参数资料
型号: KA3525A
厂商: Fairchild Semiconductor
文件页数: 3/6页
文件大小: 0K
描述: IC REG CTRLR PWM VM 16-DIP
标准包装: 25
PWM 型: 电压模式
输出数: 2
频率 - 最大: 430kHz
占空比: 49%
电源电压: 7 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 16-DIP(0.300",7.62mm)
包装: 管件
其它名称: KA3525A-ND
KA3525AFS
KA3525A
Electrical Characteristics (Continued)
(V CC = 20V, T A = 0 to +70 ° C, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ. Max. Unit
ERROR AMPLIFIER SECTION (V CM = 5.1V)
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
V IO
I BIAS
I IO
G VO
CMRR
PSRR
-
-
-
R L ≥ 10M ?
V CM = 1.5 to 5.2V
V CC = 8 to 3.5V
-
-
-
60
60
50
1.5
1
0.1
80
90
60
10
10
1
-
-
-
mV
μ A
μ A
dB
dB
dB
PWM COMPARATOR SECTION
Minimum Duty Cycle
Maximum Duty Cycle
Input Threshold Voltage (Note2)
Input Threshold Voltage (Note2)
D (MIN)
D (MAX)
V TH1
V TH2
-
-
Zero Duty Cycle
Max Duty Cycle
-
45
0.7
-
-
49
0.9
3.2
0
-
-
3.6
%
%
V
V
SOFT-START SECTION
Soft Start Current
Soft Start Low Level Voltage
Shutdown Threshold Voltage
Shutdown Input Current
I SOFT
V SL
V TH(SD)
I N(SD)
V SD = 0V, V SS = 0V
V SD = 25V
-
V SD = 2.5V
25
-
0.9
-
51
0.3
1.3
0.3
80
0.7
1.7
1
μ A
V
V
mA
OUTPUT SECTION
Low Output Voltage I
Low Output Voltage II
High Output Voltage I
High Output Voltage II
Under Voltage Lockout
Collector Leakage Current
Rise Time (Note1)
Fall Time (Note1)
V OL I
V OL II
V CH I
V CH II
V UV
I LKG
t R
t F
I SINK = 20mA
I SINK = 100mA
I SOURCE = 20mA
I SOURCE = 100mA
V 8 and V 9 = High
V CC = 35V
C L = 1uF, T J = 25 ° C
C L = 1uF, T J = 25 ° C
-
-
18
17
6
-
-
-
0.1
0.05
19
18
7
80
80
70
0.4
2
-
-
8
200
600
300
V
V
V
V
V
μ A
ns
ns
STANDBY CURRENT
Supply Current
I CC
V CC = 35V
-
12
20
mA
Note :
1. These parameters. although guaranteed over the recommended operating conditions, are not 100% tested in production
2. Tested at f OSC =40kHz (R T =3.6K, C T =0.01uF, R I = 0 ? )
3
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