KA1M0265R/KA1H0265R

4

(Ta=25

°C unless otherwise specified)

Note:

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

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

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

UVLO SECTION

Start Threshold Voltage

-14

15

16

V

Stop Threshold Voltage

After turn on

9

10

11

V

OSCILLATOR SECTION

Initial Accuracy

KA1M0265R

61

67

73

kHz

KA1H0265R

90

100

110

∆F/∆T-25°C ≤ Ta ≤ +85°C-

±5

±10

%

Maximum Duty Cycle

Dmax

KA1M0265R

74

77

80

%

KA1H0265R

64

67

70

FEEDBACK SECTION

Feedback Source Current

Ta=25

°C, 0V ≤ Vfb ≤ 3V

0.7

0.9

1.1

mA

Shutdown Feedback Voltage

-

6.9

7.5

8.1

V

Shutdown Delay Current

Idelay

Ta=25

5.0

6.0

µA

REFERENCE SECTION

Vref

Ta=25

°C

4.80

5.00

5.20

V

Vref/

∆T-25°C ≤ Ta ≤ +85°C-

0.3

0.6

mV/

°C

CURRENT LIMIT (SELF-PROTECTION) SECTION

Peak Current Limit

Max. inductor current

1.05

1.2

1.35

A

PROTECTION SECTION

-

140

160

-

°C

Over Voltage Protection Voltage

-23

25

28

V

TOTAL DEVICE SECTION

Start-Up Current

0.1

0.3

0.4

mA

Operating Supply Current

(Control Part Only)

Ta=25

°C6

12

18

mA

30

32.5

35

V