TC1220ECHTR Microchip Technology, TC1220ECHTR Datasheet
TC1220ECHTR
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TC1220ECHTR Summary of contents
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... C – V OUT IN NOTE: 6-Pin SOT-23A is equivalent to the EIAJ SC-74 2002 Microchip Technology Inc. TC1219/TC1220 General Description The TC1219/TC1220 are CMOS “charge-pump” voltage converters in ultra-small 6-Pin SOT-23A packages. They invert and/or double an input voltage which can range from +2.5V to +5.5V. Conversion efficiency is typically > ...
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... TC1219/TC1220 = 25°C A Test Conditions SHDN = GND (Note Ω R LOAD = 1k Ω R LOAD = ∞ R LOAD MIN V = > MAX MIN MAX MIN MAX = 1k Ω R LOAD = ∞ R LOAD I = 0.5mA to 25mA (Note 1) LOAD 2002 Microchip Technology Inc. ...
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... TABLE 2-1: PIN FUNCTION TABLE Pin No. Symbol (6-Pin SOT-23A) 1 OUT Inverting charge pump output Positive power supply input. IN – Commutation capacitor negative terminal. 4 GND Ground. 5 SHDN Shutdown input (active low Commutation capacitor positive terminal. 2002 Microchip Technology Inc. TC1219/TC1220 Description DS21366B-page 3 ...
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... C2. During the IN second phase, S2 and S4 are closed, and S1 and S3 are opened. This action connects C1 across C2, restoring charge to C2. DS21366B-page 4 FIGURE 3-1: IDEAL SWITCHED CAPACITOR CHARGE PUMP TC1219/1220 OSC Phase 1 2002 Microchip Technology Inc – OUT IN ...
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... Figure 4-2). The value of R can be approximated at 0.5Ω for the SWITCH TC1219/TC1220. 2002 Microchip Technology Inc. The remaining losses in the circuit are due to factor (4) above, and are shown in Equation 4-2. The output voltage ripple is given by Equation 4-3. EQUATION 4-2: ...
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... RIPPLE 3 C1 – 5 145 SHDN 45 16 Device 7 TC1219 TC1220 device The to avoid significant current IN plus any voltage drops due to loading. VOLTAGE INVERTER TEST CIRCUIT OUT GND 10µF 10µF 10µF 3.3µF 3.3µF 3.3µF 2002 Microchip Technology Inc. ...
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... PARALLELING MULTIPLE DEVICES TO REDUCE OUTPUT RESISTANCE Shutdown Control 2002 Microchip Technology Inc. TC1219/TC1220 4.8 Paralleling Devices To reduce the value of R TC1220’s can be connected in parallel (Figure 4-5). ) but will droop The output resistance will be reduced by a factor of N where N is the number of TC1219/TC1220. Each ...
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... Mount components as close together as possible to minimize stray inductance and capacitance. Noise leakage into other circuitry can be minimized with the use of a large ground plane D1 1N4148 2 TC1219 TC1220 OUT OUT + (V C3 FD1 + (2V ) – – FD2 2002 Microchip Technology Inc. ...
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... CAPACITANCE (µF) Supply Current vs. Supply Voltage 150 140 130 120 110 TC1220 100 TC1219 4.5 3.5 2.5 SUPPLY VOLTAGE (V) 2002 Microchip Technology Inc. = 25°C unless otherwise noted. A TC1219 Output Resistance vs. Temperature 3. 5. -40 - TEMPERATURE ( ° C) TC1220 Output Voltage Ripple vs. Capacitance 500 ...
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... TC1219/TC1220 TYPICAL CHARACTERISTICS (CONTINUED) Output Voltage vs. Output Current 0.5 -0.5 -1 3.3V IN -2.5 -3 5.0V IN -4.5 -5 OUTPUT CURRENT (mA) DS21366B-page 10 Efficiency vs. Output Current 110 100 CURRENT (mA) 2002 Microchip Technology Inc. ...
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... Device Marking PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) 6-Pin SOT-23A 2002 Microchip Technology Inc. TC1219/TC1220 User Direction of Feed Standard Reel Component Orientation For TR Suffix Device (Mark Right Side Up) Pitch (P) Part Per Full Reel ...
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... DS21366B-page 12 .075 (1.90) REF. .069 (1.75) .059 (1.50) .037 (0.95) REF. .118 (3.00) .110 (2.80) 10° MAX. .024 (0.60) .004 (0.10) Dimensions: inches (mm) .008 (0.20) .004 (0.09) 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. TC1219/TC1220 DS21366B-page13 ...
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... TC1219/TC1220 NOTES: DS21366B-page14 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 ...