LT1936EMS8E#TRPBF Linear Technology, LT1936EMS8E#TRPBF Datasheet
LT1936EMS8E#TRPBF
Specifications of LT1936EMS8E#TRPBF
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LT1936EMS8E#TRPBF Summary of contents
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... The low current (<2μA) shutdown mode enables easy power management in battery-powered systems. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 0.22μF 10μH ...
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... LT1936E, LT1936I ............................................. 125°C LT1936H ........................................................... 150°C Storage Temperature Range ................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT1936EMS8E#PBF LT1936EMS8E#TRPBF LT1936IMS8E#PBF LT1936IMS8E#TRPBF LT1936HMS8E#PBF LT1936HMS8E#TRPBF LEAD BASED FINISH TAPE AND REEL LT1936EMS8E ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are Clamp C V Switch Threshold C Internal Compensation R Internal Compensation C COMP Pin Leakage Switching Frequency Maximum Duty Cycle Switch Current Limit Switch V CESAT Switch Leakage Current ...
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LT1936 TYPICAL PERFORMANCE CHARACTERISTICS Maximum Load Current 1 OUT 1 15μH 1 10μH 1.2 1 INPUT VOLTAGE (V) 1936 G04 Feedback Voltage 1.210 1.205 1.200 1.195 1.190 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Minimum Input Voltage 7 OUT T = 25° 15μH 6.0 5.5 5.0 4.5 4 100 1000 LOAD CURRENT (mA) 1936 G13 Switching Waveforms V SW 10V/DIV I L ...
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LT1936 PIN FUNCTIONS BOOST (Pin 1): The BOOST pin is used to provide a drive voltage, higher than the input voltage, to the internal bipolar NPN power switch. V (Pin 2): The V pin supplies current to the LT1936’s IN ...
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OPERATION (Refer to Block Diagram) The LT1936 is a constant frequency, current mode step- down regulator. A 500kHz oscillator enables an RS fl ip-fl op, turning on the internal 1.9A power switch Q1. An ampli- fi er and comparator monitor ...
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LT1936 APPLICATIONS INFORMATION FB Resistor Network The output voltage is programmed with a resistor divider between the output and the FB pin. Choose the 1% resis- tors according to: V OUT R1=R2 – 1 1.200 R2 should be 20k or ...
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... For details of maximum output current and discontinuous mode operation, see Linear Technology Application Note 44. Finally, for duty cycles greater than 50% (V > 0.5), there is a minimum inductance required to avoid subharmonic oscillations ...
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LT1936 APPLICATIONS INFORMATION Table 2. Capacitor Vendors VENDOR PHONE Panasonic (714) 373-7366 Kemet (864) 963-6300 Sanyo (408) 749-9714 Murata (404) 436-1300 AVX Taiyo Yuden (864) 963-6300 This is the minimum output capacitance required, not the nominal capacitor value. For example, ...
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APPLICATIONS INFORMATION complicated and the best values depend on the application and in particular the type of output capacitor. A practical approach is to start with one of the circuits in this data sheet that is similar to your application ...
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LT1936 APPLICATIONS INFORMATION BOOST Pin Considerations Capacitor C3 and diode D2 are used to generate a boost voltage that is higher than the input voltage. In most cases a 0.22μF capacitor and fast switching diode (such as the 1N4148 or ...
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APPLICATIONS INFORMATION Minimum Input Voltage V 6 3.3V OUT T = 25° 10μH 5.5 TO START 5.0 4.5 4.0 TO RUN 3.5 3 100 LOAD CURRENT (mA) Figure 4. The Minimum Input Voltage ...
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LT1936 APPLICATIONS INFORMATION the SHDN pin, the SW pin current will drop to essentially zero. However, if the V pin is grounded while the output IN is held high, then parasitic diodes inside the LT1936 can pull large currents from ...
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... LT1936 circuits. However, these capaci- tors can cause problems if the LT1936 is plugged into a live supply (see Linear Technology Application Note 88 for a complete discussion). The low loss ceramic capacitor combined with stray inductance in series with the power ...
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... TYPICAL APPLICATIONS 4.5V TO 36V ON OFF 16 Other Linear Technology Publications Application Notes 19, 35 and 44 contain more detailed descriptions and design information for buck regulators and other switching regulators. The LT1376 data sheet has a more extensive discussion of output ripple, loop compensation and stability testing ...
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TYPICAL APPLICATIONS 6.3V TO 36V ON OFF 1.8V Step-Down Converter 3.6V TO 20V V BOOST 0.22μF IN SHDN SW ON OFF C1 LT1936 4.7μF COMP FB V GND C D1: DFLS140L D2: 1N4148 L1: TOKO D63CB 1.2V ...
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LT1936 TYPICAL APPLICATIONS 3.6V TO 36V ON OFF Effi ciency, 2.5V Output 100 V = 2.5V OUT T = 25° 12V 0.5 1.0 LOAD CURRENT (A) 14.5V ...
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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Synchronous Step-Down DC/DC Converter OUT LT3430/LT3431 60V, 2.75A (I ), 200kHz/500kHz, High Effi ciency OUT Step-Down DC/DC Converters Burst Mode is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. Linear Technology Corporation 20 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...