KA5S-SERIES

6

°C unless otherwise specified)

Note:

1. These parameters are the current flowing in the control IC.

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

3. These parameters, although guaranteed, are tested in EDS(wafer test) process

4. These parameters are indicated Inductor current.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

UVLO SECTION

Start Threshold Voltage

14

15

16

V

Stop Threshold Voltage

8

9

10

V

OSCILLATOR SECTION

Initial Frequency

-18

20

22

kHz

Voltage Stability

12V

0

1

3%

Temperature Stability (Note2)

-25

°C ≤ Τa≤ 85°C0

±5

±10

%

Maximum Duty Cycle

-92

95

98

%

Minimum Duty Cycle

--

-

0

%

FEEDBACK SECTION

Feedback Source Current

0.7

0.9

1.1

mA

Shutdown Feedback Voltage

≥ 6.9V

6.9

7.5

8.1

V

Shutdown Delay Current

3.0

4.0

5.0

SYNC. & SOFTSTART SECTION

Softstart Voltage

4.7

5.0

5.3

V

Softstart Current

0.75

0.95

1.15

mA

Sync High Threshold Voltage(Note3)

-

7.0

-

V

Sync Low Threshold Voltage(Note3)

-

6.0

-

V

CURRENT LIMIT(SELF-PROTECTION)SECTION

Peak Current Limit (Note4)

KA5S0765C

3.52

4.0

4.48

A

KA5S0965

5.28

6.0

6.72

KA5S12656

5.28

6.0

6.72

KA5S1265

7.04

8.0

8.96

PROTECTION SECTION

Over Voltage Protection

≥ 24V

23

25

28

V

Over Current Latch voltage(Note3)

-

0.9

1.0

1.1

V

Thermal Shutdown Tempature(Note2)

TSD

-

140

160

-

°C

TOTAL DEVICE SECTION

Start Up Current

-

0.1

0.17

mA

Operating Supply Current(Note1)

-7

12

mA