1308AI Linear Technology Corporation, 1308AI Datasheet
1308AI
Related parts for 1308AI
1308AI Summary of contents
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... The LT1308A/LT1308B are available in the 8-lead SO and the 14-lead TSSOP packages. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. Burst Mode is a registered trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
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... LBO 7 LBI NOT RECOMMENDED FOR NEW DESIGNS U PART MARKING PACKAGE DESCRIPTION 1308A 8-Lead Plastic SO 1308AI 8-Lead Plastic SO 1308B 8-Lead Plastic SO 1308BI 8-Lead Plastic SO LT1308ACF 14-Lead Plastic TSSOP LT1308BCF 14-Lead Plastic TSSOP PART MARKING PACKAGE DESCRIPTION 1308A 8-Lead Plastic SO 1308AI ...
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ELECTRICAL CHARACTERISTICS range, otherwise specifications are T = 25°C. Commercial Grade 0°C to 70° SYMBOL PARAMETER I Quiescent Current Q V Feedback Voltage Pin Bias Current B Reference Line Regulation Minimum Input Voltage g Error ...
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LT1308A/LT1308B ELECTRICAL CHARACTERISTICS range, otherwise specifications are T = 25°C. Industrial Grade – 40°C to 85° SYMBOL PARAMETER f Switching Frequency OSC Maximum Duty Cycle Switch Current Limit Switch V CESAT Burst Mode Operation Switch Current Limit (LT1308A) ...
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W U TYPICAL PERFORMANCE CHARACTERISTICS LT1308B 12V Output Efficiency 3. 100 1000 LOAD CURRENT (mA) 1308A/B G04 SHDN Pin Bias Current vs ...
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LT1308A/LT1308B PIN FUNCTIONS (SO/TSSOP) V (Pin 1/Pin 1): Compensation Pin for Error Amplifier. C Connect a series RC from this pin to ground. Typical values are 47kΩ and 100pF. Minimize trace area (Pin 2/Pin ...
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W BLOCK DIAGRA 40k V OUT R1 (EXTERNAL (EXTERNAL) Figure 2a. LT1308A/LT1308B Block Diagram (SO-8 Package 40k 40k V OUT R1 (EXTERNAL) ...
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LT1308A/LT1308B U U APPLICATIONS INFORMATION OPERATION The LT1308A combines a current mode, fixed frequency PWM architecture with Burst Mode micropower operation to maintain high efficiency at light loads. Operation can be best understood by referring to the block diagram in ...
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U U APPLICATIONS INFORMATION Waveforms for a LT1308B 5V to 12V boost converter using a 10μF ceramic output capacitor are pictured in Figures 4 and 5. In Figure 4, the converter is operating in continuous mode, delivering a load current ...
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LT1308A/LT1308B U U APPLICATIONS INFORMATION LBI LBO GROUND PLANE SHUTDOWN 3 12 LT1308A 4 11 LT1308B 10 5 MULTIPLE VIAs GND V OUT Figure 7. Recommended Component ...
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U U APPLICATIONS INFORMATION SHDN PIN The LT1308A/LT1308B SHDN pin is improved over the LT1308. The pin does not require tying to V device, but needs only a logic level signal. The voltage on the SHDN pin can vary from ...
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LT1308A/LT1308B U U APPLICATIONS INFORMATION V OUT 1V/DIV I L1 2A/DIV V SHDN 5V/DIV 500μs/DIV Figure 14. 5V Boost Converter of Figure 1. Start-Up from 3V Input into 5Ω Load V OUT 2V/DIV I SW 2A/DIV V SHDN 5V/DIV 500μs/DIV ...
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U U APPLICATIONS INFORMATION 12V V OUT 5V/DIV 1A/DIV V SHDN 10V/DIV 50μs/DIV Figure 17. Start-Up Waveforms of Figure 16’s Circuit without Soft-Start Components 12V V OUT 1A/DIV V SHDN 10V/DIV 5ms/DIV Figure 18. ...
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LT1308A/LT1308B U U APPLICATIONS INFORMATION Ceramic Capacitors Multilayer ceramic capacitors have become popular, due to their small size, low cost, and near-zero ESR. Ceramic capacitors can be used successfully in LT1308A/LT1308B designs provided loop stability is considered. A tantalum capacitor ...
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U U APPLICATIONS INFORMATION V OUT 500mV/DIV I L1 1A/DIV 500mA LOAD CURRENT 50mA 200μs/DIV Figure 23. Load Step Response with 10μF X5R Ceramic Output Capacitor and C GSM AND CDMA PHONES The LT1308A/LT1308B are suitable for converting a single ...
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LT1308A/LT1308B U TYPICAL APPLICATIO C1:TAIYO-YUDEN JMK212BJ475MG C2, C3:TAIYO-YUDEN LMK325BJ106MN C4, C5, C6:TAIYO-YUDEN EMK212BJ105MG D1: MBRM120 D2,D3,D4: BAT54S L1: TOKO 817FY-4R7M 500mV/DIV 500mV/DIV 500mV/DIV I LOAD 16 Triple Output TFTLCD Bias Supply D2 C4 1μF 0.22μF 0.22μF ...
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U TYPICAL APPLICATIO S 3.3V REGULATED Q1 150k 3.3k C1: AVX TAJC476M010 C2: VITRAMON VJ225Y105KXCAT D1: BAT54 D2, D3: BAV21 High Voltage Supply 350V at 1.2mA 10nF 250V ...
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LT1308A/LT1308B PACKAGE DESCRIPTION .050 BSC .245 MIN .030 ±.005 TYP RECOMMENDED SOLDER PAD LAYOUT .010 – .020 (0.254 – 0.508) .008 – .010 (0.203 – 0.254) NOTE: 1. DIMENSIONS IN 2. DRAWING NOT TO SCALE 3. THESE DIMENSIONS DO NOT ...
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... FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... R2 100k 1308A/B TA01 Q , Operate with V as Low as 1. 250mA Inudctors 50mA from 3V Input Q , 36V, 350mA Switch Q to –34V OUT Output Noise RMS as Low as 1. 0807 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1999 1308abfa ...