參數(shù)資料
型號(hào)： TDA4605-3
廠商： SIEMENS A G
元件分類： 穩(wěn)壓器
英文描述： Control IC for Switched-Mode Power Supplies using MOS-Transistor
中文描述： 1.5 A SWITCHING CONTROLLER, 40 kHz SWITCHING FREQ-MAX, PDIP8
文件頁數(shù)： 1/6頁
文件大?。?/td> 63K
代理商： TDA4605-3
TDA4605
CONTROLCIRCUIT FOR SWITCH MODE POWER SUPPLIES
.
FOLD-BACK CHARACTERISTIC PROVIDES
OVERLOAD PROTECTION FOR EXTERNAL
DIODES
.
BURST OPERATION UNDER SHORT-CIR-
CUIT AND NO LOADCONDITIONS
.
LOOP ERROR PROTECTION
.
SWITCH-OFF IN CASE OF TOO LOW LINE
VOLTAGE(under voltage switch-off)
.
LINE VOLTAGE COMPENSATION OF OVER-
LOAD POINT
.
SOFT-STARTFOR SMOOTH START-UP
.
CHIP OVER-TEMPERATURE PROTECTION
(thermal shutdown)
.
ON-CHIP PARASITIC TRANSFORMER OS-
CILLATIONSUPPRESSIONCIRCUITRY
.
DECREASE OF REGULATED VOLTAGE FOR
LOW POWER CONSUMPTION
USING MOS TRANSISTORS
April 1996
1
2
3
4
8
7
6
5
REGULATION INPUT
PRIMARY CURRENT SIMULATION
PRIMARY VOLTAGE MONITORING
GROUND
OUTPUT
SUPPLY VOLTAGE
SOFT-START
ZERO CROSSING DETECTOR INPUT
4
PINCONNECTIONS
DIP8
(Plastic Package)
ORDER CODE :
TDA4605
DESCRIPTION
The ICTDA4605controls theMOSPowerTransis-
tor and performs all necessary regulation and
monitoring functions in free running flyback con-
verters. Since good load regulation over a wide
load rangeisattained,thisICis particularlysuitable
for Consumeraswell asIndustrialPowerSupplies.
Alternative source of the TDA4605is also avail-
able from SIEMENS Semiconductors Consumer
ElectronicsA.G.
SO8
(Plastic Micropackage)
ORDER CODE :
TDA4605D
1/6
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