Notes :

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

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

Symbol

Parameter

Test Conditions

Min

Typ

Max

Units

V

START

Start Threshold Voltage

V

14

15

16

V

STOP

Stop Threshold Voltage

V

8.4

9

9.6

UVLO Section

Initial Accuracy

57

64

71

--

Frequency Change With

Temperature (Note 2)

-25 C

Ta

+85 C

--

5

10

Maximum Duty Cycle

73

77

82

Oscillator Section

I

FB

Feedback Source Current

Ta=25 C, 0V<Vfb<3V

0.7

0.9

1.1

V

SD

Shutdown Feedback Voltage

Vfb>6.5V

5.4

6

6.6

Shutdown Delay Current

45

6

FEEDBACK Section

Reference Section

Electrical Characteristics ( Control Part )

Ta=25 C, unless otherwise specified

V

REF

Reference Output Voltage (Note 1) Ta=25 C

4.8

5

5.2

Vref/ T

Temperature Stability (Note 1 , 2)

-25 C

Ta

+85 C

--

0.3

0.6

mV/ C

I

OVER

Peak Current Limit

Max. inductor current

1.05

1.2

1.34

Protection Section

V

OVP

Over Voltage Protection

20V

20

--

23

T

SD

Thermal Shutdown Temperature

(Tj) (Note 1)

--

140

160

--

C

Protection Section

I

START

Start-up Current

--

100

170

I

OP

Operating Supply Current

(Control Part Only)

20V

--

3

6