參數(shù)資料
型號： 5962-8876101EA
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 1.5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, CDIP16
封裝： CERAMIC, DIP-16
文件頁數(shù)： 7/12頁
文件大小： 332K
代理商： 5962-8876101EA
LM78S40
Electrical Characteristics (Note 5) (Continued)
T
A = Operating temperature range, VIN = 5.0V, V
+(Op Amp) = 5.0V, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
OUTPUT SWITCH SECTION
h
FE
Output Transistor Current
Gain
I
C = 1.0A, VCE = 5.0V, TA = 25C
70
I
L
Output Leakage Current
V
O = 40V, TA = 25C
10
nA
POWER DIODE
V
FD
Forward Voltage Drop
I
D = 1.0A
1.25
1.5
V
I
DR
Diode Leakage Current
V
D = 40V, TA = 25C
10
nA
COMPARATOR
V
IO
Input Offset Voltage
V
CM = VREF
1.5
15
mV
I
IB
Input Bias Current
V
CM = VREF
35
200
nA
I
IO
Input Offset Current
V
CM = VREF
5.0
75
nA
V
CM
Common Mode Voltage
Range
T
A = 25C
0
V
IN–2
V
PSRR
Power Supply Rejection
Ratio
V
IN = 3.0V to 40V, TA = 25C
70
96
dB
OPERATIONAL AMPLIFIER
V
IO
Input Offset Voltage
V
CM = 2.5V
4.0
15
mV
I
IB
Input Bias Current
V
CM = 2.5V
30
200
nA
I
IO
Input Offset Current
V
CM = 2.5V
5.0
75
nA
A
VS
+
Voltage Gain
+
R
L = 2.0 k to GND;
25
250
V/mV
V
O = 1.0V to 2.5V, TA = 25C
A
VS
Voltage Gain
R
L = 2.0 k to V
+ (Op Amp)
25
250
V/mV
V
O = 1.0V to 2.5V, TA = 25C
V
CM
Common Mode Voltage
Range
T
A = 25C
0
V
CC 2
V
CMR
Common Mode Rejection
V
CM = 0V to 3.0V, TA = 25C
76
100
dB
PSRR
Power Supply Rejection
Ratio
V
+ (Op Amp) = 3.0V to 40V, T
A = 25C
76
100
dB
I
O
+
Output Source Current
T
A = 25C
75
150
mA
I
O
Output Sink Current
T
A = 25C
10
35
mA
SR
Slew Rate
T
A = 25C
0.6
V/s
V
OL
Output Voltage LOW
I
L = 5.0 mA, TA = 25C
1.0
V
OH
Output Voltage High
I
L = 50 mA, TA = 25C
V + (Op
V
Amp)
3V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when ordering the device
beyond its rated operating conditions.
Note 2: TJ Max = 150C for the Molded DIP, and 175C for the Ceramic DIP.
Note 3: Ratings apply to ambient temperature at 25C. Above this temperature, derate the 16L-Ceramic DIP at 10 mW/C, and the 16L-Molded DIP at 8.3 mW/C.
Note 4: For supply voltages less than 30V, the absolute maximum voltage is equal to the supply voltage.
Note 5: A military RETS specification is available on request. At the time of printing, the LM78S40 RETS specification complied with the Min and Max limits in this
table. The LM78S40J may also be procured as a Standard Military Drawing.
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