Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

L6919ETR Datasheet(PDF) 1 Page - STMicroelectronics

Part # L6919ETR
Description  5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
Download  33 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6919ETR Datasheet(HTML) 1 Page - STMicroelectronics

  L6919ETR Datasheet HTML 1Page - STMicroelectronics L6919ETR Datasheet HTML 2Page - STMicroelectronics L6919ETR Datasheet HTML 3Page - STMicroelectronics L6919ETR Datasheet HTML 4Page - STMicroelectronics L6919ETR Datasheet HTML 5Page - STMicroelectronics L6919ETR Datasheet HTML 6Page - STMicroelectronics L6919ETR Datasheet HTML 7Page - STMicroelectronics L6919ETR Datasheet HTML 8Page - STMicroelectronics L6919ETR Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 1 / 33 page
background image
1/33
L6919E
September 2003
s
2 PHASE OPERATION WITH
SYNCRHONOUS RECTIFIER CONTROL
s
ULTRA FAST LOAD TRANSIENT RESPONSE
s
INTEGRATED HIGH CURRENT GATE
DRIVERS: UP TO 2A GATE CURRENT
s
TTL-COMPATIBLE 5 BIT PROGRAMMABLE
OUTPUT FROM 0.800V TO 1.550V WITH
25mV STEPS
s
DYNAMIC VID MANAGEMENT
s
0.6% OUTPUT VOLTAGE ACCURACY
s
10% ACTIVE CURRENT SHARING ACCURACY
s
DIGITAL 2048 STEP SOFT-START
s
OVERVOLTAGE PROTECTION
s
OVERCURRENT PROTECTION REALIZED
USING THE LOWER MOSFET'S RdsON OR A
SENSE RESISTOR
s
OSCILLATOR EXTERNALLY ADJUSTABLE
AND INTERNALLY FIXED AT 200kHz
s
POWER GOOD OUTPUT AND INHIBIT
FUNCTION
s
REMOTE SENSE BUFFER
s
PACKAGE: SO-28
APPLICATIONS
s
POWER SUPPLY FOR SERVERS AND
WORKSTATIONS
s
POWER SUPPLY FOR HIGH CURRENT
MICROPROCESSORS
s
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. The
device implements a dual-phase step-down con-
troller with a 180° phase-shift between each
phase. A precise 5-bit digital to analog converter
(DAC) allows adjusting the output voltage from
0.800V to 1.550V with 25mV binary steps manag-
ing On-The-Fly VID code changes.
The high precision internal reference assures the
selected output voltage to be within ±0.6%. 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
over current and load over/under voltage. An inter-
nal crowbar is provided turning on the low side
mosfet if an over-voltage is detected. In case of
over-current, the system works in Constant Cur-
rent mode.
SO-28
ORDERING NUMBERS:L6919E
L6919ETR
5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER
WITH DYNAMIC VID MANAGEMENT
BLOCK DIAGRAM
CUR REN T
REA D IN G
I
FB
TO TAL
CUR REN T
CH1
OC P
DA C
DIGIT AL
SOFT- START
CH1 OCP
PW M1
ERR OR
AMPL IF IER
REMO TE
BU FFE R
32k
32k
32k
LS
LS
HS
Vc c
HS
BOO T 1
U
GA T E1
PHAS E1
LGAT E1
ISE N1
PGN DS1
PGN D
PGN DS2
ISE N2
LGAT E2
PHAS E2
UGAT E2
BOO T 2
Vc c
COM P
FB
VS EN
FB G
FB R
VID 0
VID 1
VID 2
VID 3
VID 4
PGOOD
OS C / I NH
S GN D
VCCD R
32k
VCC DR
VCC
CH 2 OC P
PW M2
CH2
OC P
CUR REN T
REA D IN G
CUR REN T
REA D IN G
CUR REN T
REA D IN G
I
FB
TO TAL
CUR REN T
CH1
OC P
DA C
DIGIT AL
SOFT- START
CH1 OCP
PW M1
ERR OR
AMPL IF IER
REMO TE
BU FFE R
32k
32k
32k
LS
LS
HS
Vc c
HS
BOO T 1
U
GA T E1
PHAS E1
LGAT E1
ISE N1
PGN DS1
PGN D
PGN DS2
ISE N2
LGAT E2
PHAS E2
UGAT E2
BOO T 2
Vc c
COM P
FB
VS EN
FB G
FB R
VID 0
VID 1
VID 2
VID 3
VID 4
PGOOD
OS C / I NH
S GN D
VCCD R
32k
VCC DR
VCC
CH 2 OC P
PW M2
CH2
OC P
CUR REN T
REA D IN G
CUR REN T
REA D IN G


Similar Part No. - L6919ETR

ManufacturerPart #DatasheetDescription
logo
STMicroelectronics
L6919C STMICROELECTRONICS-L6919C Datasheet
558Kb / 32P
   5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
L6919CD STMICROELECTRONICS-L6919CD Datasheet
558Kb / 32P
   5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
L6919CDTR STMICROELECTRONICS-L6919CDTR Datasheet
558Kb / 32P
   5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
More results

Similar Description - L6919ETR

ManufacturerPart #DatasheetDescription
logo
STMicroelectronics
L6919C STMICROELECTRONICS-L6919C Datasheet
558Kb / 32P
   5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
L6710 STMICROELECTRONICS-L6710 Datasheet
1Mb / 34P
   6 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
March 2004
L6917B STMICROELECTRONICS-L6917B Datasheet
592Kb / 33P
   5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER
logo
Linear Technology
LTC1703 LINER-LTC1703 Datasheet
343Kb / 36P
   Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
LTC1703IG LINER-LTC1703IG Datasheet
345Kb / 36P
   Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
LTC1873 LINER-LTC1873 Datasheet
308Kb / 32P
   Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
LTC1873 LINER-LTC1873_15 Datasheet
323Kb / 32P
   Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
LTC1703 LINER-LTC1703_15 Datasheet
390Kb / 36P
   Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
logo
STMicroelectronics
L6711 STMICROELECTRONICS-L6711_06 Datasheet
633Kb / 50P
   3 Phase controller with dynamic VID and selectable DACs
L6711 STMICROELECTRONICS-L6711 Datasheet
615Kb / 38P
   3 PHASE CONTROLLER WITH DYNAMIC VID AND SELECTABLE DACs
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com