SC1406

© 1999 SEMTECH CORP.

652 MITCHELL ROAD

NEWBURY PARK CA 91320

PORTABLE PENTIUM

POWER SUPPLY CONTROLLER

PRELIMINARY - August 27, 1999

5

Pentium is a registered trademark of Intel Corporation

ELECTRICAL CHARACTERISTICS (CONT.)

Unless specified: -0 < T

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Current Limit Comparator (CL, CLREF, CLSET)

Input Bias Current

+I

CL

V

5

µA

Current Limit Setting Current

|+I

V

= 10mV

7.5

µA

*The Tamky device is required to

meet the CL setting current

V

= -10mV

5.0

requirements for R

“17k

Ω and 170kΩ or “42.5kΩ and

R

V

= 10mV

262.5

300

337.5

µA

20k

Ω”. Supplier production testing

will use the 17k

Ω /170kΩ

V

= -10mV

175

200

225

combination or the 42.5k

Ω /20kΩ

combination.

R

V

= 10mV

19.5

30

40.5

µA

V

= -10mV

13

20

27

R

V

= 10mV

100.5

120

139.5

µA

V

= -10mV

67

80

93

R

V

= 10mV

222

255

288

µA

V

= -10mV

148

170

192

Input Offset Voltage

V

CL -

V

CLREF

V

±4

±6

mV

Propagation Delay Time**

Measured at the device pins, from

the trip point to 50% of CO

transition

T

pd_CL-CO

V

+50mV

step with +20mV overdrive,

T

100

T

150

ns

V

-50mV step with -20mV overdrive,

T

100

T

150