KA3525A.. datasheet(4/8 Pages) ONSEMI

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KA3525A

Electrical Characteristics (Continued)

(VCC = 20V, TA = 0 to +70

°C, unless otherwise specified)

Note :

1. These parameters. although guaranteed over the recommended operating conditions, are not 100% tested in production

2. Tested at fOSC=40kHz (RT =3.6K, CT =0.01uF, RI = 0

Ω)

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

ERROR AMPLIFIER SECTION (VCM = 5.1V)

Input Offset Voltage

VIO

-1.5

Input Bias Current

IBIAS

-1

µA

Input Offset Current

IIO

-0.1

µA

Open Loop Voltage Gain

GVO

≥ 10MΩ

Common Mode Rejection Ratio

CMRR

VCM = 1.5 to 5.2V

Power Supply Rejection Ratio

PSRR

VCC = 8 to 3.5V

PWM COMPARATOR SECTION

Minimum Duty Cycle

D(MIN)

Maximum Duty Cycle

D(MAX)

Input Threshold Voltage (Note2)

VTH1

Zero Duty Cycle

0.7

0.9

Input Threshold Voltage (Note2)

VTH2

Max Duty Cycle

3.2

3.6

SOFT-START SECTION

Soft Start Current

ISOFT

VSD = 0V, VSS = 0V

µA

Soft Start Low Level Voltage

VSL

VSD = 25V

0.3

0.7

Shutdown Threshold Voltage

VTH(SD)

0.9

1.3

1.7

Shutdown Input Current

IN(SD)

VSD = 2.5V

0.3

OUTPUT SECTION

Low Output Voltage I

VOL I

ISINK = 20mA

0.1

0.4

Low Output Voltage II

VOL II

ISINK = 100mA

0.05

High Output Voltage I

VCH I

ISOURCE = 20mA

High Output Voltage II

VCH II

ISOURCE = 100mA

Under Voltage Lockout

VUV

V8 and V9 = High

678

Collector Leakage Current

ILKG

VCC = 35V

200

µA

Rise Time (Note1)

CL = 1uF, TJ = 25

°C

600

Fall Time (Note1)

CL = 1uF, TJ = 25

°C

300

STANDBY CURRENT

Supply Current

ICC

VCC = 35V

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