KA7525B データシートの表示（PDF） - Fairchild Semiconductor

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KA7525B

Power Factor Correction Controller

Fairchild Semiconductor 

KA7525B

Electrical Characteristics

Unless otherwise specified, these specifications apply over the operating ambient temperatures for the KA7525B

with 0°C ≤ Ta ≤ 125°C and Vcc=12V.

Parameter

Symbol

Conditions

UNDER VOLTAGE LOCK OUT SECTION

Start Threshold Voltage

Vth (st) Vcc Increasing

UVLO Hysteresis

HY(st)

-

Supply Zener Voltage

Vz

Icc=10mA

SUPPLY CURRENT SECTION

Start-Up Supply Current

Ist

Vcc < Vth(st)

Operating Supply Current

Icc

No Output Switching

Dynamic Operating Supply Current

Idcc 50kHz, CI =1nF

ERROR AMPLIFIER SECTION

Voltage Feedback Input Threshold

Iref=0mA

Vref

0°C ≤ Ta ≤ 125°C

Line Regulation

∆Vref1 12V ≤ Vcc ≤ 25V

Load Regulation (Note1)

∆Vref2 0mA ≤ Iref ≤ 2mA

Temperature Stability of Vref (Note2) ∆Vref3 0°C ≤ Ta ≤ 125°C

Input Bias Current

Ib(ea)

-

Output Source Current

Isource Vm2=3V

Output Sink Current

Isink Vm2=2V

Output Voltage Range (Note2)

∆Veao No Load on EA Out

Slew Rate (Note2)

SR

-

MULTIPLIER SECTION

Input Bias Current(Pin3)

Ib(m)

-

M1 Input Voltage Range (Pin3)

∆Vm1

-

M2 Input Voltage Range (Pin2)

∆Vm2

-

Multiplier Gain(Note3)

K

Vm1=1V, ∆Vm2= 2.7 to 3.3V

Maximum Multiplier Output Voltage Vomax(m) Vea(-) = 0V, Vm1=2V

Temperature Stability of K (Note2)

∆K/∆T 0°C ≤ Ta ≤ 125°C

Min. Typ. Max. Unit

9 10 11 V

1.7 2.1 2.5 V

30 36

-

V

- 0.2 0.3 mA

-

4

8 mA

-

5

10 mA

2.465 2.5 2.535 V

2.44 - 2.56 V

- 0.1 10 mV

- 0.1 10 mV

- 20

- mV

-0.5 -

0.5 µA

-2 -4.5 - mA

3 4.5 - mA

1.2 - 3.6 V

- 0.6 - V/µs

-0.5 -

0.5 µA

0

-

2

V

Vref - Vref+1 V

0.55 0.68 0.8 1/V

1.1 1.24 1.45 V

- -0.2 - %/°C

4

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