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UC3823 датащи(PDF) 2 Page - Texas Instruments

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номер детали UC3823
подробное описание детали  High Speed PWM Controller
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

UC3823 датащи(HTML) 2 Page - Texas Instruments

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UC1823
UC2823
UC3823
CONNECTION DIAGRAMS
ELECTRICAL CHARACTERISTICS:
PARAMETER
TEST CONDITIONS
UC1823
UC2823
UC3823
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Reference Section
Output Voltage
TJ = 25°C, lO = 1mA
5.05
5.10
5.15
5.00
5.10
5.20
V
Line Regulation
10 < VCC < 30V
2
20
2
20
mV
Load Regulation
1 < IO < 10mA
5
20
5
20
mV
Temperature Stability*
TMIN < TA < TMAX
0.2
0.4
0.2
0.4
mV/°C
Total Output Variation*
Line, Load, Temp.
5.00
5.20
4.95
5.25
Output Noise Voltage*
10Hz < f < 10kHz
50
50
µV
Long Term Stability*
TJ = 125°C, 1000 hrs.
5
25
5
25
mV
Short Circuit Current
VREF=0V
-15
-50
-100
-15
-50
-100
mA
Oscillator Section
Initial Accuracy*
TJ=25°C
360
400
440
360
400
440
kHz
Voltage Stability*
10 < VCC < 30V
0.2
2
0.2
2
%
Temperature Stability*
TMIN <TA < TMAX
55
%
Total Variation*
Line, Temp.
340
460
340
460
kHz
Clock Out High
3.9
4.5
3.9
4.5
V
Clock Out Low
2.3
2.9
2.3
2.9
V
Ramp Peak*
2.6
2.8
3.0
2.6
2.8
3.0
V
Ramp Valley*
0.7
1.0
1.25
0.7
1.0
1.25
V
Ramp Valley to Peak*
1.6
1.8
2.0
1.6
1.8
2.0
V
* These parameters are guaranteed by design but not 100% tested in production.
DIL-16, SOIC-16 (TOP VIEW)
J or N, DW Package
PLCC-20, LCC-20 (TOP VIEW)
Q, L Package
PACKAGE PIN FUNCTION
FUNCTION
PIN
N/C
1
Inv.
2
N.I.
3
E/A Out
4
Clock
5
N/C
6
RT
7
CT
8
Ramp
9
Soft start
10
N/C
11
ILIM/S.D.
12
Ground
13
ILIM REF
14
PWR Gnd
15
N/C
16
VC
17
OUT
18
VCC
19
VREF 5.1V
20
Unless otherwise noted, these specifications apply for RT = 3.65k, CT =
1nF, VCC = 15V, 0°C < TA < +70°C for the UC3823, -25°C < TA < +85°C for
the UC2823, and -55°C < TA < +125°C for the UC1823, TA = TJ.
2


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