KA3511BS データシートの表示（PDF） - Fairchild Semiconductor

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KA3511BS

Intelligent Voltage Mode PWM IC

Fairchild Semiconductor 

Electrical Characteristics (Vcc=20V, Ta=25°C)

Parameter

Symbol

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

IB(DT)

Maximum duty voltage

DCMAX

Input threshold voltage

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

Condition

Iref=1mA

10V ≤ 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

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

KA3511BS

Max. Unit

5.1

V

25

mV

15

mV

-

%/°C

75

mA

-

kHz

-

%

-10

uA

50

%

3.3

V

-

1.30

V

-1.0

uA

-

dB

-

kHz

-

mA

-

mA

4.5

V

1.3

V

100

uA

200

ns

200

ns

4.3

V

5

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