|
|
PDF L6911B Data sheet ( Hoja de datos )
| Número de pieza | L6911B | |
| Descripción | 5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de L6911B (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
|
No Preview Available !
® L6911B
5 BIT PROGRAMMABLE POWER SUPPLY
CONTROLLER FOR PENTIUM II PROCESSOR
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
APPLICATION CIRCUIT
Vin 5V/12V
VCC 5V/12V
SO20
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
18
VCC
OSC
OVP
VD0
VD1
VD2
VD3
VD4
SS
20
19
4
5
6
7
8
3
PGOOD
12
OCSET
2
15
14
BOOT
UGATE
13
PHASE
17
LGATE
16
PGND
11
GND
1
VSEN
VFB
10
COMP
9
Vo
1.3V to 3.5V
D98IN956B
1/7
1 page  
L6911B
ELECTRICAL CHARACTERISTICS (continued)
Symbol
VPGOOD
Parameter
Upper Threshold
(VSEN/DACOUT)
Upper Threshold
(VSEN/DACOUT)
Hysteresis
(VSEN/DACOUT)
PGOOD Voltage Low
Test Condition
VSEN Rising
VSEN Rising
Upper and Lower Threshold
IPGOOD = -5mA
Min.
106
Typ.
-
Max.
111
Unit
%
89 - 94 %
- 2 -%
- 0.5 -
V
Table 1.
VID4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
VID3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
VID2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
VID1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
VID0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
OUTPUT VOLTAGE (V)
1.3
1.35
1.4
1.45
1.5
1.55
1.6
1.65
1.7
1.75
1.8
1.85
1.9
1.95
2
2.05
0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet L6911B.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| L6911 | 5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR | STMicroelectronics |
| L6911B | 5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR | STMicroelectronics |
| L6911C | 5 BIT PROGRAMMABLE STEP DOWN CONTROLLER | STMicroelectronics |
| L6911D | 5 BIT PROGRAMMABLE STEP DOWN CONTROLLER | STMicroelectronics |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |