MC7900
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
(TA = +25
°
C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage (–5.0 V
≥
VO
≥
–18 V)
Input Voltage
(24 V)
VI
–35
–40
Vdc
Power Dissipation
Case 221A
TA = +25
°
C
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
Case 936 (D2PAK)
TA = +25
°
C
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
PD
θ
JA
θ
JC
Internally Limited
65
5.0
W
°
C/W
°
C/W
PD
θ
JA
θ
JC
Tstg
TJ
Internally Limited
70
5.0
W
°
C/W
°
C/W
Storage Junction Temperature Range
–65 to +150
°
C
Junction Temperature
+150
°
C
THERMAL CHARACTERISTICS
Characteristics
Symbol
Max
Unit
Thermal Resistance, Junction–to–Ambient
R
θ
JA
R
θ
JC
65
°
C/W
Thermal Resistance, Junction–to–Case
5.0
°
C/W
MC7905C
ELECTRICAL CHARACTERISTICS
(VI = –10 V, IO = 500 mA, 0
°
C < TJ < +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25
°
C)
Line Regulation (Note 1)
(TJ = +25
°
C, IO = 100 mA)
–7.0 Vdc
≥
VI
≥
–25 Vdc
–8.0 Vdc
≥
VI
≥
–12 Vdc
(TJ = +25
°
C, IO = 500 mA)
–7.0 Vdc
≥
VI
≥
–25 Vdc
–8.0 Vdc
≥
VI
≥
–12 Vdc
Load Regulation, TJ = +25
°
C (Note 1)
5.0 mA
≤
IO
≤
1.5 A
250 mA
≤
IO
≤
750 mA
VO
–4.8
–5.0
–5.2
Vdc
Regline
–
–
–
–
7.0
2.0
35
8.0
50
25
100
50
mV
Regload
–
–
11
4.0
100
50
mV
Output Voltage
–7.0 Vdc
≥
VI
≥
–20 Vdc, 5.0 mA
≤
IO
≤
1.0 A, P
≤
15 W
VO
–4.75
–
–5.25
Vdc
Input Bias Current (TJ = +25
°
C)
Input Bias Current Change
–7.0 Vdc
≥
VI
≥
–25 Vdc
5.0 mA
≤
IO
≤
1.5 A
Output Noise Voltage (TA = +25
°
C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (IO = 20 mA, f = 120 Hz)
Dropout Voltage
IO = 1.0 A, TJ = +25
°
C
IIB
IIB
–
4.3
8.0
mA
–
–
–
–
1.3
0.5
mA
Vn
RR
–
40
–
μ
V
–
70
–
dB
VI–VO
–
2.0
–
Vdc
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 0
°
C
≤
TJ
≤
+125
°
C
VO/
T
–
–1.0
–
mV/
°
C
NOTE:
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately.
NOTE:
1.
Pulse testing with low duty cycle is used.