- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄97995 > L6911E (STMICROELECTRONICS) 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 PDF資料下載
參數(shù)資料
| 型號(hào)： | L6911E |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | SO-20 |
| 文件頁(yè)數(shù)： | 1/34頁(yè) |
| 文件大小： | 558K |
| 代理商： | L6911E |
當(dāng)前第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)
April 2007
Rev 3
1/34
34
L6911E
5-Bit programmable step down controller
with synchronous rectification
Features
■ Operating supply IC voltage from 5V to 12V
buses
■ Up to 1.3A gate current capability
■ TTL-compatible 5 bit programmable output
compliant with VRM 8.5 :
1.050V to 1.825V with 0.025V binary steps
■ Voltage mode PWM control
■ Excellent output accuracy: ±1% over line and
temperature variations
■ Very fast load transient response: from 0% to
100% Duty Cycle
■ Power good output voltage
■ Overvoltage protection and monitor
■ Overcurrent protection realized using the upper
MOSFET's Rds(ON)
■ 200kHz internal oscillator
■ Oscillator externally adjustable from 50kHz to
1MHz
■ Soft start and inhibit functions
Applications
■ Power supply for advanced
microprocessor core
■ Distributed power supply
Description
The device is a power supply controller
specifically designed to provide a high
performance DC/DC conversion for high current
microprocessors. A precise 5 bit digital to analog
converter (DAC) allows to adjust the output
voltage from 1.050 to 1.825 with 25mV binary
steps.
The high precision internal reference assures the
selected output voltage to be within ±1%. The
high peak current gate drive affords to have fast
switching to the external power mos providing low
switching losses.
The device assures a fast protection against load
overcurrent and load over-voltage. An external
SCR is triggered to crowbar the input supply in
case of hard overvoltage. An internal crowbar is
also provided turning on the low side mosfet as
long as the over-voltage is detected. In case of
over-current detection, the soft start capacitor is
discharged an the system works in HICCUP
mode.
SO-20
Table 1. Device summary
Part Number
Package
Packaging
L6911E
TSSOP8
Tube
L6911ETR
TSSOP8
Tape and reel
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6911ETR | 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
| L6924U013 | POWER SUPPLY SUPPORT CKT, PQCC16 |
| L6924U013TR | POWER SUPPLY SUPPORT CKT, PQCC16 |
| L6924U | POWER SUPPLY SUPPORT CKT, QCC16 |
| L6926D1013TR | 1.65 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6911E_07 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:5-Bit programmable step down controller with synchronous rectification |
| L6911ETR | 功能描述:DC/DC 開(kāi)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(kāi)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 |
| L6912-2 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,2/BG |
| L6913-1 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,1/BG |
| L6913-2 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,2/BG |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。