MC79M00 Series
MC79M15B, C
ELECTRICAL CHARACTERISTICS
(V
I
= − 23 V, I
O
= 350 mA, T
low
to T
high
(Note 8), unless otherwise noted.)
Characteristic
Output Voltage (T
J
= 25°C)
Line Regulation, T
J
= 25°C (Note 7)
−17.5 Vdc
≥
V
I
≥
−30 Vdc
−18 Vdc
≥
V
I
≥
−28 Vdc
Load Regulation, T
J
= 25°C (Note 7)
5.0 mA
≤
I
O
≤
500 mA
Output Voltage
−17.5 Vdc
≥
V
I
≥
−30 Vdc, 5.0 mA
≤
I
O
≤
350 mA
Input Bias Current (T
J
= 25°C)
Input Bias Current Change
−17.5 Vdc
≥
V
I
≥
−30 Vdc, I
O
= 350 mA
5.0 mA
≤
I
O
≤
350 mA, V
I
= −23 V
Output Noise Voltage, T
A
= 25°C, 10 Hz
≤
f
≤
100 kHz
Ripple Rejection (f = 120 Hz)
Dropout Voltage
I
O
= 500 mA, T
J
= 25°C
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, 0°C
≤
T
J
≤
125°C
Symbol
V
O
Reg
line
−
−
Reg
load
−
V
O
−14.25
I
IB
DI
IB
−
−
V
n
RR
V
I
−V
O
−
DV
O
/DT
−
−1.0
−
1.1
−
mV/°C
−
54
−
−
90
60
0.4
0.4
−
−
mV
dB
Vdc
−
−
4.4
−15.75
8.0
mA
mA
30
240
Vdc
5.0
3.0
80
50
mV
Min
−14.4
Typ
−15
Max
−15.6
Unit
Vdc
mV
7. Load and line regulation are specified at constant temperature. Change in V
O
due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
8. B = T
low
to T
high
, −40°C < T
J
< 125°C
C = T
low
to T
high
, 0°C < T
J
< 125°C
R
θ
JA, THERMAL RESISTANCE
JUNCTION-TO-AIR (
°
C/W)
90
80
70
60
50
Free Air
Mounted
Vertically
Minimum
Size Pad
P
D(max)
for T
A
= 50°C
2.0 oz. Copper
L
2.0
1.6
1.2
0.8
0.4
0
L
R
qJA
40
0
5.0
10
15
20
25
30
L, LENGTH OF COPPER (mm)
Figure 1. DPAK−3 Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
http://onsemi.com
4
PD, MAXIMUM POWER DISSIPATION (W)
100
2.4
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ONSEMI [ ON SEMICONDUCTOR ]
