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PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

Supply Voltage

2.0

-

10.0

V

①

Maximum Input Voltage

10.0

-

-

V

①

Output Voltage Range (*1)

2.0

-

6.0

V

①

Supply Current 1

FB = 0V

-

90

170

μ

A

②

Supply Current 2

FB = 1.0V

-

55

110

μ

A

②

Stand-by Current

-

-

3.0

μ

A

②

Oscillation Frequency

FOSC

255

300

345

kHz

②

FB Voltage

0.882

0.900

0.918

V

③

Minimum Operation Voltage

-

-

2.0

V

①

Maximum Duty Ratio

MAXDTY

72

78

88

%

②

Minimum Duty Ratio

MINDTY

-

-

0

%

②

PFM Duty Ratio

PFMDTY

22

30

38

%

④

Efficiency (*2)

EFFI

-

84

-

%

④

Soft-Start Time

TSS

5.0

10.0

20.0

ms

④

EXT1 "High" ON Resistance

-

26

37

Ω

⑤

EXT1 "Low" ON Resistance

FB = 0V, EXT1 = 0.4V

-

19

30

Ω

⑤

EXT2 "High" ON Resistance

-

23

31

Ω

⑤

EXT2 "Low" ON Resistance

-

19

30

Ω

⑤

PWM "High" Voltage

No Load

0.65

-

-

V

④

PWM "Low" Voltage

No Load

-

-

0.20

V

④

CE "High" Voltage

FB = 0V

0.65

-

-

V

②

CE "Low" Voltage

FB = 0V

-

-

0.2

V

②

CE "High" Current

-

-

0.5

μ

A

②

CE "Low" Current

CE = 0V

-

-

- 0.5

μ

A

②

PWM "High" Current

-

-

0.5

μ

A

②

PWM "Low" Current

PWM=0V

-

-

- 0.5

μ

A

②

FB "High" Current

-

-

0.50

μ

A

②

FB "Low" Current

FB = 1.0V

-

-

- 0.50

μ

A

②

■

ELECTRICAL CHARACTERISTICS

(FOSC = 300kHz)

Ta=25℃

XC9303B093

NOTE *1: Please be careful not to exceed the breakdown voltage level of the external components.

*2: EFFI={ [ (output voltage) x (output current) ] / [ (input voltage) x (input current) ] } x 100

*3: Tr1:

CPH6315

(SANYO)

Tr2:

CPH3409

(SANYO)

Tr3:

CPH3409

(SANYO)

SD:

CMS02

(TOSHIBA)

L:

22μH

(CDRH127/LD, SUMIDA)

16V, 47μF x 2

(Tantalum MCE Series, NICHICEMI)

16V, 47μF

(Tantalum MCE Series, NICHICEMI)

200kΩ

75kΩ

62pF