參數(shù)資料
型號(hào)： L296PHT
廠商： 意法半導(dǎo)體
英文描述： HIGH CURRENT SWITCHINGREGULATORS
中文描述： 大電流SWITCHINGREGULATORS
文件頁(yè)數(shù)： 1/22頁(yè)
文件大?。?/td> 285K
代理商： L296PHT
L296
L296P
June 2000
HIGH CURRENT SWITCHINGREGULATORS
5.1 V TO 40 V OUTPUT VOLTAGERANGE
.
0 TO100 % DUTY CYCLERANGE
.
PRECISE(
±
2 %)ON-CHIP REFERENCE
.
SWITCHING FREQUENCY UP TO 200KHz
.
VERYHIGH EFFICIENCY(UP TO90 %)
.
VERYFEW EXTERNALCOMPONENTS
.
SOFT START
.
RESETOUTPUT
.
EXTERNALPROGRAMMABLELIMITING
CURRENT (L296P)
.
CONTROLCIRCUIT FOR CROWBAR SCR
.
INPUTFOR REMOTE INHIBIT AND
SYNCHRONUS PWM
.
THERMAL SHUTDOWN
.
4 AOUTPUT CURRENT
DESCRIPTION
TheL296andL296Parestepdownpowerswitching
regulatorsdelivering 4 A at a voltagevariable from
5.1V to 40 V.
Featuresof thedevicesincludesoftstart,remotein-
hibit, thermal protection, a reset output for micro-
processors and a PWM comparator input for syn-
chronizationin multichipconfigurations.
TheL296Pincudesexternalprogrammablelimiting
current.
TheL296andL296Paremountedina 15-leadMul-
tiwatt
plasticpowerpackageandrequiresveryfew
externalcomponents.
Efficient operation at switching frequencies up to
200 KHz allows a reductionin the size and cost of
external filter components. A voltage sense input
and SCR drive output are provided for optional
crowbar overvoltage protection with an external
SCR.
Multiwatt
(15 lead)
ORDERING NUMBERS :
L296 (Vertical)
L296P (Vertical)
L296HT (Horizontal)
L296PHT (Horizontal)
PIN CONNECTION
(top view)
1/22
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