MCP1790T-3302E/EB Microchip Technology, MCP1790T-3302E/EB Datasheet
MCP1790T-3302E/EB
Specifications of MCP1790T-3302E/EB
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MCP1790T-3302E/EB Summary of contents
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... Automotive Electronics • Automotive Accessory Power Adapters • Electronic Thermostat Controls • Microcontroller power © 2008 Microchip Technology Inc. General Description The MCP1790/MCP1791 regulator provides current. The input operating voltage range is specified from 6.0V to 30V continuous, 48V absolute max, making it ideal for automotive and commercial 12/24 VDC systems ...
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... MCP1790/MCP1791 Package Types MCP1790 DDPAK-3 SOT-223 Pin GND (TAB OUT 4 GND (TAB) DS22075A-page 2 DDPAK MCP1791 SOT-223 Pin 1 SHDN GND (TAB OUT 5 PWRGD 6 GND (TAB) © 2008 Microchip Technology Inc. ...
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... TYPICAL APPLICATION On SHDN Off 30V 4.7 µ 8.0V to 16V IN 5Ω © 2008 Microchip Technology Inc. MCP1790/MCP1791 MCP1791 R 100 kΩ OUT GND MCP1790 OUT C 1 1.0 µF GND PWRGD 5. OUT µF Tantalum OUT C 2 1.0 µF Tantalum DS22075A-page 3 ...
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... SHDN = GND µ %/V 6.0V < V < 30V OUT (Note 3) < 0.1 Ω LOAD Peak Current V 6.0V < V < 30V IN ppm/°C Note 9 V Rising OUT(MAX) DROPOUT(MAX). ). Exceeding the maximum allowable power . = highest voltage measured over the tem- © 2008 Microchip Technology Inc. ...
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... Short Circuit Recovery Time will depend upon the thermal dissipation properties of the package and circuit board. 9: TCV = ( OUT OUT-HIGH OUT-LOW peraturerange lowest voltage measured over the temperature range. OUT-LOW © 2008 Microchip Technology Inc. MCP1790/MCP1791 = OUT(MAX) DROPOUT(MAX), = +25°C, SHDN > 2.4V. A (Note 5) of -40°C to +125°C. J ...
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... mA kHz OUT 7.0V µ mA, OUT V = 400 mVpp INAC f = 100 kHz 5. kHz < 5.0V R °C Rising Temperature °C Falling Temperature (Note 8) ms ≥ OUT(MAX) DROPOUT(MAX). ). Exceeding the maximum allowable power . = highest voltage measured over the tem- © 2008 Microchip Technology Inc. ...
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... Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Package Thermal Resistances Thermal Resistance, 3LD DDPAK Thermal Resistance, 3LD SOT-223 Thermal Resistance, 5LD DDPAK Thermal Resistance, 5LD SOT-223 © 2008 Microchip Technology Inc. MCP1790/MCP1791 Symbol Min Typ Max T -40 +125 ...
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... OUT V = 3.3V OUT V = 5.0V OUT - 105 130 Junction Temperature (°C) Quiescent Current vs 3.3V OUT V = 3.0V OUT V = 5.0V OUT Load Current (mA) Ground Current vs. Load V = 3.0V REG SHDN = 10V, 30V - 105 130 Temperature (° Temperature. SHDN © 2008 Microchip Technology Inc. ...
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... V =3.3V REG -0.20 V =3.0V REG -0.25 -0.30 -45 - Temperature (°C) FIGURE 2-9: Load Regulation vs. Temperature. © 2008 Microchip Technology Inc. MCP1790/MCP1791 = 10.0 µF Ceramic (X7R and device is MCP1790. SHDN IN, 5.04 = 3.3V 5. 30V 5.02 5.01 5.00 4.99 4.98 4.97 4.96 -45°C -45° ...
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... OUT 100 1000 FIGURE 2-17: (MCP1791). 100 1000 FIGURE 2-18: (MCP1791 mA, Temperature = +25°C, OUT =5.0V R =7. 400 mV p-p INAC =0 μF IN = 100 1000 Frequency (kHz) Power Supply Ripple Startup from V IN Startup from Shutdown © 2008 Microchip Technology Inc. ...
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... Ceramic (X7R), C OUT V = 6.0V kΩ PWRGD_PULLUP OUT FIGURE 2-19: Dynamic Line Response. FIGURE 2-20: Dynamic Line Response. FIGURE 2-21: Dynamic Load Response. © 2008 Microchip Technology Inc. MCP1790/MCP1791 = 10.0 µF Ceramic (X7R and device is MCP1790. SHDN IN, FIGURE 2-22: 5.0 4.5 4.0 3.5 3 ...
