UC3525 データシートの表示（PDF） - Fairchild Semiconductor
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UC3525 Datasheet PDF : 8 Pages
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UC3525A
Electrical Characteristics
(VCC = 20V, TA = 0 to +85°C, unless otherwise specified)
Parameter
ERROR AMPLIFIER SECTION (VCM = 5.1V)
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
PWM COMPARATOR SECTION
Minimum Duty Cycle
Maximum Duty Cycle
Input Threshold Voltage (Note 2)
Input Threshold Voltage (Note 2)
SOFT-START SECTION
Soft Start Current
Soft Start Low Level Voltage
Shutdown Threshold Voltage
Shutdown Input Current
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 (Note 1)
Fall Time (Note 1)
STANDBY CURRENT
Supply Current
Symbol
VIO
IBIAS
IIO
GVO
CMRR
PSRR
D(MIN)
D(MAX)
VTH1
VTH2
ISOFT
VSL
VTH(SD)
IN(SD)
VOL I
VOL II
VCH I
VCH II
VUV
ILKG
tR
tF
ICC
Conditions
-
-
-
RL ≥10MΩ
VCM = 1.5 to 5.2V
VCC = 8 to 3.5V
-
-
Zero Duty Cycle
Max Duty Cycle
VSD = 0V, VSS = 0V
VSD = 25V
-
VSD = 2.5V
ISINK = 20mA
ISINK = 100mA
ISOURCE = 20mA
ISOURCE = 100mA
V8 and V9 = High
VCC = 35V
CL = 1uF, TJ = 25°C
CL = 1uF, TJ = 25°C
VCC = 35V
Min. Typ. Max. Unit
- 1.5 10 mV
-
1 10 µA
- 0.1 1 µA
60 80 - dB
60 90 - dB
50 60 - dB
-
-
0%
45 49 - %
0.7 0.9 - V
- 3.2 3.6 V
25 51 80 µA
- 0.3 0.7 V
0.6 0.8 1 V
- 0.3 1 mA
- 0.1 0.4 V
- 0.05 2 V
18 19 - V
17 18 - V
678V
- 80 200 µA
- 80 600 ns
- 70 300 ns
- 12 20 mA
Notes :
1. These parameters. although guaranteed over the recommended operating conditions, are not 100% tested in production
2. Tested at fOSC=40 KHz (RT =3.6K, CT =0.01uF, RI = 0Ω)
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