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GL494 数据表(PDF) 2 Page - Hynix Semiconductor

部件名 GL494
功能描述  PWM CONTROL CIRCUIT
PDF  7 Pages
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制造商  HYNIX [Hynix Semiconductor]
网页  http://www.skhynix.com/kor/main.do
标志 HYNIX - Hynix Semiconductor

GL494 数据表(HTML) 2 Page - Hynix Semiconductor

  GL494 Datasheet HTML 1Page - Hynix Semiconductor GL494 Datasheet HTML 2Page - Hynix Semiconductor GL494 Datasheet HTML 3Page - Hynix Semiconductor GL494 Datasheet HTML 4Page - Hynix Semiconductor GL494 Datasheet HTML 5Page - Hynix Semiconductor GL494 Datasheet HTML 6Page - Hynix Semiconductor GL494 Datasheet HTML 7Page - Hynix Semiconductor  
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GL494
2
Absolute Maximum Ratings
Supply Voltage,
CC
V
……………………………………………………………………….. 41
V
Amplifier Input Voltage
………………………………………………………………..
CC
V
+0.3
V
Collector Output Voltage
……………………………………………………………………… 41
V
Continuous Total dissipation at (or below) 25 C
°
………………………………………. 1000
mW
Operating Free-Air Temperature Range
……………………………………………… -20 to 85
C
°
Storage Temperature Range
……………………………………………………….….. -65 to 150
C
°
Collector Output Current
………………………………………………………………….. 250
mA
Recommended Operation Conditions
PARAMETER
MIN
MAX
UNIT
Supply Voltage,
CC
V
7
40
V
Amplifier Input Voltage,
1
V
-0.3
CC
V
-2
V
Collector Output Voltage, Vo
40
V
Collector Output Current
(Each Transistor)
200
mA
Current Into Feed back Terminal
0.3
mA
Timing Capacitor,
T
C
0.47
10,000
nF
Timing Resistor,
T
R
1.8
500
Ω
K
Oscillator Frequency
1
300
KHz
Operating Free-Air Temperature
-20
85
C
°
Electrical Characteristics (Temperature
C
85
~
20
°
−
, CC
V
=15V, f=10KHz)
Reference Section
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
Output voltage ( ref
V
)
mA
1
IO =
4.75
5
5.25
V
Input regulation
V
7
VCC =
to 40V,
C
25
TA
°
=
2
25
mV
Output regulation
1
IO = to 10mA,
C
25
TA
°
=
1
15
mV
Output Voltage change
with temperature
C
20
TA
°
−
=
to
C
85
°
0.2
1
%
Short-circuit
Output current(2)
0
Vref =
35
mA
Oscillator Section
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
Frequency
F
01
.
0
CT
µ
=
,
Ω
= k
12
RT
10
KHz
Standard deviation
of frequency (3)
All values of
CC
V
,
A
T
T
T
,
R
,
C
Constant
10
%
Frequency change with
Voltage
V
7
VCC =
to 40V,
C
25
TA
°
=
0.1
%
Frequency change with
temperature
F
01
.
0
CT
µ
=
,
Ω
= k
12
RT
C
20
TA
°
−
=
to
C
85
°
2
%



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