D
VIN=3.5V to 36V
100
10 Ta=-40°C
125°C
1000
R1513S331B/D
VIN=3.5V to 36V
100
10 Ta=-40°C
125°C
1
1
0.1
0.01
0
50 100 150 200 250 300
Output Current IOUT (mA)
0.1
0.01
0
50 100 150 200 250 300
Output Current IOUT (mA)
R1513S501B/D
1000
VIN=5V to 36V
100
10 Ta=-40°C
125°C
1
0.1
0.01
0
50 100 150 200 250 300
Output Current IOUT (mA)
R1513S121B/D (VOUT to 18.2 V)
1000
VIN=18V to 36V
100
10 Ta=-40°C
125°C
1
0.1
0.01
0
50 100 150 200 250 300
Output Current IOUT (mA)
22