SL494
ELECTRICAL CHARACTERISTICS(Temperature -20 ~ 85°C, VCC = 15 V, f=10 kHz))
Symbol
PWM Comparator Section
VTHP Input threshold voltage
Parameter
Test Conditions
Min
Max
Unit
Zero duty cycle
4.5
V
(pin 3)
II
Input sink current (pin 3)
VO(pin 3)=0.7 V
0.3
mA
Switching Characteristics
trc
tfc
trf
tff
Output voltage rise time
Common-emitter configuration
Common-emitter configuration
Emitter-follower configuration
Emitter-follower configuration
200
100
200
100
ns
ns
ns
ns
Output voltage fall time
Output voltage rise time
Output voltage fall time
Output Section
IC(off) Collector off-state current
IE(off) Emitter off-state current
VCE=40 V, V =40 V
100
-100
1.3
mA
mA
V
CC
VCC=VC=40 V, V =0
E
V
Collector-
emitter
Common-
emitter
VE=0, IC=200 mA
SAT
saturation
voltage
Emitter-
follower
VC=15 V, IE=-200 mA
2.5
3.5
IOCH
Output control input current V =V
mA
mA
mA
I
ref
Total Device
ICC
Standby supply current
All other inputs &
outputs open
VCC=15 V
VCC=40 V
10
15
17
ICCA
Average supply current
V(pin 4)=2 V
Notes: 1. Duration of the short circuit should not exceed one second.
2. Standard deviation is a measure of the statistical disribution about the mean as derived from the formula
N
å (x - x)2
n
n=1
s =
N - 1
System Logic
SLS
Semiconductor
SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
