Datasheet > SP7655_07

SP7655_07

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
西伯斯 - SIPEX		稳压器
页数	文件大小	规格书
16页	1791K
描述
Wide Input Voltage Range, 8Amp 300kHz, Buck Regulator

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中文翻译

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数据手册

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SP7655_07 数据手册

ELECTRICAL SPE_SC_TI₌F_LI_XC₊A_5VT_,IONS

Unlessotherwisespecified:-40°C<T _M<85°C,-40°C<Tj<125°C,4.5V<V _C<5.5V,3V<Vin<28V,B

A B

LX=G

D=0.0V,UVIN=3.0V,CV _C=1µF,C _OM=0.1µF,C _S=50nF,TypicalmeasuredatV _C

_C=5V.

Thez denotesthespecificationswhichapplyoverthefulltemperaturerange,unlessotherwisespecified.

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

CONTROL LOOP: PWM COMPARATOR, RAMP & LOOP DELAY PATH

RampAmplitude

RAMPOffset

0.92

1.1

1.28

180

T =25ºC,RAMPC

untilGHstartsSwitching

RAMP OffsetTemp.Coefficient

-2

mV/ºC

♦

GHMinimumPulseWidth

MaximumDutyRatio

Measuredjustbefore

pulsingbegins

MaximumControllableDutyRatio

MaximumDutyRatio

InternalOscillatorRatio

TIMERS: SOFTSTART

SSChargeCurrent:

100

240

Validfor20cycles

300

360

0.3

kHz

µA

♦

SSDischargeCurrent:

FaultPresent,SS=0.2V

PROTECTION: Short Circuit & Thermal

MeasuredV _EF(0.8V)-

ShortCircuitThresholdVoltage

HiccupTimeout

0.2

0.25

200

V =0.5V

NumberofAllowableClockCycles

at100%DutyCycle

Cycles

MinimumGLPulseAfter20Cycles

ThermalShutdownTemperature

ThermalRecoveryTemperature

ThermalHysteresis

0.5

145

135

Cycles

V =0.7V

ºC

V =0.7V

ºC

OUTPUT: POWER STAGE

V =5V;I _UT=8A

♦

HighSideR _O

mΩ

DS N

T _MB=25ºC

V =5V;I _UT=8A

♦

SynchronousFETR _O

mΩ

DS N

T _MB=25ºC

Rev E: 3/2ꢀ/07

SP7655 Wide Input Voltage Range 8A, 300kHz, Buck Regulator

1 234 5 6 7...16

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