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參數(shù)資料
| 型號： | 78S40 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/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)： | 3/8頁 |
| 文件大小： | 124K |
| 代理商： | 78S40 |
μ
A78S40
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC = VCC (Op Amp) 5.0 V, TA = Tlow to Thigh, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
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
Ichg
20
20
–
–
50
70
μ
A
Idis
150
150
–
–
250
350
μ
A
Vosc
–
0.5
–
V
tchg/tdis
–
6.0
–
–
CURRENT LIMIT
Current–Limit Sense Voltage (TA = 25
°
C)
(VCC – Vlpk Sense)
VCLS
250
–
350
mV
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)
Vsat1
–
0.93
1.3
V
Vsat2
–
0.5
0.7
V
hFE
–
70
–
–
IC(off)
–
10
–
nA
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)
VD
IDR
–
1.25
1.5
V
–
10
–
nA
VIO
IIB
IIO
VICR
PSRR
–
1.5
15
mV
–
35
200
nA
–
5.0
75
nA
0
–
VCC – 2.0
–
V
70
96
dB
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 k
to Gnd, 1.0 V
≤
VO
≤
2.5 V)
Voltage Gain – (TA = 25
°
C)
(RL = 2.0 k
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)
VIO
IIB
IIO
AVOL+
–
4.0
15
mV
–
30
200
nA
–
5.0
75
nA
25
250
–
V/mV
AVOL–
25
250
–
V/mV
VICR
CMRR
0
–
VCC – 2.0
–
V
76
100
dB
PSRR
76
100
–
dB
ISource
ISink
SR
75
150
–
mA
10
35
–
mA
V/
μ
s
V
–
0.6
–
VOL
VOH
–
–
1.0
VCC(Op Amp)
– 3.0
–
–
V
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