LTC1701ES5#TR Linear Technology, LTC1701ES5#TR Datasheet
LTC1701ES5#TR
Specifications of LTC1701ES5#TR
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LTC1701ES5#TR Summary of contents
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... Their small size and switching frequency enables a complete DC/DC converter function to consume less than 0.3 square inches of PC board area. , LTC and LT are registered trademarks of Linear Technology Corporation. Burst Mode and OPTI-LOOP are trademarks of Linear Technology Corporation. L1 4.7 H ...
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LTC1701/LTC1701B ABSOLUTE AXI U RATI GS (Note 1) (Voltages Referred to GND Pin) V Voltage (Pin 5).......................................– 0. /RUN Voltage (Pin 4) ..............................– 0. Voltage (Pin 3) ......................................– 0.3V ...
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W U TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current 100 V = 2.5V OUT LTC1701 LTC1701B 100 1000 LOAD CURRENT (mA) 1701 • G01 ...
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LTC1701/LTC1701B CTIO S SW (Pin 1): The Switch Node Connection to the Inductor. This pin swings from Schottky diode (external) IN voltage drop below ground. The cathode of the Schottky diode must ...
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U OPERATIO The LTC1701 uses a contant off-time, current mode archi- tecture. The operating frequency is then determined by the off-time and the difference between V The output voltage is set by an external divider returned to the V pin. ...
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LTC1701/LTC1701B U U APPLICATIO S I FOR ATIO Accepting larger values of I allows the use of low L inductances, but results in higher output voltage ripple and greater core losses. A reasonable starting point for setting ripple current is ...
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U U APPLICATIO S I FOR ATIO Input Capacitor (C ) Selection IN In continuous mode, the input current of the converter is a square wave with a duty cycle of approximately prevent large voltage transients, ...
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LTC1701/LTC1701B U U APPLICATIO S I FOR ATIO Figure 2. The output voltage is set by a resistive divider according to the following formula 1.25V(1 + R2/R1) OUT To prevent stray pickup, a capacitor of about 5pF can ...
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U U APPLICATIO S I FOR ATIO During normal operation the voltage on the I will vary from 1.25V to 2.25V depending on the load current. Pulling the I /RUN pin below 0.8V puts the TH LTC1701 into a low ...
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LTC1701/LTC1701B U U APPLICATIO S I FOR ATIO The following table lists thermal resistance for several different board sizes and copper areas. All measurements were taken in still air on 3/32" FR-4 board with one ounce copper. Table 1. Measured ...
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... C2: AVX TAJA226M006R C4, C5: TAIYO YUDEN LMK212BJ105MG 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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... Up to 500mA IN OUT SO-8, 2.95V V 10V, V Output IN REF 8-Pin MSOP and SO Packages Q 550kHz, 6-Pin SOT-23 5A, 2.2V < V OUT 2.65 V 10V, MSOP Package 600mA Q IN 95% Efficiency MSOP Package 600mA Q 1701Bfa LT/TP 1100 REV A 2K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1999 < 10V IN ...