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UC3825 датащи(PDF) 3 Page - Texas Instruments

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номер детали UC3825
подробное описание детали  High Speed PWM Controller
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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UC3825 датащи(HTML) 3 Page - Texas Instruments

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UC1825
UC2825
UC3825
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for , RT = 3.65k, CT = 1nF, VCC
= 15V, -55
°C<TA<125°C for the UC1825, –40°C<TA<85°C for the UC2825, and 0°C<TA<70°C for the UC3825, TA=TO.
UC1825
UC3825
PARAMETERS
TEST CONDITIONS
UC2825
MIN
TOP
MAX
MIN
TOP
MAX
UNITS
Reference Section
Output Voltage
TO = 25
°C, IO = 1mA
5.05
5.10
5.15
5.00
5.10
5.20
V
Line Regulation
10V < VCC < 30V
2
20
2
20
mV
Load Regulation
1mA < 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, Temperature
5.00
5.20
4.95
5.25
V
Output Noise Voltage*
10Hz < f < 10kHz
50
50
µV
Long Term Stability*
TJ = 125
°C, 1000hrs.
5
25
5
25
mV
Short Circuit Current
VREF = 0V
-15
-50
-100
-15
-50
-100
mA
Oscillator Section
Initial Accuracy*
TJ = 2
°C
360
400
440
360
400
440
kHz
Voltage Stability*
10V < VCC < 30V
0.2
2
0.2
2
%
Temperature Stability*
TMIN < TA <TMAX
55
%
Total Variation*
Line, Temperature
340
460
340
460
kHz
Oscillator Section (cont.)
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
Error Amplifier Section
Input Offset Voltage
10
15
mV
Input Bias Current
0.6
3
0.6
3
µA
Input Offset Current
0.1
1
0.1
1
µA
Open Loop Gain
1V < VO < 4V
60
95
60
95
dB
CMRR
1.5V < VCM < 5.5V
75
95
75
95
dB
PSRR
10V < VCC < 30V
85
110
85
110
dB
Output Sink Current
VPIN 3 = 1V
1
2.5
1
2.5
mA
Output Source Current
VPIN 3 = 4V
-0.5
-1.3
-0.5
-1.3
mA
Output High Voltage
IPIN 3 = -0.5mA
4.0
4.7
5.0
4.0
4.7
5.0
V
Output Low Voltage
IPIN 3 = 1mA
0
0 .5
1.0
0
0.5
1.0
V
Unity Gain Bandwidth*
3
5.5
3
5.5
MHz
Slew Rate*
6
12
6
12
V/
µs


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