KA3501 データシートの表示（PDF） - Fairchild Semiconductor

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KA3501

PC SMPS Supervisory IC

Fairchild Semiconductor 

KA3501

Electrical Characteristic

(Refer to the test circuit , Vcc=20V, Ta=25°C, unless otherwise stated)

Parameter

Symbol

Conditions

Min.

Temperature Stability for VREF

∆VREF

-

-

PROTECTION SECTION

Positive Protection Voltage

VPOSI

-

5.7

Negative Protection Voltage

VNEGA Vcc1 = 5V

-1.5

Negative Input Resistor

RNEGA Pin 4 to Pin 5

8.5

Gate Drive Current

IDR VGATE = 0.7 V

-25

REFERENCE SECTION

Reference Input Voltage

VREF IK = 10mA

2.44

Current Stability

∆VREF IK=1mA to 10mA

-

Absolute Precision of Internal Three Resistors Rint

-

-

Relative Deviation of Three Resistors

Rrate

-

-

Temperature Stability (Note1)

∆VREF Ta = 0 to 70 °C

-

Gain Bandwidth (Note1)

GBW GV = 1

-

POWER GOOD SECTION

Detecting Input Voltage

VIN1

-

1.23

Detecting PG Voltage

VDET

-

4.1

Hysteresis Voltage 1

HY1

-

10

Hysteresis Voltage 2

HY2

-

200

Charging Current for PG Delay

ICHG

-

-8

PG Output Resistor

RPG

-

7.7

PG Output Saturation Voltage

VSAT ISINK = 6mA

-

PG Output Leakage Current

IO(LKG)

-

-

TOTAL STANDBY CURRENT

Supply Current

Icc VCC = 20V , VCC1 = 5V -

Typ. Max. Unit

17 - mV

6.0 6.4 V

-2.5 -3.5 V

10 11.5 kΩ

-50 -

V

2.50 2.56 V

5 20 mV

- ±20 %

±0.5 ±3 %

13 17 mV

1

- MHz

1.28 1.33 V

4.3 4.5 V

20 40 mV

250 - mV

-14 -20 uA

9.0 10.3 kΩ

0.2 0.4 V

0.01 1 uA

3 5 mA

Note:

1.These parameters, although guaranteed, are not 100% tested in production

3

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