KA5Q0740RT

5

(Ta=25

°C unless otherwise specified)

Note:

1. These parameters is the current flowing in the Control IC.

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

3. These parameters indicate Inductor Current.

Parameter

Symbol

Condition

Min.

Typ. Max.

Unit

SYNC SECTION

Normal Sync High Threshold Voltage

Vcc = 16V, Vfb = 5V

4.0

4.6

5.2

V

Normal Sync Low Threshold Voltage

Vcc = 16V, Vfb = 5V

2.3

2.6

2.9

V

Burst Sync High Threshold Voltage

Vcc = 10.5V, Vfb = 0V

3.2

3.6

4.0

V

Burst Sync Low Threshold Voltage

Vcc = 10.5V, Vfb = 0V

1.1

1.3

1.5

V

BURST MODE SECTION

Burst mode Low Threshold Voltage

Vfb = 0V

10.4 11.0 11.6

V

Burst mode High Threshold Voltage

Vfb = 0V

11.4 12.0 12.6

V

Burst mode Enable Feedback Voltage

Vcc = 10.5V

0.7

1.0

1.3

V

Burst mode Peak Current Limit

Vcc = 10.5V

0.65 0.85

1.1

A

PRIMARY SIDE REGULATION SECTION

Primary Regulation Threshold Voltage

Ifb = 700uA, Vfb = 4V

32.0 32.5 33.0

V

Primary Regulation Transconductance

-

2.0

2.6

-

mA/V

CURRENT LIMIT(SELF-PROTECTION)SECTION

Peak Current Limit(Note3)

-

4.4

5.0

5.6

A

TOTAL DEVICE SECTION

Start Up Current

-

0.1

0.2

mA

Operating Supply Current (Note1)

-10

18

mA