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PDF SIP2805 Data sheet ( Hoja de datos )
| Número de pieza | SIP2805 | |
| Descripción | (SIP280x) Low Power Consumption Current Mode Controller | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SIP2805 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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New Product
SiP2800/01/02/03/04/05
Vishay Siliconix
Lowwww.DataSheet4U.com Power Consumption Current Mode Controller
FEATURES
D Pin-for-Pin Compatible with UCC280X Controllers
D Enhanced Performance UC284X for New Designs
D 100-mA Typical Start-Up Current
D 500-mA Typical Operating Current
D Internal Soft Start at Power-On and After Fault
D 100-ns Internal Leading Edge Blanking
APPLICATIONS
D Efficiency-Enhanced DC/DC Converter Modules
D Low Quiescent Current Standby Power Supplies
D Offline (AC/DC) Power Supplies
D Universal Input Power Supplies
D Buck, Boost, and Buck-Boost Converters
DESCRIPTION
The SiP280X family includes six high-speed, low power
consumption, BiCMOS Current Mode Controllers. These
integrated circuits contain all of the control and drive functions
required for off-line and dc-to-dc current-mode switching
power supplies. Their advanced architecture enables the
implementation of full-featured designs with minimal external
parts count.
The SiP280X family controllers are available in both standard
and lead (Pb)-free, SO-8 and TSSOP-8 packages, and are
rated for operation over the industrial temperature range of
--40 to 85 _C.
Part Number
SiP2800
SiP2801
SiP2802
SiP2803
SiP2804
SiP2805
Maximum
Duty Cycle
100%
50%
100%
100%
50%
50%
Reference
Voltage
5V
5V
5V
4V
5V
4V
Turn-On
Threshold
7.2 V
9.4 V
12.5 V
4.1 V
12.5 V
4.1 V
Turn-Off
Threshold
6.9 V
7.4 V
8.3 V
3.6 V
8.3 V
3.6 V
TYPICAL APPLICATION CIRCUIT
+48 V
+
VCC
FB
COMP
SiP2801
OUT
RC
REF
CS
GND
+
+
12 V/3 A
GND
Document Number: 72660
S-41623—Rev.C, 30-Aug-04
Flyback Converter for Point of Load Application
www.vishay.com
1
1 page  
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PIN CONFIGURATION
New Product
SiP2800/01/02/03/04/05
Vishay Siliconix
COMP
FB
CS
RC
1
2
3
4
SOIC-8
Top View
8 REF
7 VCC
6 OUT
5 GND
TSSOP-8
COMP 1 D
FB 2
CS 3
RC 4
Top View
8 REF
7 VCC
6 OUT
5 GND
ORDERING INFORMATION
SOIC-8
Lead (Pb)-Free
Part Number Part Number Marking Temperature
SiP2800DY-T1
SiP2801DY-T1
SiP2802DY-T1
SiP2803DY-T1
SiP2804DY-T1
SiP2805DY-T1
SiP2800DY-T1—E3
SiP2801DY-T1—E3
SiP2802DY-T1—E3
SiP2803DY-T1—E3
SiP2804DY-T1—E3
SiP2805DY-T1—E3
2800
2801
2802
2803
2804
2805
--40 to 85_C
Additional voltage options are available.
Part Number
SiP2800DQ-T1
SiP2801DQ-T1
SiP2802DQ-T1
SiP2803DQ-T1
SiP2804DQ-T1
SiP2805DQ-T1
TSSOP-8
Lead (Pb)-Free
Part Number Marking
SiP2800DQ-T1—E3
2800
SiP2801DQ-T1—E3
2801
SiP2802DQ-T1—E3
2802
SiP2803DQ-T1—E3
2803
SiP2804DQ-T1—E3
2804
SiP2805DQ-T1—E3
2805
Temperature
--40 to 85_C
PIN DESCRIPTION
Pin Number
1
2
Name
COMP
FB
3 CS
4 RC
5 GND
6 OUT
7 VCC
8 REF
Function
Output of the Voltage Error Amplifier, and the inverting input to the PWM’s Current Sense Comparator
Inverting input of the Voltage Error Amplifier
Non-inverting input of the PWM Current Sense Comparator, and inverting input of the Overcurrent Fault Comparator
(both comparators are fed from the output of the internal 100-ns Leading Edge Blanking circuit)
Connection for the PWM Oscillator’s timing resistor and timing capacitor
Ground Pin.
PWM Output Signal (capable of driving 750 mA into the gate of an external MOSFET power switch)
Positive supply voltage for the IC
IC Reference Voltage
Document Number: 72660
S-41623—Rev.C, 30-Aug-04
www.vishay.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SIP2805.PDF ] | |
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