UA78S40(2006) 查看數據表（PDF） - ON Semiconductor
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UA78S40 Datasheet PDF : 7 Pages
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UA78S40
MAXIMUM RATINGS
Rating
Power Supply Voltage
Op Amp Power Supply Voltage
Common Mode Input Range
(Comparator and Op Amp)
Differential Input Voltage (Note 2)
Output Short Circuit Duration (Op Amp)
Reference Output Current
Voltage from Switch Collectors to Gnd
Voltage from Switch Emitters to Gnd
Voltage from Switch Collectors to Emitter
Voltage from Power Diode to Gnd
Reverse−Power Diode Voltage
Current through Power Switch
Current through Power Diode
Power Dissipation and Thermal Characteristics:
Plastic Package (TA = + 25°C)
Derate above + 25°C (Note 1)
Storage Temperature Range
Operating Temperature Range
mA78S40V
mA78S40C
Symbol
VCC
VCC (Op Amp)
VICR
VID
Iref
VDR
ISW
ID
PD
1/RqJA
Tstg
TA
Value
40
40
−0.3 to VCC
± 30
Continuous
10
40
40
40
40
40
1.5
1.5
1500
14
−65 to + 150
−40 to +85
0 to +70
Unit
V
V
V
V
−
mA
V
V
V
V
V
A
A
mW
mW/°C
°C
°C
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
Supply Current (Op Amp VCC, disconnected)
(VCC = 5.0 V)
(VCC = 40 V)
Supply Current (Op Amp VCC, connected)
(VCC = 5.0 V)
(VCC = 40 V)
VCC
2.5
−
40
V
ICC
mA
−
1.8
3.5
−
2.3
5.0
ICC
mA
−
−
4.0
−
−
5.5
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
1. Tlow = −40° for mA78S40PV
= 0° for mA78S40PC
Thigh= +85° for mA78S40PV
= +70° for mA78S40PC
2. For supply voltages less than 30 V the maximum differential input voltage (Error Amp and Op Amp) is equal to the supply voltage.
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