SC121

4

Parameter

Symbol

Conditions

Min

Typ

Max

Units

P-Channel ON Resistance

R

DSP

V

OUT

= 3.3V

0.6

Ω

N-Channel ON Resistance

R

DSN

V

OUT

= 3.3V

0.5

Ω

N-Channel Current Limit

I

LIM(N)

V

IN

= 3.0V

0.9

1.2

A

P-Channel Startup Current Limit

I

LIM(P)-SU

V

IN

> V

OUT

, V

EN

> V

IH

150

mA

LX Leakage Current PMOS

I

LXP

T

A

= 25°C, V

LX

= 0V

1

μA

LX Leakage Current NMOS

I

LXN

T

A

= 25°C, V

LX

= 3.3V

1

μA

Logic Input High

V

IH

V

IN

= 3.0V

0.85

V

Logic Input Low

V

IL

V

IN

= 3.0V

0.2

V

Logic Input Current High

I

IH

V

EN

= V

IN

= 3.0V

1

μA

Logic Input Current Low

I

IL

V

EN

= 0V

-0.2

μA

Electrical Characteristics (continued)

NOTES:

(1)

Quiescent operating current is drawn from OUT while in regulation. The quiescent operating current projected to IN is approximately

I

Q

× (V

OUT

/V

IN

).