參數(shù)資料
型號： L5995
廠商： STMICROELECTRONICS
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP32
封裝： 7 X 7 MM, TQFP-32
文件頁數(shù)： 1/10頁
文件大小： 77K
代理商： L5995
PROGRAMMABLE OUTPUT FROM 1.3V TO
2.0V WITH 0.05V BINARY STEPS
ULTRA HIGH EFFICIENCY
SEPARATE 5V BIAS SUPPLY AVAILABLE
FOR HIGH EFFICIENCY PERFORMANCE
EXCELLENT
OUTPUT
ACCURACY
±1%
OVER LINE, LOAD AND TEMPERATURE
VARIATIONS
HIGH PRECISION INTERNAL REFERENCE
DIGITALLY TRIMMED
OPERATING SUPPLY
VOLTAGE FROM
4.75V TO 25V
VERY FAST LOAD TRANSIENT
REMOTE SENSING INPUTS
INTERNAL
LINEAR
REGULATOR
2.5V
/150mA,
±2% PRECISION
POWER MANAGEMENT
- PROGRAMMABLE POWER-UP TIME
- POWER GOOD OUTPUT, SKIP MODE
- OUTPUT OVERVOLTAGE PROTECTION
- OUTPUT UNDERVOLTAGE LOCKOUT
OPERATING FREQUENCY UP TO 1MHz
MEETS INTEL MOBILE PENTIUM II
Application
ADVANCED MICROPROCESSOR SUPPLIES
POWER SUPPLY FOR PENTIUM II INTEL
MOBILE
DESCRIPTION
The L5995 is a power supply controller that offers
a complete power management for
notebook
CPUs of the next generation especially for mobile
Pentium II. A high precise 4 bit digital to analog
converter (DAC) allows to adjust the output volt-
age from 1.3V to 2.0V with 0.05V binary steps.
The high precision internal reference, digitally
trimmed, assures the selected output voltage to
November 1998
FREQ SETTING
SYNC
POWER
MANAGEMENT
& SYSTEM
SUPERVISOR
4.75V
to
25V
VO
POWER
SECTION
L5995
POWER GOOD
PWM SECTIONS
DAC
NOSKIP
ENABLE
CPU CORE
2.5V LIN. REG.
3.3V
2.5V
CPU CLK
D0
D1
D2
D3
1.3V to 2.0V
Pentium II
Mobile
D97IN670B
TYPICAL APPLICATION CIRCUIT
TQFP32
(7mm x 7mm)
L5995
ACCURATE 4 BIT PROGRAMMABLE POWER SUPPLY
CONTROLLER FOR MOBILE CPU
1/10
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
L5996 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 BIT DYNAMIC DAC CONTROLLER FOR MOBILE CPU
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