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LT3154AVPBF Folha de dados(PDF) 10 Page - Analog Devices |
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LT3154AVPBF Folha de dados(HTML) 10 Page - Analog Devices |
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10 / 32 page ![]() LT3154 10 Rev. 0 For more information www.analog.com BLOCK DIAGRAM + – + – + – + – + – CDRV DDRV BDRV ADRV PGND PGND VBEST VBEST VBEST ISWB ISWA ISWD D C A B PVIN PVOUT VOUT VOUT 1.8V TO 5.5V VIN 1.8V TO 5.5V VOLTAGE AMPLIFIER CURRENT AMPLIFIER PGND EN/UVLO 1.65V ISWA UVLO ADRV BDRV CDRV PWM/BURST DRIVE LOGIC DDRV SW2 SW1 PWMs PWM RAMPS SYNC 2.2MHz IPEAK IREVERSE /IZERO RUN ISWD 9.5A –1.2A/0A 1.2V R1 R2 GND SYNC/MODE VIN PGND BUCK BOOST RT VIN RCS INT/EXT RT SS CC RC ISWA INT/EXT SS ISWB RAMP VC FB R3 R4 gm 0.99V SW1 SW2 BURST PWM SYNC + – + OSCILLATOR NOTE: PVIN AND VIN MUST BE CONNECTED TOGETHER IN THE APPLICATION PVOUT AND VOUT MUST BE CONNECTED TOGETHER IN THE APPLICATION PGND AND GND MUST BE CONNECTED TOGETHER IN THE APPLICATION 3154 BD |
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