R1517 Datasheet, PDF (37/38 Pages) RICOH electronics devices division – Input Voltage Range (Maximum Rating) 3.5 V to 36.0 V (50.0V)

R1517x
NO. EA−304−170112
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.
R1517xxxxB/D Test Circuit
R1517x001C Test Circuit
V_DD
V_OUT
R1517xxxxB/D
CE
GND
C_IN
C_OUT
I_OUT
ESR
V_DD
V_OUT
R1517x001C
V_FB
CE
GND
C_IN
C_OUT
I_OUT
ESR
C_IN=Ceramic0.1μF, C_OUT=Ceramic0.1μF
R1517xxxxE/F Test Circuit
C_IN=Ceramic0.1μF, C_OUT=Ceramic0.1μF
V_DD
V_OUT
R1517xxxxE/F
CE
GND
C_IN
C_D
C_OUT
I_OUT
ESR
C_IN=Ceramic0.1μF, C_OUT=Ceramic0.1μF
Measurement conditions
Frequency Band: 10 Hz to 2 MHz
Measurement Temperature: −40°C to 105°C
Hatched area: Noise level is 40 μV (average) or below
Capacitor: C1 = Ceramic 0.1 μF, C2 = 0.1 μF
R1517x25xx Output Current IOUT vs. ESR
Vin=2.5V to 36V
1000
100
10
1
0.1
0.01
0
105°C
-40°C
100 200 300 400 500
Output Current [mA]
R1517x85xx Output Current IOUT vs. ESR
Vin=8.5V to 36V
1000
100
10
1
0.1
0.01
0
105°C
-40°C
100 200 300 400 500
Output Current [mA]
37