TLE 4678EL Infineon Technologies, TLE 4678EL Datasheet
TLE 4678EL
Specifications of TLE 4678EL
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TLE 4678EL Summary of contents
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Low Drop Out Linear Voltage Regulator 5 V Fixed Output Voltage 1 Overview Features • Output Voltage • Current Capability 200 mA • Ultra Low Current Consumption • Very Low Dropout Voltage • Watchdog Circuit for Monitoring ...
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Block Diagram For details on the circuit blocks see the respective section in this datasheet. Supply I Protection Bandgap Circuits Reference GND Figure 1 Block Diagram and Simplified Application Circuit Datasheet TLE 4678 Reset and WI ...
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Pin Configuration 3.1 Pin Assignment PG-DSO-14 Figure 2 Pin Assignment PG-DSO-14 Package 3.2 Pin Definitions and Functions PG-DSO-14 Pin Symbol Function 1 WO Watchdog Output Open collector output with an internal pull-up resistor to the output Q. An additional ...
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Pin Symbol Function 8 WI Watchdog Input Positive edge triggered input, usable for microcontroller monitoring. Connect to GND if the watchdog function is not needed Regulator Output Block to GND with a capacitor close to the ...
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Pin Definitions and Functions PG-SSOP-14 Pin Symbol Function 1 WO Watchdog Output Open collector output with an internal pull-up resistor to the output Q. An additional external pull-up resistor to the output Q is optional. Leave open if the ...
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General Product Characteristics 4.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings +150 C; all voltages with respect to ground, positive current flowing into pin j (unless otherwise specified) Pos. Parameter Voltage Rating 4.1.1 Regulator ...
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Functional Range Pos. Parameter 4.2.1 Input Voltage Range for Normal Operation 4.2.2 Extended Input Voltage Range 4.2.3 Input Voltage Transient Immunity 4.2.4 Junction Temperature 4.2.5 Output Capacitor Requirements 4.2.6 1) For specification of the output voltage V 2) The ...
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Thermal Resistance Note: This thermal data was generated in accordance with JEDEC JESD51 standards. For more information www.jedec.org. Pos. Parameter TLE4678GM (PG-DSO-14) 4.3.1 Junction – Soldering Point 4.3.2 Junction – Ambient 4.3.3 4.3.4 4.3.5 TLE4678EL (PG-SSOP-14) 4.3.6 ...
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Voltage Regulator 5.1 Description Voltage Regulator V The output voltage is controlled by comparing a portion internal reference and driving a PNP pass Q transistor accordingly. Saturation control as a function of the load current ...
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Electrical Characteristics Voltage Regulator Electrical Characteristics: Voltage Regulator 13 - +150 all voltages with respect to ground, direction of currents as shown in Pos. Parameter 5.2.1 Output Voltage 5.2.2 ...
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Typical Performance Characteristics Voltage Regulator V Output Voltage vs Junction Temperature j V [V] Q 5.02 5.00 4.98 4.96 -40 - Output Current Limitation Q,max V vs. Input Voltage I I Q,ma ...
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V Dropout Voltage vs Output Current Q V [mV] dr 200 T = 125 °C 100 ° 0 Reverse Output Current vs Output Voltage [mA] ...
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Current Consumption 6.1 Electrical Characteristics Current Consumption Electrical Characteristics: Current Consumption 13 - +150 all voltages with respect to ground, direction of currents as shown in Pos. Parameter 6.1.1 ...
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Typical Performance Characteristics Current Consumption I Current Consumption vs Junction Temperature j I [mA Watchdog activated 150 0.1 0.01 ...
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Reset Function 7.1 Description Reset Function The reset function provides several features: Output Undervoltage Reset: An output undervoltage condition is indicated by setting the Reset Output “RO” to “low”. This signal might be used to reset a microcontroller during ...
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Reset Reaction Time In case the output voltage of the regulator drops below the output undervoltage lower reset threshold C delay capacitor is discharged rapidly. Once the delay capacitor’s voltage has reached the lower delay switching D V threshold , ...
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Supply I Control GND Figure 7 Block Diagram Reset Circuit RT,hi V RT RO,low Thermal Shutdown Figure 8 Timing ...
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Electrical Characteristics Reset Function Electrical Characteristics: Reset Function 13 - +150 all voltages with respect to ground, direction of currents as shown in Pos. Parameter Output Undervoltage Reset Comparator ...
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Electrical Characteristics: Reset Function (cont’ +150 all voltages with respect to ground, direction of currents as shown in Pos. Parameter 7.2.15 Power-on Reset Delay Time 7.2.16 Internal Reset ...
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Watchdog Function 8.1 Description The TLE4678 features a load dependent watchdog function with a programmable activating threshold as well as a programmable watchdog timing. The watchdog function monitors a microcontroller, including time base failures. In case of a missing ...
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Supply I Control WADJ R WADJ ,ext R WADJ ,int (optional) WI Edge Detect GND Figure 9 Block Diagram Watchdog Circuit Figure 10 Watchdog Output “WO” The watchdog output “WO” open collector output with an integrated pull-up resistor. ...
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Watchdog Timing Positive edges at the watchdog input pin “WI” are expected within the watchdog trigger time frame a low signal at pin “WO” is generated watchdog low signal at pin “WO” is generated, it remains low for ...
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Electrical Characteristics Watchdog Function Electrical Characteristics Watchdog Function 13 - +150 all voltages with respect to ground, direction of currents as shown in Pos. Parameter Default Watchdog Activating Threshold ...
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Electrical Characteristics Watchdog Function 13 - +150 all voltages with respect to ground, direction of currents as shown in Pos. Parameter Watchdog Output WO 8.2.15 Watchdog Output Low Voltage 8.2.16 ...
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Typical Performance Characteristics Standard Watchdog Function Watchdog Activating Threshold R vs. External Resistor WADJ,ext 24 I Q,WDact,th [mA] 16 typ max 100 t Watchdog Trigger Time vs. WI,tr C Delay ...
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Package Outlines 1.27 +0.10 2) 0.41 -0. 8.75 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area Figure 13 Outline PG-DSO-14 ...
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4.9 ±0.1 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Does not include dambar protrusion Figure 14 Outline PG-SSOP-14 Green Product ...
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Revision History Revision Date Changes 1.1 2009-08-27 Final datasheet version for both package variants. Modified the description for better understanding. “Reset Function” on Page 1.01 2008-08-19 Added target definition for PG-SSOP-14 package. Modifications: Overview page, thermal resistance table, pin ...
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