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A8499

High Voltage Step-Down Regulator

FeaturesandBenefits ?8to50Vinputrange ?IntegratedDMOSswitch ?Adjustablefixedoff-time ?Highlyefficient ?Adjustable1.2to24Voutput

A8499

高電壓降壓穩(wěn)壓器; \n? 8-50 V input range \n? Integrated DMOS switch \n? Flat efficiency curve across output current \n? 1.5 A output in standard SOIC-8 package \n? Low shutdown current \n? Low cost \n;

DISCONTINUED: These parts are discontinued.? Samples are no longer?available.?For new customers or new applications, please contact Allegro. Date of status change: June 2, 2015.\n\n Recommended Substitutions: For existing customer transition, and for new customers or new applications, refer to the A4447SLJTR-T.\n\n The A8499 is a step-down regulator that will handle a wide input of operating voltage ranges. It is a fixed off-time current-mode-controlled buck regulator. The regulator requires an external clamping diode, inductor and filter capacitor. The off time is determined by an external resistor. \n\n It will operate in both continuous and discontinuous modes. An internal blanking circuit will be used to filter out transients due to the reverse recovery of the external clamp diode. Typical blanking time is 200 nS. \n\n The output voltage is adjustable from 1.2 V to 24 V based on a resistor divider and the 1.2 V 3 percent reference.\n\n Applications include:\n\nApplications with 8 to 50 V input voltage range needing buck regulator for 1.5 A output current Consumer equipment power Uninterruptible power supplies (lead acid battery charger) Automotive: 9 to 16 V input, with higher voltage protection 12 V lighter-powered applications (portable DVD, etc.) Point of Sale (POS) applications Industrial applications with 24 V or 36 V bus ?\n\n

A8499SLJ-T

High Voltage Step-Down Regulator

FeaturesandBenefits ?8to50Vinputrange ?IntegratedDMOSswitch ?Adjustablefixedoff-time ?Highlyefficient ?Adjustable1.2to24Voutput

A8499SLJTR-T

High Voltage Step-Down Regulator

FeaturesandBenefits ?8to50Vinputrange ?IntegratedDMOSswitch ?Adjustablefixedoff-time ?Highlyefficient ?Adjustable1.2to24Voutput

A8499SLJ-T

3 A 開關穩(wěn)壓器, PDSO8;

A8499SLJ-T

Package：8-SOIC（0.154"，3.90mm 寬）裸露焊盤；包裝：卷帶（TR） 功能：降壓 類別：集成電路（IC） 穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器 描述：IC REG BUCK ADJUSTABLE 8SOIC

A8499SLJTR-T

Package：8-SOIC（0.154"，3.90mm 寬）裸露焊盤；包裝：卷帶（TR） 功能：降壓 類別：集成電路（IC） 穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器 描述：IC REG BUCK ADJUSTABLE 8SOIC

A8499SLJTR-T

Package：8-SOIC（0.154"，3.90mm 寬）裸露焊盤；包裝：卷帶（TR） 功能：降壓 類別：集成電路（IC） DC DC 開關穩(wěn)壓器 描述：IC REG BUCK ADJUSTABLE 8SOIC