參數(shù)資料
型號： MC79M08XBT
廠商： Motorola, Inc.
英文描述： THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS
中文描述： 三端負固定電壓調(diào)節(jié)器
文件頁數(shù)： 2/8頁
文件大小： 118K
代理商： MC79M08XBT
MC79M00
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
(TA = 25
°
C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage
VI
–35
Vdc
Power Dissipation
Case 221A
TA = 25
°
C
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
Case 369 and 369A (DPAK)
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
92
6.0
W
°
C/W
°
C/W
°
C
Storage Junction Temperature
–65 to +150
Junction Temperature
150
°
C
NOTE:
ESD data available upon request.
THERMAL CHARACTERISTICS
Characteristic
Symbol
Value
Unit
Thermal Resistance, Junction–to–Ambient
R
θ
JA
R
θ
JC
65
°
C/W
Thermal Resistance, Junction–to–Case
5.0
°
C/W
MC79M05B, C
ELECTRICAL CHARACTERISTICS
(VI = –10 V, IO = 350 mA, Tlow to Thigh [Note 2], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25
°
C)
Line Regulation, TJ = 25
°
C (Note 1)
–7.0 Vdc
≥
VI
≥
–25 Vdc
–8.0 Vdc
≥
VI
≥
–18 Vdc
Load Regulation, TJ = 25
°
C (Note 1)
5.0 mA
≤
IO
≤
500 mA
VO
–4.8
–5.0
–5.2
Vdc
Regline
–
–
7.0
2.0
50
30
mV
Regload
–
30
100
mV
Output Voltage
–7.0 Vdc
≥
VI
≥
–25 Vdc, 5.0 mA
≤
IO
≤
350 mA
VO
–4.75
–
–5.25
Vdc
Input Bias Current (TJ = 25
°
C)
Input Bias Current Change
–8.0 Vdc
≥
VI
≥
–25 Vdc, IO = 350 mA
5.0 mA
≤
IO
≤
350 mA, VI = –10 V
Output Noise Voltage, TA = 25
°
C, 10 Hz
≤
f
≤
100 kHz
Ripple Rejection (f = 120 Hz)
IIB
IIB
–
4.3
8.0
mA
–
–
–
–
0.4
0.4
mA
Vn
RR
–
40
–
μ
V
54
66
–
dB
Dropout Voltage
IO = 500 mA, TJ = 25
°
C
VI–VO
–
1.1
–
Vdc
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, 0
°
C
≤
TJ
≤
125
°
C
VO/
T
–
0.2
–
mV/
°
C
NOTES:
1.Load and line regulation are specified at constant temperature. Change in VO due to heating effects must be taken into account separately. Pulse
testing with low duty cycle is used.
2.B = Tlow to Thigh, –40
°
C < TJ < 125
°
C
C = Tlow to Thigh, 0
°
C < TJ < 125
°
C
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