SC1406A 데이터 시트보기 (PDF) - Semtech Corporation
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SC1406A Datasheet PDF : 17 Pages
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PORTABLE PENTIUM® II & III
POWER SUPPLY CONTROLLER
SC1406A
January 28, 2000
ELECTRICAL CHARACTERISTICS (CONT.)
Unless specified: -0 < TA < 100°C; VCC = 3.3V (See test circuit)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Current Limit Comparator (CL, CLREF, CLSET)
Input Bias Current
Current Limit Setting Current
+ ICL
|+ ICLREF|
*The Tamky device is required to
meet the CL setting current
requirements for RCLSET of
“17kΩ and 170kΩ or “42.5kΩ and
20kΩ”. Supplier production testing
will use the 17kΩ /170kΩ
combination or the 42.5kΩ /20kΩ
combination.
VCS = 1.3V
5
µA
RCLSET = open
VCLREF-VCL
= 10mV
7.5
µA
VCLRER-VCL
5.0
= -10mV
RCLSET = 17kΩ∗
VCLREF-VCL 262.5 300 337.5 µA
= 10mV
VCLREF-VCL 175 200 225
= -10mV
RCLSET = 170kΩ∗
VCLREF-VCL 19.5 30 40.5 µA
= 10mV
VCLREF-VCL 13
20
27
= -10mV
RCLSET = 42.5kΩ∗
VCLRER-VCL 100.5 120 139.5 µA
= 10mV
VCLRER-VCL 67
80
93
= -10mV
RCLSET = 20kΩ∗
VCLREF-VCL 222 255 288 µA
= 10mV
VCLRER-VCL 148 170 192
= -10mV
Input Offset Voltage
Propagation Delay Time**
Measured at the device pins, from
the trip point to 50% of CO
transition
VCL -
VCLREF
Tpd_CL-CO
VCLREF = 1.3V
VCMPREF = 1.3V, ∆ VCMP = +50mV
step with +20mV overdrive,
TA = 25°C,
TA = full range
VCMPREF = 1.3V, ∆ VCMP =
-50mV step with -20mV overdrive,
TA = 25°C,
±4 ±6 mV
100
150 ns
100
TA = full range
150
© 2000 SEMTECH CORP.
Pentium is a registered trademark of Intel Corporation
6
652 MITCHELL ROAD NEWBURY PARK CA 91320
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