R2A20133ASP

Preliminary

R03DS0049EJ0300 Rev.3.00

Page 6 of 13

Nov 27, 2012

Electrical Characteristics (cont.)

(Ta = 25°C, VCC = 12 V, CS = 0.1 V, FB = COMP, OVP2 = 0 V, RRT = 200 k

)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Rise time

tr-out

—

35

100

ns

CL = 1000 pF

tr

90%

10%

Fall time

tf-out

—

35

100

ns

CL = 1000 pF

tf

90%

10%

Vol1-out

—

0.08

0.2

V

Isink = 20 mA

Out low voltage

Vol2-out

—

0.05

0.7

V

Isink = 10 mA, VCC = 5 V

Out

Out high voltage

Voh-out

11.5

11.8

—

V

Isource = –20 mA

Over

current

protection

OCP threshold voltage

Vocp

–0.63

–0.6

–0.57

V

Dynamic OVP threshold voltage

Vdovp

—

Vfb



1.040

—

V

*

1

Dynamic UVP threshold voltage

Vduvp

—

Vfb



0.920

—

V

*

1

Static OVP threshold voltage

Vsovp

Vfb



1.075

Vfb



1.090

Vfb



1.105

V

Static OVP hysteresis

Hys-sovp

50

100

150

mV

FB low detect threshold voltage

Vfblow

0.25

0.3

0.35

V

FB low detect hysteresis

Hysfblow

0.16

0.20

0.24

V

OVP2 threshold voltage

Vovp2

Vfb



1.075

Vfb



1.090

Vfb



1.105

V

Over &

Under

voltage

protection

OVP2 source current

Isrc-ovp2

–0.40

–0.15

–0.05

A

Note:

*1 Design spec