PAC27A02 Datasheet, PDF (1/2 Pages) California Micro Devices Corp – P/ACTIVE PRECISION VOLTAGE DIVIDER NETWORK FOR LINEAR TECHNOLOGY LTC1266/LT1431

CALIFORNIA MICRO DEVICES
PRELIMINARY
PAC27A02
P/ACTIVE PRECISION VOLTAGE DIVIDER NETWORK
FOR LINEAR TECHNOLOGY LTC1266/LT1431
Features
• Provides a complete Pentium regulator solution when
combined with a Linear Technology LTC1266/LT1431
Applications
• Linear Technology Pentium 54/55C Power
Supply Regulator
Power Supply Regulator Circuit
PRELIMINARY ^{• MiniatureSOTandSOICpackages}
• Thin film tightly ratio matched resistors using
P/Active technology
Refer to AP-202 Voltage Divider Application Note for
further information.
Product Description
CAMD’s P/Active 27A02 Precision Voltage Divider Network is designed to work with the Linear Technology LTC1266
Synchronous Regulator Controller and LT1431 Programmable Reference commonly used in Pentium P54/P55C power
regulator designs. CAMD’s P/Active technology provides precision ratio tracking over temperature/time required for proper
voltage regulation by the Pentium processor.
STANDARD SPECIFICATIONS
Absolute Tolerance (R)
±5%
Ratio Tracking (0°C ≤ T_A ≤ 70°C)
(Voltage per resistor < 10 volts
and power resistor <25mW)
R1/R2
±1.0%
(R1+R2)/R3
±0.25%
Operating Temperature Range
0°C to 70°C
Power Rating/Resistor
25mW @ 70°C
Storage Temperature
-65°C to 150°C
Package Power Rating
0.225W @ 70°C
SCHEMATIC CONFIGURATION
STANDARD VALUES
Resistor (R)
Value
R1
1150
R2
1350
R3
1000
STANDARD PART ORDERING INFORMATION
Package - Narrow
Ordering Part Number
Pins
Style
Tubes
Bags
Tape & Reel
4
SOT-143
-
PAC27A02T/B
PAC27A02T/R
8
SOIC
PAC27A02S/T
-
PAC27A02S/R
Part Marking
A02T
PAC27A02S
© 2000 California Micro Devices Corp. All rights reserved.
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215 Topaz Street, Milpitas, California 95035
Tel: [phone]
Fax: [phone]
www.calmicro.com
C0860400
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