IL79XXC SERIES
IL7918
Electrical characteristics
(VI = -27V, Io = 500mA, 0°C <TJ<+125°C unless otherwise noted)
Characteristic
Output Voltage (TJ=+25°C)
Line Regulation (Note 1)
(TJ=+25°C, Io = 100mA)
-21Vdc ≥ VI ≥ -33Vdc
-24Vdc ≥ VI ≥ -30Vdc
Symbol
Min
Typ
Max
Unit
Vo
-11.5
-12
-12.5
Vdc
Regline
-
-
mV
25
180
10
90
(TJ=+25°C, Io =500mA)
-21Vdc ≥ VI ≥ -33Vdc
-24Vdc ≥ VI ≥ -30Vdc
Load Regulation (TJ=+25°C, Note 1)
5.0mA ≤ Io ≤ 1.5A
250mA ≤ Io ≤ 750 mA
Output Voltage
5.0mA ≤ Io ≤ 1.0A, Po ≤15 W
-21Vdc ≥ VI ≥ -33Vdc
Input Bias Current (TJ=+25°C)
Input Bias Current Change
-21Vdc ≥ VI ≥ -33Vdc
5.0mA ≤ Io ≤ 1.5A
Output Noise Voltage (TA=+25°C)
10 Hz ≤ f ≤ 100 kHz
Ripple Rejection (Io=20mA f=120Hz)
Dropout Voltage (Io=1.0A, TJ =+25°C)
Average Temperature Coefficient of
Output Voltage Io=5.0mA, 0°C <TJ<+125°C
-
90
360
-
50
180
Regload
-
-
mV
110
360
55
180
Vo
-17.1
-
-18.9
Vcd
IIB
-
∆ IIB
-
-
eon
-
RR
-
VI-Vo
-
DVo/Vo
-
4.5
8.0
mA
mA
-
1.0
-
0.5
110
-
µV
59
-
dB
2.0
-
Vdc
-1.0
-
mV/°C
IL7924
Electrical characteristics
(VI = -33V, Io = 500mA, 0°C <TJ<+125°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ=+25°C)
Line Regulation (Note 1)
(TJ=+25°C, Io = 100mA)
-27Vdc ≥ VI ≥ -38Vdc
-30Vdc ≥ VI ≥ -36Vdc
Vo
-11.5
-12
-12.5
Vdc
Regline
-
-
mV
31
240
14
120
(TJ=+25°C, Io =500mA)
-27Vdc ≥ VI ≥ -38Vdc
-30Vdc ≥ VI ≥ -36Vdc
-
118
480
-
70
240
Load Regulation (TJ=+25°C, Note 1)
Regload
mV
5.0mA ≤ Io ≤ 1.5A
250mA ≤ Io ≤ 750 mA
-
150
480
-
85
240
Output Voltage
Vo
-22.8
-
-25.2
Vcd
5.0mA ≤ Io ≤ 1.0A, Po ≤15 W
-27Vdc ≥ VI ≥ -38Vdc
Input Bias Current (TJ=+25°C)
IIB
-
4.6
8.0
mA
Input Bias Current Change
-27Vdc ≥ VI ≥ -38Vdc
5.0mA ≤ Io ≤ 1.5A
∆ IIB
-
-
mA
-
1.0
-
0.5
Output Noise Voltage (TA=+25°C)
eon
-
170
-
µV
10 Hz ≤ f ≤ 100 kHz
Ripple Rejection (Io=20mA f=120Hz)
RR
-
56
-
dB
Dropout Voltage (Io=1.0A, TJ =+25°C)
VI-Vo
-
2.0
-
Vdc
Average Temperature Coefficient of
DVo/Vo
-
-1.0
-
mV/°C
Output Voltage Io=5.0mA, 0°C <TJ<+125°C
Note:
Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into
account separately. Pulse testing with low duty cycle is used.
5