KA7500 데이터 시트보기 (PDF) - Unspecified

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KA7500

single monolithic chip

Unspecified 

Oscillator section (See Figure 1)

Parameter

Frequency

Frequency

Frequency change with temperature *****

Test conditions*

CT=0.01µF,RT=12KΩ,TA=25°C

CT=0.01µF,RT=12KΩ

CT=0.01µF,RT=12KΩ

ΔTA=MIN TO MAX

K A7500

Value

Unit

MIN

TYP** MAX

9.2

10

10.8

kHz

9.0

-

12

2

Amplifier section (See Figure 2)

Parameter

Input offset voltage

Input offset current

Input blas current

Common-mode input voltage range

Open-loop voltage amplification

Unity-gain bandwidth

Output Section

Test conditions

Vo(pin 3)=2.5V

Vo(pin 3)=2.5V

Vo(pin 3)=2.5V

Vcc=7V to 40V

ΔVo=3V,RL=2KΩ,

Value

Unit

MIN

TYP* MAX

2

10

mV

25

250

nA

0.2

1

µA

-0.3 to Vcc-2

V

70

95

dB

650

kHz

Parameter

Test conditions

Value

Unit

MIN

TYP** MAX

Collector off-state current

VCE=40V,Ccc=40V

2

100

µA

Emitter off-state current

Vcc=Vc=40V,VE=0

-100

Collector-emitter saturation voltage Common-emitter VE=0,Ic=200mA

1.1

1.3

V

Emitter-follower VC=15V,IE=-200mA

1.5

2.5

Output control input current

VI=Vref

3.5

mA

Dead -Time Control - Section(See Figure

1)

Parameter

Input bias current (pin 4)

Maximum duty cycle, each output

Input threshold voltage (pin 4)

Test conditions

Value

Unit

MIN TYP** MAX

VI=0 to 5.25V

-2

-10

µA

VI(pin 4)=0,O.C.=Vref

45

%

Zero duty cycle

3

3.3

V

Maximum duty cycle

0

P M Comparator Section(See Figure 1)

Parameter

Input threshold voltage(pin 3)

Input sink current (pin 3)

Test conditions

Zero duty cycle

V(pin 3)=0.7V

Value

Unit

MIN TYP** MAX

4

4.5

V

0.3

0.7

mA

BEIJING ESTEK ELECTRONICS CO.,LTD

3

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