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... Note: Unless otherwise indicated 4.7 uF Ceramic (X7R), C OUT V = 6.0V kΩ PWRGD_PULLUP OUT 3.3V OUT Input Voltage (V) FIGURE 2-25: Startup Ground Current. DS22075A-page 12 = 10.0 µF Ceramic (X7R and device is MCP1790. SHDN IN OUT V = 5.0V OUT mA, Temperature = +25°C, OUT © 2008 Microchip Technology Inc. ...
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... The MCP1790 is stable with ceramic, tantalum, and electrolytic capacitors. See Section 4.7 “Output Capacitor” for output capacitor selection guidance. © 2008 Microchip Technology Inc. MCP1790/MCP1791 Table 3-1 and Table 3-2. ...
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... REVERSE BATTERY PROTECTION temperature An external reverse battery blocking diode may be used to provide polarity protection. Soft Start - Error Amplifier en + Short Circuit Protection en VIN Monitoring VOUT VIN T1 T2 Temp Sensor VOUT 510k 490k PWRGD Delay GND © 2008 Microchip Technology Inc. ...
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... OUT C = 1.0 µF LOAD FIGURE 4-2: Shutdown Input Timing Diagram. © 2008 Microchip Technology Inc. MCP1790/MCP1791 4.6 Low Voltage Shutdown The MCP1790/MCP1791 incorporates a Low Voltage Shutdown circuit that turns off the output of the regula- tor whenever the input voltage, V specified turn off voltage, V ...
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... Tantalum or Electrolytic cap. Stable Tantalum, Electrolytic and Ceramic cap. Instable 1 10 Load Capacitor [uF] is lower than 3.5V, I REG OUT REG is near 0 volts. REG is lower than 2.5V, I REG OUT REG is near 0 volts. REG with 1000 100 © 2008 Microchip Technology Inc. ...
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... Therefore, when pulling PWRGD to VIN instead the designer must be OUT aware of the PWRGD signal going high while the input voltage is rising at startup. Pulling PWRGD to V removes the startup pulse. © 2008 Microchip Technology Inc. MCP1790/MCP1791 V PWRGD_TH V OUT ) level ...
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... Thermal resistance from junction to ambient. × Rθ MAX JA = Rise in device junction temperature over the ambient temperature. = Maximum device power dissipation. = Thermal resistance from junction-to-ambient RISE A = Junction Temperature. = Rise in device junction temperature over the ambient temperature. = Ambient temperature. © 2008 Microchip Technology Inc. ...
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... C/Watt ° JRISE T = 59.2 C ° JRISE © 2008 Microchip Technology Inc. MCP1790/MCP1791 5.3.1.2 Junction Temperature Estimate To estimate the internal junction temperature, the calculated temperature rise is added to the ambient or offset temperature. For this example, the worst-case junction temperature is estimated below. T ...
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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. DS22075A-page 20 Example: MCP1790 e 50EEB^^ 3 0730256 Example: 179050 EDB0730 256 © 2008 Microchip Technology Inc. ...
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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2008 Microchip Technology Inc. MCP1790/MCP1791 Example: MCP1791 e ...
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... MCP1790/MCP1791 TOP VIEW DS22075A-page BOTTOM VIEW φ CHAMFER OPTIONAL C2 © 2008 Microchip Technology Inc. ...
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... © 2008 Microchip Technology Inc. MCP1790/MCP1791 φ DS22075A-page 23 ...
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... MCP1790/MCP1791 DS22075A-page 24 © 2008 Microchip Technology Inc. ...
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... TOP VIEW A A1 © 2008 Microchip Technology Inc. MCP1790/MCP1791 BOTTOM VIEW φ CHAMFER OPTIONAL C2 DS22075A-page 25 ...
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... MCP1790/MCP1791 DS22075A-page φ © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP1790/MCP1791 DS22075A-page 27 ...
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... MCP1790/MCP1791 NOTES: DS22075A-page 28 © 2008 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision A (March 2008) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP1790/MCP1791 DS22075A-page 29 ...
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... MCP1790/MCP1791 NOTES: DS22075A-page 30 © 2008 Microchip Technology Inc. ...
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... PART NO Device Output Feature Tolerance Voltage Code Device: MCP1790 High Voltage Regulator MCP1790T High Voltage Regulator Tape and Reel MCP1791 High Voltage Regulator MCP1791T High Voltage Regulator Tape and Reel Output Voltage *: 30 = 3.0V “Standard” 3.3V “Standard” 5.0V “Standard” ...
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... MCP1790/MCP1791 NOTES: DS22075A-page 32 © 2008 Microchip Technology Inc. ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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