KA5Q0765RT datasheet(6/16 Pages) FAIRCHILD

Teilenummer	KA5Q0765RT

Bauteilbeschribung	Fairchild Power Switch(FPS)

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Hersteller	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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6 / 16 page

KA5Q-SERIES

6

Electrical Characteristics (Control Part)

(Ta=25

°C unless otherwise specified)

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

UVLO SECTION

Start Threshold Voltage

VSTART

VFB=GND

14

15

16

V

Stop Threshold Voltage

VSTOP

VFB=GND

8

9

10

V

OSCILLATOR SECTION

Initial Frequency

FOSC

-

182022

kHz

Voltage Stability

FSTABLE

12V

≤ VCC ≤ 23V

0

1

3%

Temperature Stability (Note2)

∆FOSC

-25

°C ≤ Τa≤ 85°C0

±5

±10

%

Maximum Duty Cycle

DMAX

-

929598

%

Minimum Duty Cycle

DMIN

--

-

0

%

FEEDBACK SECTION

Feedback Source Current

IFB

VFB=GND

0.7

0.9

1.1

mA

Shutdown Feedback Voltage

VSD

VFB

≥ 6.9V

6.9

7.5

8.1

V

Shutdown Delay Current

IDELAY

VFB=5V

456

µA

SYNC. SECTION

Normal Sync High Threshold Voltage

VNSH

VCC=16V, Vfb=5V

4.0

4.6

5.2

V

Normal Sync Low Threshold Voltage

VNSL

VCC=16V, Vfb=5V

2.3

2.6

2.9

V

Burst Sync High Threshold Voltage

VBSH

VCC=10.5V, Vfb=0V

3.2

3.6

4.0

V

Burst Sync Low Threshold Voltage

VBSL

VCC=10.5V, Vfb=0V

1.1

1.3

1.5

V

BURST MODE SECTION

Burst Mode Low Threshold Voltage

VBURL

VFB=0V

10.4

11.0

11.6

V

Burst Mode High Threshold Voltage

VBURH

VFB=0V

11.4

12.0

12.6

V

Burst Mode Enable Feedback Voltage

VBEN

VCC=10.5V

0.7

1.0

1.3

V

Burst Mode Peak Current Limit(Note4)

IBURPK

VCC=10.5V , VFB=0V

0.65

0.85

1.1

A

CURRENT LIMIT(SELF-PROTECTION)SECTION

Peak Current Limit (Note4)

IOVER

KA5Q0765RT

4.40

5.00

5.60

A

KA5Q12656RT

5.28

6.00

6.72

KA5Q1265RF

7.04

8.00

8.96

KA5Q1565RF

10.12 11.50 12.88

PROTECTION SECTION

Over Voltage Protection

VOVP

VSYNC

≥ 11V

11

12

13

V

Over Current Latch voltage(Note3)

VOCL

-

0.9

1.0

1.1

V

Thermal Shutdown Tempature(Note2)

TSD

-

140

160

-

°C

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