Datasheet > PAC27A03ST

PAC27A03ST

更新时间： 2024-09-25 22:22:27

品牌	Logo	应用领域
CALMIRCO		/
页数	文件大小	规格书
2页	127K
描述
P/ACTIVE PRECISION VOLTAGE DIVIDER NETWORK FOR LINEAR TECHNOLOGY LT1430/1017

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PAC27A03ST 数据手册

CALIFORNIA MICRO DEVICES

PAC 27A03

P/ACTIVE PRECISION VOLTAGE DIVIDER

NETWORK FOR LINEAR TECHNOLOGY LT1430/1017

Features

Applications

Provides a complete Pentium Pro regulator

solution when combined with a Linear Technology

LTC1430/LT1017 Power Supply Regulator Chip

Thin film tightly ratio matched resistors

using P/Active technology

Pentium Pro Power Supply Regulator

Refer to AP-202 Voltage Divider Application Note for

further information.

SOIC and QSOP Package

Product Description

CMDs P/Active 27A03 Precision Voltage Divider Network is designed to work with the Linear Technology LTC1430 High

Power Step-down Switching Regulator Controller. CMDs P/Active technology provides precision ratio tracking over tem-

perature range required for the proper voltage regulation in Pentium Pro-based regulator designs.

STANDARD SPECIFICATIONS

SCHEMATIC CONFIGURATION

Absolute Tolerance (R) ±5%

Ratio Tracking (0^oC ≤ TA ≤ 70^oC)

R10

(Voltage per resistor <10 volts and power

per resistor <25mW)

R9 R8 R7 R6 R2

R13

R11/R12

R1/R6

±0.25%

R11

R12

11 10

R1/R7

R1/R8

±0.5%

±1.0%

R14

R1/R9

±2.0%

±0.25%

±0.5%

R1/(R2+R3+R4+R5)

(R3+R4+R5)/(R1+R2)

(R4+R5)/(R1+R2+R3)

R5/(R1+R2+R3+R4)

Operating Temperature Range

Power Rating/Resistor

Storage Temperature

Package Power Rating

R15

±0.5%

0^oC to 70^oC

25mW @ 70^oC

-65^OC to +150^OC

1.00W, max.

STANDARD VALUES

Resistor (R)

Value (Ohms)

17600

14219

2381

R10

R11

R12

R13

R14

R15

833

12858

27770

55600

111260

222580

1000

33000

47000

8/96

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

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