KA3511D データシートの表示（PDF） - Fairchild Semiconductor

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KA3511D

INTELLIGENT VOLTAGE MODE PWM IC

Fairchild Semiconductor 

INTELLIGENT VOLTAGE MODE PWM IC

KA3511/D

ELECTRICAL CHARACTERISTICS (VCC=20V, TA=25°C)

Characteristic

Symbol

Test Condition

REFERENCE SECTION

Reference output voltage

Vref

Line regulation

Load regulation

Temperature coefficient of Vref (1)

∆Vref.LINE

∆Vref.LOAD

∆Vref/∆T

Short-circuit output current

ISC

OSCILLATOR SECTION

Oscillation frequency

fosc

Frequency change with

temperature (1)

fosc/T

DEAD TIME CONTROL SECTION

Input bias current

Maximum duty voltage

Input threshold voltage

IB(DT)

DCMAX

VTH(DT)

ERROR AMP SECTION

Inverting reference voltage

Input bias current

Open-loop voltage gain (1)

Unit-gain bandwidth (1)

Output sink current

Output source current

PWM COMPARATOR SECTION

Input threshold voltage

OUTPUT SECTION

Output saturation voltage

Collector off-state current

Rising time

Falling time

PROTECTION SECTION

Over voltage protection for 3.3V

Vref(EA)

IB(EA)

GVO

BW

ISINK

ISOURCE

VTH(PWM)

VCE(SAT)

IC(off)

TR

TF

VOVP1

Iref=1mA

14V≤VCC≤30V

1mA≤Iref≤10mA

-25°C≤Ta≤85°C

Vref=0

CT=0.01uF, RT=12k

CT=0.01uF, RT=12k

Pin19 (DTC)=0V

Zero Duty Cycle

Max. Duty Cycle

VCOMP=2.5V

0.5V≤VCOMP≤3.5V

VCOMP=0.7V

VCOMP=3.5V

Zero Duty Cycle

IC=200mA

VCC=VC=30V, VE=0V

Min.

4.9

–

–

–

15

–

–

–

45

–

0

1.20

–

70

–

0.3

-2.0

–

–

–

–

–

3.8

Value

Typ.

5

2.0

1.0

0.01

35

10

2

-2.0

48

3.0

–

1.25

-0.1

95

650

0.9

-4.0

4

1.1

2

100

50

4.1

Max.

5.1

25

15

–

75

–

–

-10

50

3.3

–

1.30

-1.0

–

–

–

–

4.5

1.3

100

200

200

4.3

Unit

V

mV

mV

%/°C

mA

kHz

%

uA

%

V

V

uA

dB

kHz

mA

mA

V

V

uA

ns

ns

V

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