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參數(shù)資料
| 型號： | 78S40 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 124K |
| 代理商： | 78S40 |
μ
A78S40
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
40
V
Op Amp Power Supply Voltage
VCC (Op Amp)
VICR
40
V
Common Mode Input Range
(Comparator and Op Amp)
–0.3 to VCC
V
Differential Input Voltage (Note 2)
VID
±
30
V
Output Short Circuit Duration (Op Amp)
Continuous
–
Reference Output Current
Iref
10
mA
Voltage from Switch Collectors to Gnd
40
V
Voltage from Switch Emitters to Gnd
40
V
Voltage from Switch Collectors to Emitter
40
V
Voltage from Power Diode to Gnd
40
V
Reverse–Power Diode Voltage
VDR
ISW
ID
40
V
Current through Power Switch
1.5
A
Current through Power Diode
1.5
A
Power Dissipation and Thermal Characteristics:
Plastic Package (TA = + 25
°
C)
Derate above + 25
°
C (Note 1)
PD
1/R
θ
JA
Tstg
TA
1500
14
mW
mW/
°
C
Storage Temperature Range
–65 to + 150
°
C
Operating Temperature Range
μ
A78S40V
μ
A78S40C
–40 to +85
0 to +70
°
C
NOTES:
1.Tlow= –40
°
for
μ
A78S40PV
= 0
°
for
μ
A78S40PC
2.For supply voltages less than 30 V the maximum differential input voltage (Error Amp
and Op Amp) is equal to the supply voltage.
Thigh= +85
°
for
μ
A78S40PV
= +70
°
for
μ
A78S40PC
ELECTRICAL CHARACTERISTICS
(VCC = VCC (Op Amp) 5.0 V, TA = Tlow to Thigh, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Supply Voltage
VCC
ICC
2.5
–
40
V
Supply Current (Op Amp VCC, disconnected)
(VCC = 5.0 V)
(VCC = 40 V)
–
–
1.8
2.3
3.5
5.0
mA
Supply Current (Op Amp VCC, connected)
(VCC = 5.0 V)
(VCC = 40 V)
ICC
–
–
–
–
4.0
5.5
mA
REFERENCE
Reference Voltage
(Iref = 1.0 mA)
Vref
1.180
1.245
1.310
V
Reference Voltage Line Regulation
(3.0 V
≤
VCC
≤
40 V, Iref = 1.0 mA, TA = 25
°
C)
Regline
–
0.04
0.2
mV/V
Reference Voltage Load Regulation
(1.0 mA
≤
Iref
≤
10 mA, TA = 25
°
C)
Regload
–
0.2
0.5
mV/mA
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