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參數(shù)資料
| 型號： | U3825N |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High Speed PWM Controller |
| 中文描述： | 高速PWM控制器 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 914K |
| 代理商： | U3825N |
3
UC1825
UC2825
UC3825
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for , R
T
= 3.65k, C
T
= 1nF, V
CC
= 15V, -55
°
C<T
A
<125
°
C for the UC1825, –40
°
C<T
A
<85
°
C for the UC2825, and 0
°
C<T
A
<70
°
C for the UC3825, T
A
=T
O.
UC1825
UC2825
TOP
UC3825
PARAMETERS
TEST CONDITIONS
MIN
MAX
MIN
TOP
MAX
UNITS
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability*
Total Output Variation*
Output Noise Voltage*
Long Term Stability*
Short Circuit Current
Oscillator Section
Initial Accuracy*
Voltage Stability*
Temperature Stability*
Total Variation*
Oscillator Section (cont.)
Clock Out High
Clock Out Low
Ramp Peak
*
Ramp Valley
*
Ramp Valley to Peak
*
Error Amplifier Section
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Gain
CMRR
PSRR
Output Sink Current
Output Source Current
Output High Voltage
Output Low Voltage
Unity Gain Bandwidth
*
Slew Rate
*
T
O
= 25
°
C, I
O
= 1mA
10V < V
CC
< 30V
1mA < I
O
< 10mA
T
MIN
< T
A
< T
MAX
Line, Load, Temperature
10Hz < f < 10kHz
T
J
= 125
°
C, 1000hrs.
V
REF
= 0V
5.05
5.10
2
5
0.2
5.15
20
20
0.4
5.20
5.00
5.10
2
5
0.2
5.20
20
20
0.4
5.25
V
mV
mV
mV/
°
C
V
μ
V
mV
mA
5.00
4.95
50
5
-50
50
5
-50
25
-100
25
-15
-15
-100
T
J
= 2
°
C
10V < V
CC
< 30V
T
MIN
< T
A
< T
MAX
Line, Temperature
360
400
0.2
5
440
2
360
400
0.2
5
440
2
kHz
%
%
kHz
340
460
340
460
3.9
4.5
2.3
2.8
1.0
1.8
3.9
4.5
2.3
2.8
1.0
1.8
V
V
V
V
V
2.9
3.0
1.25
2.0
2.9
3.0
1.25
2.0
2.6
0.7
1.6
2.6
0.7
1.6
10
3
1
15
3
1
mV
μ
A
μ
A
dB
dB
dB
mA
mA
V
V
MHz
V/
μ
s
0.6
0.1
95
95
110
2.5
-1.3
4.7
0 .5
5.5
12
0.6
0.1
95
95
110
2.5
-1.3
4.7
0.5
5.5
12
1V < V
O
< 4V
1.5V < V
CM
< 5.5V
10V < V
CC
< 30V
V
PIN 3
= 1V
V
PIN 3
= 4V
I
PIN 3
= -0.5mA
I
PIN 3
= 1mA
60
75
85
1
-0.5
4.0
0
3
6
60
75
85
1
-0.5
4.0
0
3
6
5.0
1.0
5.0
1.0
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