KA5P0680CYDTU datasheet(4/10 Pages) FAIRCHILD

Nome de Peças	KA5P0680CYDTU

Descrição Electrónicos	Fairchild Power Switch(FPS)

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Fabricante Electrônico	FAIRCHILD [Fairchild Semiconductor]

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KA5P0680C

4

Electrical Characteristics (Control Part) (Continued)

(Ta=25

°C unless otherwise specified)

Note:

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

Parameter

Symbol

Test Condition

Min.

Typ.

Max.

Unit

UVLO SECTION

Start Threshold Voltage

VSTART

-14

15

16

V

Min.Operating Voltage After Turn On

VSTOP

-

8.4

9

9.6

V

OSCILLATOR SECTION

Initial Frequency

FOSC

CT=2n

61

67

73

kHz

Temperature Stability (Note 1)

∆FOSC

-25

°C < Ta ≤ 85°C0

±5

±10

%

Maximum Duty Cycle

DMAX

RT=21k

Ω

85

88

91

%

Offset Voltage

Voffset

-

0.5

0.55

0.6

%

FEEDBACK SECTION

Feedback Source Current

IFB

Vsc = 0V

0.9

1.1

1.3

mA

Shutdown Feedback Voltage

Vsd

Vfb

≥ 6V

6.3

6.9

7.5

V

Shutdown Delay Current

IDELAY

4V

≤ Vfb ≤ Vsd

45

6

µA

CURRENT LIMIT (SELF-PROTECTION) SECTION

Peak Current Limit

IOVER

Max. inductor current

3.52

4

4.48

A

PROTECTION SECTION

Over Voltage Protection

VOVP

Vcc

≥ 22V

25

27

29

V

Thermal Shutdown Temp.

TSD

-

150

170

-

°C

POWER-SAVING MODE SECTION

Power Saving Mode Feedback Volt.

VF(PS)

VCC=16V

0.3

0.4

0.5

V

Power Saving Reset Feedback Volt.

VF(RE)

VCC=16V

0.5

0.6

0.7

V

Power Saving Current

IPS

VCC=16V

-

0.3

0.4

mA

Power Saving Mode Fb Current

Ipfb

VCC=16V

3

4

5

uA

TOTAL DEVICE SECTION

Start Up Current

Istart

Vcc=14V

-

0.1

0.2

mA

Operating Supply Current

IOP

Vcc

≤ 28V

-

10

18

mA

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KA5P0680CYDTU Folha de dados(PDF) 4 Page - Fairchild Semiconductor

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Nº de peça semelhante - KA5P0680CYDTU

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