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参数资料
| 型号： | 5962-8764502EA |
| 元件分类： | 稳压器 |
| 英文描述： | 0.2 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封装： | DIP-16 |
| 文件页数： | 3/9页 |
| 文件大小： | 419K |
| 代理商： | 5962-8764502EA |
3
UC1524A
UC2524A
UC3524A
PARAMETER
TEST CONDITIONS
UC1524A / UC2524A
UC3524A
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Oscillator Section (Unless otherwise specified, RT = 2700
, CT = 0.01 mfd)
Initial Accuracy
TJ = 25°C
414345394347
kHz
Over Operating Range
40.2
45.9
38.2
47.9
kHz
Temperature Stability*
Over Operating Temperature Range
1
2
1
2
%
Minimum Frequency
RT = 150k
, CT = 0.1mfd
140
120
Hz
Maximum Frequency
RT = 2.0k
, CT = 470pF
500
kHz
Output Amplitude*
3
3.5
3
3.5
V
Output Pulse Width*
0.29
0.5
1.0
0.3
0.5
1.0
s
Ramp Peak
3.3
3.5
3.7
3.3
3.5
3.7
V
Ramp Valley
TJ = 25°C
0.7
0.8
0.9
0.7
0.8
0.9
V
Ramp Valley T.C.
-1.0
mV/°C
Error Amplifier Section (Unless otherwise specified, VCM = 2.5V)
Input Offset Voltage
0.5
5
2
10
mV
Input Bias Current
1
5
1
10
A
Input Offset Current
.05
1
0.5
1
A
Common Mode Rejection Ratio VCM = 1.5 to 5.5V
70
80
70
80
dB
Power Supply Rejection Ratio
VIN = 10 to 40V
70
80
70
80
dB
Output Swing (Note 1)
5.0
0.5
5.0
0.5
V
Open Loop Voltage Gain
VO= 1 to 4V, RL ≥ 10M
72
80
64
80
dB
Gain-Bandwidth*
TJ = 25°C, AV = 0dB
1
3
1
3
MHz
DC Transconductance*§
TJ = 25°C, 30k
≤ RL ≤ 1M
1.7
2.3
1.7
2.3
mS
P.W.M. Comparator (RT = 2k
, CT = 0.01mfd)
Minimum Duty Cycle
VCOMP = 0.5V
0
%
Maximum Duty Cycle
VCOMP = 3.8V
45
%
Current Limit Amplifier (Unless otherwise specified, Pin 5 = 0V)
Input Offset Voltage
TJ = 25°C, E/A Set for Maximum
Output
190
200
210
180
200
220
mV
Over Operating Temperature Range
180
220
170
230
mV
Input Bias Current
-1
-10
-1
-10
A
Common Mode Rejection Ratio V(pin 5) = -0.3V to + 5.5V
50
60
50
60
dB
Power Supply Rejection Ratio
VIN = 10 to 40V
50
60
50
60
dB
Output Swing (Note 1)
Minimum Total Range
5.0
0.5
5.0
0.5
V
Open-Loop Voltage Gain
VO = 1 to 4V, RL ≥ 10M
70
80
70
80
dB
Delay Time*
Pin 4 to Pin 9,
VIN = 300mV
300
ns
Output Section (Each Output)
Collector Emitter Voltage
IC = 100
A
6080
V
Collector Leakage Current
VCE = 50V
.1
20
.1
20
A
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = -55°C to +125°C for the
UC1524A, -25° to +85°C for the UC2524A, and 0°C to + 70°C for the UC3524A; VIN
= VC = 20V, TA =TJ.
* These parameters are guaranteed by design but not 100% tested in production.
§ DC transconductance (gM) relates to DC open-loop voltage gain according to the following equation: AV =gMRL
where RL is the resistance from pin 9 to the common mode voltage.
The minimum gM specification is used to calculate minimum AV when the error amplifier output is loaded.
Note 1: Min Limit applies to output high level, max limit applies to output low level.
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