UA78S40(2006) Просмотр технического описания (PDF) - ON Semiconductor
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UA78S40 Datasheet PDF : 7 Pages
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UA78S40
ELECTRICAL CHARACTERISTICS (VCC = VCC (Op Amp) 5.0 V, TA = Tlow to Thigh, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
OSCILLATOR
Charging Current (TA = 25°C)
(VCC = 5.0 V)
(VCC = 40 V)
Discharging Current (TA = 25°C)
(VCC = 5.0 V)
(VCC = 40 V)
Oscillator Voltage Swing (TA = 25°C)
(VCC = 5.0 V)
Ratio of Charge/Discharge Time
CURRENT LIMIT
Current−Limit Sense Voltage (TA = 25°C)
(VCC − Vlpk Sense)
OUTPUT SWITCH
Output Saturation Voltage 1
(ISW = 1.0 A, Pin 15 tied to Pin 16)
Output Saturation Voltage 2
(ISW = 1.0 A, I15 = 50 mA)
Output Transistor Current Gain (TA = 25°C)
(IC = 1.0 A, VCE = 5.0 V)
Output Leakage Current (TA = 25°C)
(VCE = 40 V)
POWER DIODE
Forward Voltage Drop (ID = 1.0 A)
Diode Leakage Current (TA = 25°C) (VDR = 40 V)
COMPARATOR
Input Offset Voltage (VCM = Vref)
Input Bias Current (VCM = Vref)
Input Offset Current (VCM = Vref)
Common Mode Voltage Range (TA = 25°C)
Power−Supply Rejection Ratio (TA = 25°C)
(3.0 ≤ VCC ≤ 40 V)
OUTPUT OPERATION AMPLIFIER
Input Offset Voltage (VCM = 2.5 V)
Input Bias Current (VCM = 2.5 V)
Input Offset Current (VCM = 2.5 V)
Voltage Gain + (TA = 25°C)
(RL = 2.0 kW to Gnd, 1.0 V ≤ VO ≤ 2.5 V)
Voltage Gain − (TA = 25°C)
(RL = 2.0 kW to VCC (Op Amp), 1.0 V ≤ VO ≤ 2.5 V)
Common Mode Voltage Range (TA = 25°C)
Common Mode Rejection Ratio (TA = 25°C)
(VCM = 0 V to 3.0 V)
Power−Supply Rejection Ratio (TA = 25°C)
(3.0 V ≤ VCC (Op Amp) ≤ 40 V)
Output Source Current (TA = 25°C)
Output Sink Current (TA = 25°C)
Slew Rate (TA = 25°C)
Output Low Voltage (TA = 25°C, IL = −5.0 mA)
Output High Voltage (TA = 25°C, IL = 50 mA)
Ichg
Idis
Vosc
20
−
50
20
−
70
150
−
250
150
−
350
−
0.5
−
tchg/tdis
−
6.0
−
VCLS
250
−
350
Vsat1
Vsat2
hFE
IC(off)
−
0.93
1.3
−
0.5
0.7
−
70
−
−
10
−
VD
IDR
VIO
IIB
IIO
VICR
PSRR
−
1.25
1.5
−
10
−
−
1.5
15
−
35
200
−
5.0
75
0
−
VCC − 2.0
70
96
−
VIO
IIB
IIO
AVOL+
−
4.0
15
−
30
200
−
5.0
75
25
250
−
AVOL−
25
250
−
VICR
0
−
VCC − 2.0
CMRR
76
100
−
PSRR
76
100
−
ISource
75
150
−
ISink
10
35
−
SR
−
0.6
−
VOL
−
−
1.0
VOH
VCC(Op Amp)
−
−
− 3.0
Unit
mA
mA
V
−
mV
V
V
−
nA
V
nA
mV
nA
nA
V
dB
mV
nA
nA
V/mV
V/mV
V
dB
dB
mA
mA
V/ms
V
V
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