SC185

© 2010 Semtech Corp.

Notes:

(10) The “Output Voltage Tolerance” includes output voltage accuracy, voltage drift over temperature and the line regulation.

(11) A negative current means the current flows into the pin and a positive current means the current flows out from the pin.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Impedence of PGOOD Low

R

PGOOD_LO

10

Ω

PGOOD Threshold

V

PG_TH

VOUT rising

90

%

PGOOD Delay

V

PG_DLY

Asserted

2

ms

PGOOD= Low

20

µs

EN Delay

t

EN_DLY

From EN Input High to SS starts rising

50

µs

I

EN_

EN =AVIN or AGND

-2.0

2.0

µA

EN Input High Threshold

V

EN_HI

1.2

V

EN Input Low Threshold

V

EN_LO

0.4

V

I

MODE_

MODE= AVIN or AGND

-2.0

2.0

µA

MODE Input High Threshold

V

MODE_HI

1.2

V

MODE Input Low Threshold

V

MODE_LO

0.4

V

V

V

OVP

110

115

120

%

Thermal Shutdown Temperature

T

SD

160

°C

Thermal Shutdown Hysteresis

T

SD_HYS

10

°C

Electrical Characteristics (continued)

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