TC120503EHATR Microchip Technology, TC120503EHATR Datasheet
TC120503EHATR
Specifications of TC120503EHATR
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TC120503EHATR Summary of contents
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... SOP -40°C to +85°C TC120303EHA 3.0 8-Pin SOP -40°C to +85°C Functional Block Diagram 2002 Microchip Technology Inc. © Package Type EXTW CPC SHDN/SS General Description TC120 is a 300kHz PFM/PWM step-down (Buck) DC/ DC regulator/controller combination for use in systems operating from two or more cells line-powered applications ...
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... OUT = 5. – 0.4V); OUT EXT1 EXT2 (Note 2) OUT IN = 3.0V SHDN = V ; EXT1 and EXT2 OUT IH = 3.3V pulled up through a series OUT = 5.0V resistance of 200Ω voltage OUT such that VEXT1 0. 0.3V, IN OUT = 20mA (Note 3) OUT > 1 2002 Microchip Technology Inc. © ...
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... Short Circuit Protection PRO Response Time t Soft Start Time SS Note the factory-programmed output voltage setting external components connected, except C 3: While operating in PWM Mode. 2002 Microchip Technology Inc. © = 25° 1.2, Note 1 unless otherwise noted Min Typ Max Units 0.9 — 1.8 ...
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... Lx Inductor terminal. This pin is connected to the drain of the internal P-channel switching transistor. If the TC120 is operated as a regulator (i.e., using the internal switch); the inductor must be connected between this pin and the SENSE pin. DS21365B-page 4 Description 2002 Microchip Technology Inc. © ...
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... TC120. For highest efficiency, use inductors with a low DC resistance (less than 20mΩ). To minimize radiated noise, consider using a toroid, pot core or shielded-bobbin inductor. 2002 Microchip Technology Inc. © 3.2 Input Bypass Capacitor Using an input bypass capacitor reduces peak current transients drawn from the input supply, and reduces the switching noise generated by the regulator ...
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... TC120 as possible. The IN length of the EXT trace must also be kept as short as possible. when high and 26Ω 5V designed to OUT . The total gate charge specification IN MAX of 0.07Ω at 2A, with lead lengths should be 2002 Microchip Technology Inc. © = ...
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... TC120 WITH ADDED COMPONENTS FOR IMPROVED EFFICIENCY AT HIGH OUTPUT CURRENTS ≤ 2200 pF Ceramic EXTW TC120XX03 CPC D 1 IN5817 SHDN/SS ≤ For V IN 2002 Microchip Technology Inc. © Capacitors Diodes ON Semiconductor MBRS340T3 Nihon NSQ Series Matsushita MA737 IRC OAR Series V > 2200 pF Ceramic ...
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... Shutdown Not Used – with Pull-Up FIGURE 3-4: SOFT START TIMING Shutdown Signal SHDN/SS DS21365B-page 8 TC120XX03 V IN SHDN SHDN/SS ON OFF b) Using a Complementary Output Device C 4.7nF d) Shutdown Not Used – No Pull-Up ON OFF 0.65V X 0V 1.5msec TC120XX03 CMOS Gate R 1 SHDN/ TC120XX03 SHDN/SS SS 2002 Microchip Technology Inc. © ...
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... FIGURE 3-5: USING EXTERNAL TRANSISTOR SWITCH V IN EXTW CPC SHDN/ 4.7 nF FIGURE 3-6: EXTERNAL (EXT) AND EXTENDED EXTERNAL (EXTW) SWITCHING TRANSISTOR DRIVE OUTPUT EXT EXTW 100nsec 2002 Microchip Technology Inc. © EXT TC120XX03 GND SENSE TC120 C IN 47µF Tantalum L1 22µH ...
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... Standard Reel Component Orientation for TR Suffix Device Carrier Width (W) Pitch (P) Part Per Full Reel 1000 .256 (6.50) .232 (5.90) .069 (1.75) .055 (1.40) 8° MAX. .018 (0.45) .014 (0.35) W Reel Size 7 in .010 (0.25) .004 (0.10) Dimensions: inches (mm) 2002 Microchip Technology Inc. © ...
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... The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. TC120 DS21365B-page11 ...
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... TC120 NOTES: DS21365B-page12 2002 Microchip Technology Inc. ...
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... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...
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... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...