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ISL8117

Synchronous Step-Down PWM Controllers; ? Wide input voltage range: 4.5V to 60V \n? Wide output voltage range: 0.6V to 54V \n? Light-load efficiency enhancement \n? Low ripple diode emulation mode with pulse skipping \n? Programmable soft-start \n? Supports prebiased output with SR soft-start \n? Programmable frequency: 100kHz to 2MHz \n? External sync \n? PGOOD indicator \n? Forced PWM \n? Adaptive shoot-through protection \n? No external current sense resistor \n? Use lower MOSFET rDS(ON) \n? Functional pins with default design values (ISL8117A) \n? EN, RT, SS/TRK, MOD/SYNC, LGATE/OCS \n? Complete protection \n? Overcurrent, overvoltage, over-temperature, undervoltage \n? Pb-free (RoHS compliant) \n;

The ISL8117 and ISL8117A are synchronous buck controllers that generate POL voltage rails and bias voltage rails for a wide variety of applications in industrial and general purpose segments. Their wide input and output voltage ranges make them suitable for telecommunication and after-market automotive applications. The ISL8117A is a derivative from the ISL8117 by replacing its CLKOUT pin with COMP pin to provide flexibility to customers to configure the voltage loop compensation externally.\nBoth the ISL8117 and ISL8117A use the valley current modulation technique to bring hassle-free power supply design with minimal number of components and complete protection from unwanted events.They offer programmable soft-start and enable functions along with a power-good indicator for ease of supply rail sequencing and other housekeeping requirements. In ideal situations, a complete power supply circuit can be designed with 10 external components and provide OV/OC/OT protections in a space conscious 16 Ld 4mmx4mm QFN (ISL8117, ISL8117A) or easy to assemble 6.4mmx5mm 16 Ld HTSSOP (ISL8117) package. Both packages use an EPAD to improve thermal dissipation and noise immunity. Low pin count, less number of external components and default internal values, make the ISL8117 and ISL8117A ideal solutions for quick to market simple power supply designs. The ISL8117 utilizes internal loop compensation and single resistor settings while the ISL8117A only utilizes the single resistor settings for other functions such as operating frequency and overcurrent protection. Their current mode control with VIN feed-forward enable them to cover various applications even with fixed internal compensations. The unique DEM/Skipping mode at light-load dramatically lowers standby power consumption with consistent output ripple over different load levels.

ISL8117

Synchronous Step-down PWM Controller

ISL8117

Synchronous Step-Down PWM Controller

ISL8117A

Synchronous Step-Down PWM Controller

TheISL8117Aisasynchronousbuckcontrollertogenerate POLvoltagerailsandbiasvoltagerailsforawidevarietyof applicationsinindustrialandgeneralpurposesegments.Its wideinputandoutputvoltagerangesmakeitsuitablefor telecommunicationandafter-marketautomotiveapplicat

ISL8117A

Synchronous Step-Down PWM Controllers; ? Wide input voltage range: 4.5V to 60V\n? Wide output voltage range: 0.6V to 54V\n? Light-load efficiency enhancement? Low ripple Diode Emulation mode with pulse skipping\n\n? Programmable soft-start\n? Supports prebiased output with SR soft-start\n? Programmable frequency: 100kHz to 2MHz\n? External sync\n? PGOOD indicator\n? Forced PWM\n? Adaptive shoot-through protection\n? No external current sense resistor? Use lower MOSFET rDS(ON)\n\n? Functional pins with default design values? EN, RT, SS/TRK, MOD/SYNC, LGATE/OCS\n\n? Complete protection\n? Overcurrent, overvoltage, over-temperature, undervoltage\n? Pb-free (RoHS compliant)\n;

The ISL8117A is a synchronous buck controller to generate POL voltage rails and bias voltage rails for a wide variety of applications in industrial and general purpose segments. Its wide input and output voltage ranges make it suitable for telecommunication and after-market automotive applications. ISL8117A is a derivative from the ISL8117 by replacing its CLKOUT pin with COMP pin to provide flexibility to customers to configure the voltage loop compensation externally.\n\nThe ISL8117A uses the valley current modulation technique to bring hassle-free power supply design with a minimal number of components and complete protection from unwanted events. The ISL8117A offers programmable soft-start and enable functions along with a power-good indicator for ease of supply rail sequencing and other housekeeping requirements. In ideal situations, a complete power supply circuit can be designed with 10 external components and provide OV/OC/OT protections in a space conscious 16 Ld 4 × 4 mm QFN package. The package uses an EPAD to improve thermal dissipation and noise immunity. Low pin count, less number of external components and default internal values, makes the ISL8117A an ideal solution for quick to market simple power supply designs. The ISL8117A utilizes single resistor settings for other functions such as operating frequency and overcurrent protection. Its current mode control with VIN feed-forward enables it to cover various applications. The unique DEM/Skipping mode at light load dramatically lowers standby power consumption with consistent output ripple over different load levels.

ISL8117A

Synchronous Step-Down PWM Controller

?Wideinputvoltagerange:4.5Vto60V ?Wideoutputvoltagerange:0.6Vto54V ?Light-loadefficiencyenhancement -Lowripplediodeemulationmodewithpulseskipping ?Programmablesoft-start ?SupportsprebiasedoutputwithSRsoft-start ?Programmablefrequency:100kHzto2MHz ?Exte

ISL8117A_V01

Synchronous Step-Down PWM Controller

?Wideinputvoltagerange:4.5Vto60V ?Wideoutputvoltagerange:0.6Vto54V ?Light-loadefficiencyenhancement -Lowripplediodeemulationmodewithpulseskipping ?Programmablesoft-start ?SupportsprebiasedoutputwithSRsoft-start ?Programmablefrequency:100kHzto2MHz ?Exte

ISL8117AEVAL1Z

Synchronous Step-Down PWM Controller

TheISL8117Aisasynchronousbuckcontrollertogenerate POLvoltagerailsandbiasvoltagerailsforawidevarietyof applicationsinindustrialandgeneralpurposesegments.Its wideinputandoutputvoltagerangesmakeitsuitablefor telecommunicationandafter-marketautomotiveapplicat

ISL8117AEVAL1Z

Synchronous Step-Down PWM Controller

?Wideinputvoltagerange:4.5Vto60V ?Wideoutputvoltagerange:0.6Vto54V ?Light-loadefficiencyenhancement -Lowripplediodeemulationmodewithpulseskipping ?Programmablesoft-start ?SupportsprebiasedoutputwithSRsoft-start ?Programmablefrequency:100kHzto2MHz ?Exte

ISL8117AEVAL2Z

Synchronous Step-Down PWM Controller

TheISL8117Aisasynchronousbuckcontrollertogenerate POLvoltagerailsandbiasvoltagerailsforawidevarietyof applicationsinindustrialandgeneralpurposesegments.Its wideinputandoutputvoltagerangesmakeitsuitablefor telecommunicationandafter-marketautomotiveapplicat