전자부품 데이터시트 검색엔진 |
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ILC6382CIR-33 데이터시트(PDF) 1 Page - Impala Linear Corporation |
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ILC6382CIR-33 데이터시트(HTML) 1 Page - Impala Linear Corporation |
1 / 19 page The ILC6382 series of step-up DC-DC converters operate from 1-cell to 3-cell input. In shutdown mode, the device allows true load disconnect from battery input. Designed for wireless communications applications, the oscillator fre- quency is set at 300kHz with no harmonics at sub 20kHz audio band or at 455kHz IF band. Oscillator frequency is externally synchronizable from 200kHz to 400kHz. Internal synchronous rectification and dual PFM/PWM mode of operation allows greater than 90% efficiency at light and full load. The ILC6382 is capable of delivering 75mA at 3.3V output from a single cell input.The ILC6382- XX offers 3.3V or 5V fixed output voltage while the ILC6382-Adj allows adjustable output voltage to 6V maxi- mum. Output voltage accuracy is +2% over specified tem- perature range. Additional features include power good output (POK) and an internal low battery detector with 100s transient rejection delay. The device will reject low battery input transients under 100msec in duration. The ILC6382 series is available in a space saving eight lead micro SOP (MSOP-8) package. ILC6382 1-Cell to 3-Cell Boost with True Load Disconnect, 3.3V, 5V or Adjustable Output Impala Linear Corporation Impala Linear Corporation 1 (408) 574-3939 www.impalalinear.com Oct 1999 ILC6382 1.5 ! 0.9V to 6V input voltage ! Guaranteed start up at 0.9V input ! Synchronous rectification requires no external diode ! True load disconnect from battery input in shutdown ! Up to 75mA@3.3V and 40mA@5V from 1V input ! Up to 375mA@3.3V and 160mA@5V from 3V input ! Efficiency > 90% from 10mA to 150mA at V OUT = 5V !1 µA battery input current in shutdown (with V OUT = 0V) ! Internal Oscillator frequency : 300kHz to ±15% ! External freq synchronization from 150kHz to 500kHz ! ILC6382 : Fixed 3.3V or 5V output ! ILC6382-Adj : Adjustable output to 6V maximum ! Low battery detector with 100ms transient rejection delay ! Powergood output flag when V OUT is in regulation ! Cellular Phones, Pagers ! Palmtops, PDAs and portable electronics ! High efficiency 1V step up converters 10µF ON OFF V IN 1 to 3-cell R5 R6 15 µH L C OUT R1 R2 ILC6382-ADJ MSOP-8 L X V IN LBI/SD SYNC GND LBO V FB V OUT V OUT V OUT = 1.25 (1+R1/R2) 1 2 3 4 8 7 6 5 C IN + + 10 µF ILC6382-XX 1 3 2 4 8 6 7 5 L X V IN LBI/SD SYNC GND LBO POK V OUT ON OFF V IN 1 to 3-cell R5 R6 15 µH MSOP-8 L V OUT 10µF C OUT Low Battery Detector Output Power Good Output C IN + + 10µF Ext Sync Ext Sync (Note: Pin 9 should be connected to ground if unused.) General Description Features Applications Typical Circuit Figure 1: ILC6382 Figure 2: ILC6382-Adj |
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유사한 설명 - ILC6382CIR-33 |
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