TC7660EOA Microchip Technology, TC7660EOA Datasheet
TC7660EOA
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TC7660EOA Summary of contents
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... RC OSC Oscillator 6 LV Internal Internal Voltage Voltage Regulator Regulator TC7660 2002 Microchip Technology Inc. Package Types PDIP/CERDIP/SOIC = 5V IN CAP GND CAP General Description The TC7660 is a pin-compatible replacement for the industry standard converter. It converts a +1.5V to +10V input to a corresponding -1.5V to -10V output using only two low ...
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... L V OUT µF TC7660 Test Circuit 5V, Conditions T Max Open Max GND A L =20 mA +25°C A =20 mA, T +70°C (C Device) A =20 mA, T +85°C (E and I Device) A =20 mA, T +125°C (M Device mA GND OUT T +70° mA GND OUT T +125°C (M Device) A 2002 Microchip Technology Inc. ...
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... SUPPLY VOLTAGE (V) FIGURE 2-2: Output Source Resistance vs. Supply Voltage. 10k +5V 1k 100 100 1000 OSCILLATOR CAPACITANCE (pF) FIGURE 2-3: Frequency of Oscillation vs. Oscillator Capacitance. 2002 Microchip Technology Inc µF, ESR = ESR = 100 FIGURE 2-4: Efficiency vs. Oscillator Frequency. 500 450 400 200 150 ...
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... FIGURE 2-9: Output Voltage vs. Load Current. DS21465B-page µF, ESR = ESR = FIGURE 2-10: Current. 100 9.0 0 FIGURE 2-11: Conversion Efficiency vs. Load Current 25°C. See Figure 1- +5V SLOPE LOAD CURRENT (mA) Output Voltage vs. Load 100 + LOAD CURRENT (mA) Supply Current and Power 2002 Microchip Technology Inc. ...
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... During the second half of the switching cycle, charge is restored to the charge pump output capacitor recommended that a low ESR (equivalent series resistance) capacitor be used. Additionally, larger values will lower the output ripple. 2002 Microchip Technology Inc. Description + ) 3.5 Low Voltage Pin (LV) The low voltage pin ensures proper operation of the internal oscillator for input voltages below 3 ...
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... Capacitor Inverter. The power loss is calculated using the following equation function of EQUATION . A close ---------------------------- - + 8R + 4ESR + ESR OSC ---------- - = 2 on-resistance of the switches = equivalent series resistance equivalent series resistance when a voltage difference between the LOAD OUT ESR ESR Non-Ideal Switched OUT DD 2002 Microchip Technology Inc. ...
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... for 1.5V OUT FIGURE 5-3: Increased Output Voltage By Cascading Devices. 2002 Microchip Technology Inc. 5.2 Paralleling Devices To reduce the value of R converters can be connected in parallel (Figure 5-2). The output resistance will be reduced by approximately a factor of n, where n is the number of devices connected in parallel ...
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... F1 is closed, shift from GND The 1 is transferred to capacitor producing an output voltage – OUT Positive Voltage Multiplier. , plus the two diodes, perform the posi- and C are 1 2 and C are 3 4 2002 Microchip Technology Inc ...
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... D in Figure 5-7 would never turn on else the diode and resistor shown dotted in Figure 5-8 can be used to "force" the internal regulator on OUT TC7660 µ input FIGURE 5-8: Positive Voltage Conversion. 2002 Microchip Technology Inc. V OUT + = - OUT + ( forwards µF TC7660 DS21465B-page 9 ...
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... Standard marking consists of Microchip part number, year code, week code, traceability code (facility code, mask rev#, and assembly code). For marking beyond this, certain price adders apply. Please check with your Microchip Sales Office. DS21465B-page 10 Example: TC7660 CPA061 0221 Example: TC7660 MJA061 0221 Example: TC7660 COA0221 061 2002 Microchip Technology Inc. ...
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... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-001 Drawing No. C04-018 2002 Microchip Technology Inc ...
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... TC7660 8-Lead Ceramic Dual In-line – 300 mil (CERDIP) Packaging diagram not available at this time. DS21465B-page 12 2002 Microchip Technology Inc. ...
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... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-012 Drawing No. C04-057 2002 Microchip Technology Inc Units ...
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... TC7660 NOTES: DS21465B-page 14 2002 Microchip Technology Inc. ...
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... TC7660COA713:Tape and Reel, Commercial Temp., SOIC package. c) TC7660CPA: Commercial Temp., PDIP package. d) TC7660EOA: Extended Temp., SOIC package. e) TC7660EOA713: Tape and Reel, Extended Temp., SOIC package. f) TC7660EPA: Extended Temp., PDIP package. g) TC7660IJA: Industrial Temp., CERDIP package h) TC7660MJA: Military Temp., CERDIP package. ...
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... TC7660 NOTES: DS21465B-page 16 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 (Barbados) Inc., Taiwan Branch 11F-3, No ...