SL494 Просмотр технического описания (PDF) - System Logic Semiconductor
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SL494 Datasheet PDF : 4 Pages
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SL494
ELECTRICAL CHARACTERISTICS (Temperature -20 ∼ 85°C, VCC = 15 V, f=10 kHz))
Symbol
Parameter
Test Conditions
Reference Section
Vref
Vregin
Vregout
∆Vref
Output Voltage
Output regulation
Input regulation
Output Voltage change with
temperature
IO=1 mA
VCC=7 V to 40 V, TA=25°C
IO=1 to 10 mA, TA=25°C
TA= -20°C to 85°C
ISC
Short-circuit output current Vref=0
(Note 1)
Oscillator Section
fOSC
Frequency
δfOSC Standard deviation of
frequency (Note 2)
CT=0.01 µF, RT=12 kΩ
All values of VCC, CT, RT, TA
Constant
δfOSC(∆V) Frequency change with
voltage
δfOSC(∆T) Frequency change with
temperature
Dead Time Control Section
VCC= 7 V to 40 V,
TA=25°C
CT=0.01 µF, RT=12 kΩ
TA= -20°C to 85°C
IIB(2T)
DCmax
Input bias current (pin 4)
Maximum duty cycle, each
output
VI= 0 to 5.25 V
VI(pin 4)=0 V
VTHD Input threshold voltage
(pin 4)
Zero duty cycle
Maximum duty cycle
Error Amp Section
VIO
Input offset voltage
IIO
Input offset current
IIB
Input bias current
Common-mode input
voltage range
VO(pin 3)=2.5 V
VO(pin 3)=2.5 V
VO(pin 3)=2.5 V
VCC= 7 V to 40 V
LOW
HIGH
Avol Open-loop voltage
amplification
∆VO=3 V, VO=0.5 to 3.5 V
fb
CMRR
IO
IO+
Unity-gain bandwidth
Common-mode rejection ratio VCC=40 V, TA=25°C
Output sink current (pin 3)
VID=-15 mV to -5 V,
VO(pin 3)=0.7 V
Output source current
(pin 3)
VID=15 mV to 5 V,
VO(pin 3)=3.5 V
Min
Max Unit
4.75
5.25
V
25
mV
15
mV
1
%
50
mA
6
14
KHz
15
%
10
%
2
%
-10
µA
45
%
3.3
V
0
-0.3
VCC - 2
70
100
65
0.3
-2
10
mV
250
nA
1
µA
V
dB
kHz
dB
mA
mA
SLS
System Logic
Semiconductor
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