EMH7021 Datasheet | Elite Semiconductor Microelectronics Technology

ESMT/EMP 1A, 500KHz PWM Synchronous Boost Converter with Output Isolated During Shutdown General Description The EMH7021 is a high efficiency, synchronous fixed frequency, current-mode step-up DC/DC converter. During shutdown mode, the output is pletely isolated from the input without drawing any battery current. The fixed 500KHz switching frequency obtains maximum efficiency up to 96% and uses only a few external ponents.     Digital Still Cameras Portable applications MP3 Players GPS Receivers Features     Up to 96% efficiency Reference voltage: 0.5V Output to input disconnect at shutdown mode Current delivery - 1A@VOUT=3.3V, VBAT=2.4V - 1A@VOUT=5.0V, VBAT=3.6V  Switch current limit protection 500KHz fixed switching frequency Thermal shutdown protection 0.5V Low-battery parator Min-start up voltage: 0.93V Low quiescent current: 48u A (Tpy.) Low shutdown current < 1u A TDFN 3x3mm 10 pins package With 150 Ω loading, the minimum start-up voltage can be as low as 0.93V, provided by a one or two-cell alkaline or one-cell Li-Lon battery. The Features of EMH7021 include current limit, low battery parator, open-drain power good output, short circuit, and thermal shutdown protection. The EMH7021 package. is also available in 3X3mm TDFN-10        Applications  Mobile Phone Typical Application Elite Semiconductor Memory Technology Inc./Elite Micro Power Inc. Publication Date: May 2012 Revision: 1.1 1/16 ESMT/EMP Connection Diagrams Order information EMH7021-XXFF10NRR XX Output voltage --------------------------------------------------00 Adj output --------------------------------------------------FF10 TDFN-10 Package --------------------------------------------------NRR Ro HS & Halogen free package Rating: -40 to 85°C Package in Tape & Reel Order, Marking & Packing Information Package Product ID. Marking 9 8 7 6 Packing TDFN-10 EMH7021-00FF10NRR Tracking Code 1 PIN1 DOT 2 3 4 5 Tape & Reel...