參數(shù)資料
型號(hào): L6911B
廠商: STMICROELECTRONICS
元件分類: 電源管理
英文描述: 3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20
封裝: SO-20
文件頁(yè)數(shù): 1/7頁(yè)
文件大小: 50K
代理商: L6911B
OPERATING SUPPLY VOLTAGE FROM 5V
TO 12V
TTL-COMPATIBLE 5BIT PROGRAMMABLE
OUTPUT FROM:
-1.3V TO 2.05V WITH 0.05V BINARY STEPS
-2.1V TO 3.5V WITH 0.1V BINARY STEPS
VOLTAGE MODE PWM CONTROL
EXCELLENT OUTPUT ACCURACY +/-1%
OVERLINE, AND TEMPERATURE VARIATIONS
HIGH PRECISION INTERNAL REFERENCE
DIGITALLY TRIMMED
VERY FAST LOAD TRANSIENT 0% TO 100%
DUTY CYCLE
POWER GOOD OUTPUT
OVERVOLTAGE PROTECTION
OVERCURRENT PROTECTION REALISED
USING THE MOSFET’s RDSon
OPERATING FREQUENCY FROM 50KHz TO
1MHz
MEETS INTEL PENTIUM II SPECIFICATION
DISABLE FUNCTION
Applications
POWER SUPPLY FOR ADVANCED MICRO-
PROCESSOR SUPPLIES
POWER SUPPLY FOR PENTIUM II INTEL
PROCESSORS
DESCRIPTION
The L6911B is a power supply controller specifi-
cally designed to provide a high performance
DC/DC conversion for Pentium II Microproces-
sors. A precise 5 bit digital to analog converter
April 1999
10
PGND
PHASE
GND
VFB
LGATE
BOOT
UGATE
VCC
OCSET
11
16
17
13
14
15
V
CC
5V/12V
18
2
Vin 5V/12V
Vo
1.3V to 3.5V
4
5
6
7
8
1
PGOOD
12
19
3
20
VD0
VD1
VD2
VD3
VD4
COMP
VSEN
SS
OVP
OSC
9
D98IN956B
APPLICATION CIRCUIT
SO20
L6911B
5 BIT PROGRAMMABLE POWER SUPPLY
CONTROLLER FOR PENTIUM II PROCESSOR
1/7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6911C 功能描述:DC/DC 開關(guān)控制器 5B PROGRAMMABLE STEP DOWN CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6911CTR 功能描述:DC/DC 開關(guān)控制器 5B PROGRAMMABLE STEP DOWN CONTROLLER RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6911D 功能描述:DC/DC 開關(guān)控制器 5-Bit Prog Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6911DTR 功能描述:DC/DC 開關(guān)控制器 5-Bit Prog Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6911E 功能描述:DC/DC 開關(guān)控制器 5-Bit Prog Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK