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RT7252B Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT7252B Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 14 page  RT7252A/B ® DS7252A/B-01 April 2012 www.richtek.com 1 © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Pin Configurations (TOP VIEW) SOP-8 (Exposed Pad) 2A, 17V, 340/800kHz Synchronous Step-Down Converter Ordering Information Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. General Description The RT7252A/B is a high efficiency, monolithic synchronous step-down DC/DC converter that can operate at 340kHz/800kHz, while delivering up to 2A output current from a 4V to 17V input supply. The RT7252A/B's current mode architecture allows the transient response to be optimized. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. Fault conditions also include output under voltage protection, output over voltage protection and thermal shutdown. The low current (<5 μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems. The RT7252A/B is available in a SOP-8 (Exposed Pad) package. Features 4V to 17V Input Voltage Range 2A Output Current Internal N-MOSFETs Current Mode Control Fixed Frequency Operation : 340kHz/800kHz Output Adjustable from 0.8V to 12V Up to 95% Efficiency Internal Compensation Stable with Low ESR Ceramic Output Capacitors Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Output Under Voltage Protection Output Over Voltage Protection Power Good Indicator Thermal Shutdown Protection RoHS Compliant and Halogen Free Applications Industrial and Commercial Low Power Systems Computer Peripherals LCD Monitors and TVs Green Electronics/Appliances Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs Marking Information RT7252AZSP : Product Number YMDNN : Date Code RT7252AZSP RT7252BZSP SW VIN BOOT EN NC GND FB PGOOD GND 2 3 4 5 6 7 8 9 RT7252A ZSPYMDNN RT7252B ZSPYMDNN RT7252BZSP : Product Number YMDNN : Date Code Package Type SP : SOP-8 (Exposed Pad-Option 1) RT7252A/B Lead Plating System Z : ECO (Ecological Element with Halogen Free and Pb free) A : 340kHz B : 800kHz |
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Similar Description - RT7252B |
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